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平面面積を節約する","quote_start":0,"quote_end":51,"text_sha256":"f43783e95dc7f6e143c2cee121cb66915fdef84799c30d94d0448183642c0e6b","block_sha256":"f43783e95dc7f6e143c2cee121cb66915fdef84799c30d94d0448183642c0e6b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_04caab49-911d-4fa8-9f6d-3786d6161ca6/#blk_871fb386-0c8c-41ff-a3af-bafce722eab8"},{"id":"occ_7ec1e6f1b771f20e218c5a64","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_04caab49-911d-4fa8-9f6d-3786d6161ca6","work_id":"wrk_0d59b917-4500-410a-8f04-11e61ecb4938","block_id":"blk_882253b8-2421-4be8-9e9b-f0e0d76a40c6","section_id":"sec_d107929c-2cb9-413b-a790-0810656434c9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":41,"end":43,"exact":"帯域","quote":"さらに、演算器とSRAMを近づけても、アルゴリズムがそのデータを再利用しなければ、帯域の価値は小さい。","quote_start":0,"quote_end":51,"text_sha256":"cb3b785971cf4ff803df1f4d9cf75255e2b3bd93cab23bfc79470214d5c03daa","block_sha256":"cb3b785971cf4ff803df1f4d9cf75255e2b3bd93cab23bfc79470214d5c03daa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_04caab49-911d-4fa8-9f6d-3786d6161ca6/#blk_882253b8-2421-4be8-9e9b-f0e0d76a40c6"},{"id":"occ_838a131947364b7c62b967e8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_04caab49-911d-4fa8-9f6d-3786d6161ca6","work_id":"wrk_0d59b917-4500-410a-8f04-11e61ecb4938","block_id":"blk_9d9079dc-7edb-49b1-8708-800ba011128e","section_id":"sec_e4440f3d-44cc-4a28-9ef2-9d01310c6823","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":5,"end":7,"exact":"帯域","quote":"## 2．帯域密度の向上","quote_start":0,"quote_end":12,"text_sha256":"05e10564d63a99971c35a53150683ee34f6f5e01ff2fa1227f53bd461e64eba0","block_sha256":"05e10564d63a99971c35a53150683ee34f6f5e01ff2fa1227f53bd461e64eba0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_04caab49-911d-4fa8-9f6d-3786d6161ca6/#blk_9d9079dc-7edb-49b1-8708-800ba011128e"},{"id":"occ_376470e13bc5aa73b781c3d4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_04caab49-911d-4fa8-9f6d-3786d6161ca6","work_id":"wrk_0d59b917-4500-410a-8f04-11e61ecb4938","block_id":"blk_a191db6b-74fe-45c7-9d20-45ce182d740e","section_id":"sec_cf2d9471-8f4d-4441-adb9-bdfaf8e98b63","layer":"body","character_id":null,"count":2,"matched_aliases":["データ移動","帯域"],"evidence":{"text_basis":"markdown","start":12,"end":14,"exact":"帯域","quote":"- SRAMとMAC間の帯域を増やす\n- データ再利用を増やす\n- 外部HBMへのアクセスを減らす\n- データ移動電力を下げる","quote_start":0,"quote_end":63,"text_sha256":"3938751867a241cfedf959e9f1c4c6bda30aa9bcd06240afd3d3f9d526376fe2","block_sha256":"3938751867a241cfedf959e9f1c4c6bda30aa9bcd06240afd3d3f9d526376fe2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_04caab49-911d-4fa8-9f6d-3786d6161ca6/#blk_a191db6b-74fe-45c7-9d20-45ce182d740e"},{"id":"occ_b5cfdf8b5999a27c52e98e7c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_04caab49-911d-4fa8-9f6d-3786d6161ca6","work_id":"wrk_0d59b917-4500-410a-8f04-11e61ecb4938","block_id":"blk_c56181c6-0fd5-45d3-b162-58fd2c31565d","section_id":"sec_d603b7c4-00cd-4a14-9c58-1e909e9d40e0","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":46,"end":48,"exact":"帯域","quote":"```\nその機能を近づける価値は大きいか\n              ↓ Yes\n配線短縮で帯域・電力が大きく改善するか\n              ↓ Yes\n発熱と冷却は成立するか\n              ↓ Yes\n電源を供給できるか\n              ↓ Yes\n接合前後に","quote_start":0,"quote_end":148,"text_sha256":"c945be559939db27287fcbb333c9c0c264370354ebc7b217350cf6553b3df881","block_sha256":"c945be559939db27287fcbb333c9c0c264370354ebc7b217350cf6553b3df881","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_04caab49-911d-4fa8-9f6d-3786d6161ca6/#blk_c56181c6-0fd5-45d3-b162-58fd2c31565d"},{"id":"occ_5905b37ed9f0c001f0f6f67a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_04caab49-911d-4fa8-9f6d-3786d6161ca6","work_id":"wrk_0d59b917-4500-410a-8f04-11e61ecb4938","block_id":"blk_d71419c4-8c27-49d3-91ff-c4fac12ffdbb","section_id":"sec_c39d223a-e82b-4412-bddb-199ca8228dd3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":34,"end":36,"exact":"帯域","quote":"- 垂直接続の本数\n- ルーター配置\n- デッドロック回避\n- 層間帯域の偏り\n- 故障リンク\n- クロック境界","quote_start":0,"quote_end":56,"text_sha256":"089d05c224b448ab7eb4cdcc66af0e89243a846384c4844d33f48eeb3462b635","block_sha256":"089d05c224b448ab7eb4cdcc66af0e89243a846384c4844d33f48eeb3462b635","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_04caab49-911d-4fa8-9f6d-3786d6161ca6/#blk_d71419c4-8c27-49d3-91ff-c4fac12ffdbb"},{"id":"occ_b7d6c689f75474deadc6e35f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_04fea8da-0d16-4cd9-9283-c7162bc37ee5","section_id":"sec_796efa44-8e92-406e-ae57-76beaf5444f3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":33,"end":35,"exact":"帯域","quote":"- 短い配線\n- 細かな接続ピッチ\n- 多数の並列レーン\n- 高い帯域密度\n- 小さな信号振幅\n- 低いpJ/bit\n- 低遅延\n- 高いパッケージコスト","quote_start":0,"quote_end":77,"text_sha256":"658648ab82cb82b3ac3eb51d8f56071b0ab1a59c0b00488706219ffab1cb530f","block_sha256":"658648ab82cb82b3ac3eb51d8f56071b0ab1a59c0b00488706219ffab1cb530f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_04fea8da-0d16-4cd9-9283-c7162bc37ee5"},{"id":"occ_d09551b72cf472fe78718c5a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_3104d656-8834-4415-9f02-5a1603bc1471","section_id":"sec_7abf3ff6-1dd7-4054-bdc0-e77be6150543","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":19,"end":21,"exact":"帯域","quote":"UCIe 3.0は、速度向上と同時に、帯域密度、イコライゼーション、電力管理を改善する設計になっている。","quote_start":0,"quote_end":52,"text_sha256":"4d8c089466ed8ff79211b81e1d4dda2cbdabe1ce1989e9ea9d28d096204f0891","block_sha256":"4d8c089466ed8ff79211b81e1d4dda2cbdabe1ce1989e9ea9d28d096204f0891","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_3104d656-8834-4415-9f02-5a1603bc1471"},{"id":"occ_a5fc645e0579ca5ab347abde","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_33ceab3c-21c1-49ab-8739-9302158e89e5","section_id":"sec_7abf3ff6-1dd7-4054-bdc0-e77be6150543","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":16,"end":18,"exact":"帯域","quote":"## 64GT/sにすれば簡単に帯域が2倍になるのか","quote_start":0,"quote_end":26,"text_sha256":"32639fdc5710d524cc31e802949bacb415047bfabc754869fcbe3bc055f60eef","block_sha256":"32639fdc5710d524cc31e802949bacb415047bfabc754869fcbe3bc055f60eef","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_33ceab3c-21c1-49ab-8739-9302158e89e5"},{"id":"occ_42dba4d52cb50cef6b0827f0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_3f883fbf-ff59-4a71-b9bf-3565631bbb6f","section_id":"sec_7abf3ff6-1dd7-4054-bdc0-e77be6150543","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":35,"end":37,"exact":"帯域","quote":"したがって、データレートを2倍にしても、PHY面積と電力を一切増やさず帯域だけを2倍にできるわけではない。","quote_start":0,"quote_end":53,"text_sha256":"9257e8938cc0f6c5b597fac06619ffd6968a5076b05468fa9954e4dfc8820e26","block_sha256":"9257e8938cc0f6c5b597fac06619ffd6968a5076b05468fa9954e4dfc8820e26","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_3f883fbf-ff59-4a71-b9bf-3565631bbb6f"},{"id":"occ_64e8c8b8e086fe54ab2ce9d4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_43673f70-31f8-4260-98a8-22bc34bcf393","section_id":"sec_0b42367d-dad5-4f8d-b0e3-173912bf2618","layer":"code","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":19,"end":21,"exact":"帯域","quote":"```\nUCIe-S／UCIe-A\n\n帯域密度\n＝ダイ辺1mm当たりが重要\n\n\nUCIe-3D\n\n帯域密度\n＝接合面1mm²当たりが重要\n```","quote_start":0,"quote_end":72,"text_sha256":"1f240cc30b8f9bb5eb7e33671485c372ef5b751f9c1fd47a6a3463f507a21839","block_sha256":"1f240cc30b8f9bb5eb7e33671485c372ef5b751f9c1fd47a6a3463f507a21839","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_43673f70-31f8-4260-98a8-22bc34bcf393"},{"id":"occ_bed2d70110980ab975669028","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_51e4e296-0343-4ceb-a229-4de80f2003d7","section_id":"sec_75e61cb7-99b8-47b4-9c68-b5b9cf69cade","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":81,"end":83,"exact":"帯域","quote":"ンク管理\nソフトウェアモデル\n\n\n異なる\n\nチャネル長\nバンプピッチ\nレーン構成\n送信駆動力\n信号補償\n電力\n帯域密度\n```","quote_start":26,"quote_end":89,"text_sha256":"5165f3540230140c8a44692be65ff1e602ba9543eb35771813a71ac1e011e811","block_sha256":"5165f3540230140c8a44692be65ff1e602ba9543eb35771813a71ac1e011e811","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_51e4e296-0343-4ceb-a229-4de80f2003d7"},{"id":"occ_078dfaa4f50dca6425f346e9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_665aabc2-3da7-4311-af52-06175aea68bc","section_id":"sec_0b42367d-dad5-4f8d-b0e3-173912bf2618","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":45,"end":47,"exact":"帯域","quote":"- 上下方向の極短距離接続\n- 接合面全体を使える\n- 非常に多数の並列接点\n- 高い面積帯域密度\n- 低い通信電力\n- 低遅延\n- Logic-on-Logic\n- SRAM-on-Compute\n- Memory-on-Logic","quote_start":0,"quote_end":117,"text_sha256":"0697cf6e3bd57e899be80a6fd0609fef20202fb5badcdbffa6b7f37143f4669e","block_sha256":"0697cf6e3bd57e899be80a6fd0609fef20202fb5badcdbffa6b7f37143f4669e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_665aabc2-3da7-4311-af52-06175aea68bc"},{"id":"occ_1ea6ed228204a37f6f32c71d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_6cba3863-050c-4859-9bbc-d31184658469","section_id":"sec_bba136b6-306c-4a98-924c-5893b120af0d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":5,"end":7,"exact":"帯域","quote":"ただし実効帯域は、FLITヘッダー、CRC、制御情報、アイドル、再送などによって理論値より小さくなる。","quote_start":0,"quote_end":51,"text_sha256":"ae148314720a9097acb900d766d63386bd1b71a138ad43e29311bb48ec7da314","block_sha256":"ae148314720a9097acb900d766d63386bd1b71a138ad43e29311bb48ec7da314","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_6cba3863-050c-4859-9bbc-d31184658469"},{"id":"occ_df54eee549464ec0698f5548","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_ade47d91-71ce-4218-adb3-6d1f40dbf1a5","section_id":"sec_c359393e-596d-4914-9c68-a1f769a2dcb0","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":162,"end":164,"exact":"帯域","quote":"dvanced Packageが64本の単方向データレーンを基本としており、複数のClusterを束ねてリンク帯域を拡張できる。","quote_start":107,"quote_end":171,"text_sha256":"c3ef47817c2309501a643ec806728f174dcd95a8dff0aa44c833f9b8146baa93","block_sha256":"c3ef47817c2309501a643ec806728f174dcd95a8dff0aa44c833f9b8146baa93","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_ade47d91-71ce-4218-adb3-6d1f40dbf1a5"},{"id":"occ_8812306305d25f4ac44d46c6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4","work_id":"wrk_401fbe80-56cf-48d2-8341-cfc86b46941f","block_id":"blk_f42c2bd8-c40a-4e8f-b74e-b4b83e0ee799","section_id":"sec_45be9fd2-7cda-4bc7-a374-7ab77bd7399c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":36,"end":38,"exact":"帯域","quote":"また、多数のレーンを使えるため、1本を極端に高速化せず、広い並列通信で総帯域を増やせる。","quote_start":0,"quote_end":44,"text_sha256":"91784873fd33506f306e1f3fc53f95f2756eb22d6b9a7cc8d56505d54cb88046","block_sha256":"91784873fd33506f306e1f3fc53f95f2756eb22d6b9a7cc8d56505d54cb88046","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_069f7cc4-0ca9-44ca-b711-fdfd84413ec4/#blk_f42c2bd8-c40a-4e8f-b74e-b4b83e0ee799"},{"id":"occ_602c94728e2aaadc4e5ba052","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_1867a321-eefc-4f0b-9972-d4c89edbd495","section_id":"sec_4f245fb2-372d-4c54-ab6e-f480affc10d4","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":23,"end":25,"exact":"帯域","quote":"GPUやXPUの世代が進むほど、HBMの容量、帯域、スタック数は増える。NVIDIA GPUだけではなく、Broadcom XPU、Google TPU、AMD Instinct、Amazon Trainium、Meta MTIA、各社カスタムASI","quote_start":0,"quote_end":125,"text_sha256":"83d54ae7fb41e7e2d1ee62dba15a3e8b58f62e81a2375dc0667d0051d225486f","block_sha256":"83d54ae7fb41e7e2d1ee62dba15a3e8b58f62e81a2375dc0667d0051d225486f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_1867a321-eefc-4f0b-9972-d4c89edbd495"},{"id":"occ_81dd864c5d97cb506f226b6f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0c1ca0be-030b-470f-a556-2d79b9d3ddce","work_id":"wrk_a09f39eb-1b73-4666-a271-64dbd9638093","block_id":"blk_9c677731-cfea-45f7-83a4-b18e2fceec7e","section_id":"sec_de6ff487-20e9-4696-803d-3780a749275a","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":14,"end":16,"exact":"帯域","quote":"結果としてHBMやUCIeの帯域を増やせる。","quote_start":0,"quote_end":22,"text_sha256":"a20500d115ecd3683845a1e08981afb252e2b0e7415796d19601f0f1665e88de","block_sha256":"a20500d115ecd3683845a1e08981afb252e2b0e7415796d19601f0f1665e88de","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0c1ca0be-030b-470f-a556-2d79b9d3ddce/#blk_9c677731-cfea-45f7-83a4-b18e2fceec7e"},{"id":"occ_1aa84630c4c605ff92152c1b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":null,"section_id":null,"layer":"title","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"title","start":52,"end":54,"exact":"帯域","quote":"HBMとGPUとDRAMのぜんぶ：バス幅／メモリコントローラ／VRAM容量／スタック（Hi）／ピン速度／帯域まで一気に理解する","quote_start":0,"quote_end":63,"text_sha256":"1d768e891cc5cb43c725e2651b12c45d7c72ad4c1a5fe4529dcc66f959c01e63","block_sha256":null,"offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/"},{"id":"occ_e7c0b3ae3b0b723f8541daca","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_1a1cb5a0-8fd0-47a2-813f-ec9c77859852","section_id":"sec_2ebe03f5-dee4-456e-8514-3498c5378d22","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":3,"end":5,"exact":"帯域","quote":"## 帯域幅の式（覚えやすい版）","quote_start":0,"quote_end":16,"text_sha256":"6335e71694e32e9ef4b2d66bed37ba32286436a530765053f3b7dcdc77f5a139","block_sha256":"6335e71694e32e9ef4b2d66bed37ba32286436a530765053f3b7dcdc77f5a139","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_1a1cb5a0-8fd0-47a2-813f-ec9c77859852"},{"id":"occ_3d986c70d0ba9eb9ade8430c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_1e9caab8-9827-4905-891e-bcc317c870e2","section_id":"sec_200e060a-102a-4365-b986-0288208e4cce","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":34,"end":36,"exact":"帯域","quote":"> 実務的には「8→12スタック」への拡張で、同じ世代でも**容量・帯域が直線的に伸びる**（電力/冷却/歩留まりとのトレードオフは増大）。","quote_start":0,"quote_end":70,"text_sha256":"d82fda6bbf80a4dee9d95b5fd3a7c8c189509f2c88c8f5abb8ce84f52b345f3a","block_sha256":"d82fda6bbf80a4dee9d95b5fd3a7c8c189509f2c88c8f5abb8ce84f52b345f3a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_1e9caab8-9827-4905-891e-bcc317c870e2"},{"id":"occ_df9bfc2b8abeb7c320af297d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_253c6753-016c-43fc-8403-bf3722d80990","section_id":"sec_589d09c5-a5e9-47f2-a94a-1f57d1d85773","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":114,"end":116,"exact":"帯域","quote":"チップ枚数 ≒ バス幅/32**（x32が基本） → **概容量＝（チップ容量）×（枚数）**\n  3. **帯域＝（バス幅/8）×Gb/s**（Gb/sはそのまま使う）\n  4. **GDDR6X**は**JEDEC標準外のベンダー拡張**（Micron×NVIDIA、PAM4）。“標準”と混同しない。([To","quote_start":59,"quote_end":216,"text_sha256":"99abd05c278e7287fa2416e71739801bc864911d8f0b046cb3e89c48d0338e22","block_sha256":"99abd05c278e7287fa2416e71739801bc864911d8f0b046cb3e89c48d0338e22","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_253c6753-016c-43fc-8403-bf3722d80990"},{"id":"occ_98051175536aca10ac00623a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_2f9ce5b8-53f4-4de7-a69c-daf34ffea42d","section_id":"sec_115e2b48-e0fe-451d-9971-db79642ed6c0","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":40,"end":42,"exact":"帯域","quote":"- **VRAM容量（=HBM容量）は大規模モデルの収容力**に直結。\n- **帯域**は学習/推論時の**スループット**に直結。\n- **スタック数（横）とHi（縦）**、**ピン速度**の三つ巴で“**総容量×実効帯域**”が決まる、という理解でOK。","quote_start":0,"quote_end":129,"text_sha256":"da44232800166a79388f525d82fa050d0ecb5bfb3eef7db6835288209aaea9da","block_sha256":"da44232800166a79388f525d82fa050d0ecb5bfb3eef7db6835288209aaea9da","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_2f9ce5b8-53f4-4de7-a69c-daf34ffea42d"},{"id":"occ_bbba6ffd0c15febae17a6372","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_3948a34c-95b0-4298-8ac5-cd591a520f08","section_id":"sec_50851d07-62b7-4f7c-9a16-76921cf25957","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":505,"end":507,"exact":"帯域","quote":"ス幅）を変える　② チップ密度だけ上げて容量だけ増**（バス幅据え置き）　③ **メモリレート**を上げて**帯域だけ増**。","quote_start":450,"quote_end":513,"text_sha256":"0da21e84721e389f8b48123e96cf51835a77623c4b40077dcfa4338736edde3b","block_sha256":"0da21e84721e389f8b48123e96cf51835a77623c4b40077dcfa4338736edde3b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_3948a34c-95b0-4298-8ac5-cd591a520f08"},{"id":"occ_2903c83ac5ac3f28d6b5a2bc","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_3a47f80a-9351-4917-98e6-9489748d989f","section_id":"sec_edd4e924-31b6-4691-9154-f13977efb4c5","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":69,"end":71,"exact":"帯域","quote":"）  \n   → **8 → 12スタック**へ。パッケージング（CoWoS-L/R等）の発展で**総容量・総帯域が素直に伸びる**。([ori.co](https://www.ori.co/blog/nvidia-h200-vs-h100?utm_source=chatgpt.com))\n2. **縦**（Hi","quote_start":14,"quote_end":171,"text_sha256":"20f518d7cc323450b37b2ca14cfaebe4ac108b7980788afcfe6533f07f35bd7d","block_sha256":"20f518d7cc323450b37b2ca14cfaebe4ac108b7980788afcfe6533f07f35bd7d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_3a47f80a-9351-4917-98e6-9489748d989f"},{"id":"occ_ff82a12999e60da757bb00a9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_3b29426e-16da-4bad-93c0-0203315627d2","section_id":"sec_fd88b1c3-bbb3-44dd-aea3-6d31b06ca586","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":47,"end":49,"exact":"帯域","quote":"主要アクセラレータの**HBMスタック数（横に何本）**・**総容量（VRAM）**・**実効帯域**をざっと俯瞰できる表から。数字は“1 GPU（または1スーパー チップ）あたり”の代表値です（OEMや世代差で微差あり）。","quote_start":0,"quote_end":112,"text_sha256":"37ca953b67ca618f1cca8b29e6577418e0216ed1a82d181a4c76043507cb8c6a","block_sha256":"37ca953b67ca618f1cca8b29e6577418e0216ed1a82d181a4c76043507cb8c6a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_3b29426e-16da-4bad-93c0-0203315627d2"},{"id":"occ_fabce6aa6d1233a22683f228","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_4e0de24f-a2af-4967-aeb4-0f43d360c566","section_id":"sec_8e3cbcb8-8234-4734-91b8-ec20a8714a47","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":109,"end":111,"exact":"帯域","quote":"b×8=192Gb=24GB/スタック**\n  - ピン速度 **9.6Gb/s** とすると **1スタック帯域 ≈ (1024/8)×9.6 = 1,228.8 GB/s ≈ 1.23TB/s**\n  - **8スタック**なら **容量=24GB×8=192GB**, **帯域≈1.23×8=≈9.8TB/","quote_start":54,"quote_end":211,"text_sha256":"01fe88fc1a11d0a167ef7e2335abbc43a80ae0bb7b0264b5a21e8bcdb083c1f3","block_sha256":"01fe88fc1a11d0a167ef7e2335abbc43a80ae0bb7b0264b5a21e8bcdb083c1f3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_4e0de24f-a2af-4967-aeb4-0f43d360c566"},{"id":"occ_61b016ada4db5fea95cfbbe7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_733f9886-126b-4b60-96b7-88387044e883","section_id":"sec_2ebe03f5-dee4-456e-8514-3498c5378d22","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":285,"end":287,"exact":"帯域","quote":"-and-efficiency-upgrades?utm_source=chatgpt.com))\n- **総帯域**は**スタック数倍**でほぼスケール（配線・電力・熱が許す範囲で）。","quote_start":230,"quote_end":323,"text_sha256":"4a812ff5ed05e1ad5e2cd120aec01e65d204ff9280cbd37008427fdd37ceb830","block_sha256":"4a812ff5ed05e1ad5e2cd120aec01e65d204ff9280cbd37008427fdd37ceb830","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_733f9886-126b-4b60-96b7-88387044e883"},{"id":"occ_581102fcefa306d61b07ef39","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_765b9c3e-47e4-44d3-b522-5f22dcc2af6e","section_id":"sec_64850811-da94-468e-9cbd-eab64c889e10","layer":"body","character_id":null,"count":3,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":127,"end":129,"exact":"帯域","quote":"。PCの**DDR5**、スマホの**LPDDR5(X/6)**、グラフィックス用の**GDDR6/7**、高帯域の**HBM**は “いずれもDRAMの種類”。\n- **VRAM**：GPU専用に直結して使う**用途名**。GDDRやHBMがGPUに直結していれば、それはそのボードの「VRAM」。\n- **HB","quote_start":72,"quote_end":229,"text_sha256":"f272f355105a3d89fdca7e7c68b8fdcb05a456b555f51d4871737da64cfd6bc3","block_sha256":"f272f355105a3d89fdca7e7c68b8fdcb05a456b555f51d4871737da64cfd6bc3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_765b9c3e-47e4-44d3-b522-5f22dcc2af6e"},{"id":"occ_962a4de26b163a72b5d8d69a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_86dcf5f3-85b2-4716-8e45-088385114980","section_id":"sec_8c74463a-77ce-4c7c-811a-0d70f5e68aa0","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":274,"end":276,"exact":"帯域","quote":" のHBM3で **8-Hi** → **24Gb×8 = 192Gb = 24GB/スタック**。\n- **帯域は基本“Hiで変わらない”**：\n  \n  - 帯域は\\*\\*I/O幅（bit）×ピン速度（Gb/s）\\*\\*で決まり、**Hiの増減では増えない**（内部並列度やタイミング条件でわずかに差が出ること","quote_start":219,"quote_end":376,"text_sha256":"f439ba9f3814c6cba11b67e2cbfa095e65461be77ac5cffe00f70d66d7cab7b5","block_sha256":"f439ba9f3814c6cba11b67e2cbfa095e65461be77ac5cffe00f70d66d7cab7b5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_86dcf5f3-85b2-4716-8e45-088385114980"},{"id":"occ_e6c5cd8573e2ac5509b25b92","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_91682485-ffdf-417b-8c70-655065b551c8","section_id":"sec_6fcb1fbb-4274-4e78-84a5-0573814eadc5","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":29,"end":31,"exact":"帯域","quote":"たとえば HBM3 の 1スタックが ≈1.2TB/s の帯域・24GBの容量なら、**8スタックで ≈9.6TB/s・192GB** といった具合で伸びます（実効は配線・消費電力・温度で前後）。","quote_start":0,"quote_end":98,"text_sha256":"fd7f88e12a778aeb3b2d5cbd843a74e5a4aa55520617d9346f8a3a129530b5ef","block_sha256":"fd7f88e12a778aeb3b2d5cbd843a74e5a4aa55520617d9346f8a3a129530b5ef","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_91682485-ffdf-417b-8c70-655065b551c8"},{"id":"occ_1f0ecaf49c405ec997ea8290","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_916d9b98-d004-429a-99ac-0efd7eeccaad","section_id":"sec_e2e26a6e-f118-410d-b0ff-bd594e29ed63","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":42,"end":44,"exact":"帯域","quote":"- **1スタック容量** ＝ **（1ダイ容量）×（Hi）**\n- **1スタック帯域（GB/s）** ＝ **（I/O幅\\[bit\\] ÷ 8）×（ピン速度\\[Gb/s\\]）**\n  \n  - HBM3：**1,024bit**、HBM4：**2,048bit**\n- **総容量**","quote_start":0,"quote_end":144,"text_sha256":"e2ce74b01ea5d6b4fb3243c00d4cbdd613b543e19cd8aeaeba599a91684c03ac","block_sha256":"e2ce74b01ea5d6b4fb3243c00d4cbdd613b543e19cd8aeaeba599a91684c03ac","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_916d9b98-d004-429a-99ac-0efd7eeccaad"},{"id":"occ_8a61dbf64affab6dc584f247","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_a7268182-bd43-49fa-ae30-c05b88f80045","section_id":"sec_2cc76a29-a533-44ee-b7cb-827741642dee","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"- **式**：帯域\\[GB/s\\] = (I/O幅\\[bit\\] ÷ 8) ×（ピン速度\\[Gb/s\\]）\n- 例1：HBM3（1024-bit, 6.4Gb/s）→ (1024/8)×6.4 = **819.2 GB","quote_start":0,"quote_end":110,"text_sha256":"f32ff6858af0161c1be422286fe6398f6af37530f377bdd6f704287e43061b48","block_sha256":"f32ff6858af0161c1be422286fe6398f6af37530f377bdd6f704287e43061b48","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_a7268182-bd43-49fa-ae30-c05b88f80045"},{"id":"occ_33977c2edd9c8b18db257e42","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_aa78dfbf-d956-488a-b77e-61077ba625cc","section_id":"sec_cc15bd6b-351a-40a1-ad94-9ed06b10698a","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":55,"end":57,"exact":"帯域","quote":"## HBMとGPUとDRAMのぜんぶ：バス幅／メモリコントローラ／VRAM容量／スタック（Hi）／ピン速度／帯域まで一気に理解する","quote_start":0,"quote_end":66,"text_sha256":"e6eae40147494d4aa80f55a64200c5317cc0653b8993844c4678013d908b8334","block_sha256":"e6eae40147494d4aa80f55a64200c5317cc0653b8993844c4678013d908b8334","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_aa78dfbf-d956-488a-b77e-61077ba625cc"},{"id":"occ_ca4ebba78f4bc7c5022d9e5e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_cfc3b4cc-2a35-45d5-957d-45aabcf01bae","section_id":"sec_1a1269f3-a340-4c9e-a8c9-46711ab033b4","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":1314,"end":1316,"exact":"帯域","quote":"rce=chatgpt.com))\n- AMD MI300X/MI325X/MI350X/MI355Xの容量・帯域：AMD資料/各種報道。([Civo.com](https://www.civo.com/blog/comparing-nvidia-b200-and-h100?utm_source=chatgpt.","quote_start":1259,"quote_end":1416,"text_sha256":"7f60c8ab63dada312cd28f522c7cf94acdc5d6e6ec7cee4ef2d7c38810010148","block_sha256":"7f60c8ab63dada312cd28f522c7cf94acdc5d6e6ec7cee4ef2d7c38810010148","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_cfc3b4cc-2a35-45d5-957d-45aabcf01bae"},{"id":"occ_8789d4408142145236e7d867","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_d1cf2ea4-2971-4574-bbaf-3df01ed27974","section_id":"sec_b2a43f0c-7f48-4d92-bbd6-393fd0ae60cc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":14,"end":16,"exact":"帯域","quote":"## 世代ごとのI/O構成と帯域（代表値）","quote_start":0,"quote_end":21,"text_sha256":"aeaa0d7924f222f62b03ce15edfe35eec9ccd8b39ecc8b9a8a682b6e8193db92","block_sha256":"aeaa0d7924f222f62b03ce15edfe35eec9ccd8b39ecc8b9a8a682b6e8193db92","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_d1cf2ea4-2971-4574-bbaf-3df01ed27974"},{"id":"occ_d16e9fbaa137b080ca9cff3b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_d48183e5-7eb5-466b-8e6b-25db583cfaf9","section_id":"sec_edd4e924-31b6-4691-9154-f13977efb4c5","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":363,"end":365,"exact":"帯域","quote":"com))\n- **Gaudi系**：現行はHBM2e 128GB/3.7TB/s。HBM4世代では**容量・帯域のテコ入れ**が鍵。([cdrdv2-public.intel.com](https://cdrdv2-public.intel.com/817486/gaudi-3-ai-accelerator-w","quote_start":308,"quote_end":465,"text_sha256":"8d4ea8217a760a111f592cefeac81af40f0a65de07a3a028d2cdd26673844b53","block_sha256":"8d4ea8217a760a111f592cefeac81af40f0a65de07a3a028d2cdd26673844b53","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_d48183e5-7eb5-466b-8e6b-25db583cfaf9"},{"id":"occ_ce91dd325d47fff30145df89","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_d942d964-fdbd-4063-9b78-1a469eefb47a","section_id":"sec_6fcb1fbb-4274-4e78-84a5-0573814eadc5","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":132,"end":134,"exact":"帯域","quote":"\n- GPUパッケージの周囲にこの**スタックを複数本**並べます（例：6スタック、8スタック…）。\n- **帯域と容量を“横方向”に足す単位**：\n  \n  - **帯域**…スタックごとに**固定のI/O幅**（HBM2/3: 1,024bit、HBM4: 2,048bit）を持つので、**スタック数を増やす","quote_start":77,"quote_end":234,"text_sha256":"cd24e6ed31ef8ee85fbcd81d9c1b9faab5d5ad28141f5535d9520333427bc49d","block_sha256":"cd24e6ed31ef8ee85fbcd81d9c1b9faab5d5ad28141f5535d9520333427bc49d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_d942d964-fdbd-4063-9b78-1a469eefb47a"},{"id":"occ_d7d59c644275c35565fcfa2e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_db39da94-64bd-420d-84bd-4d7591eb9c3f","section_id":"sec_01624ec0-c65d-4896-914d-7bd0da75fd8a","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":125,"end":127,"exact":"帯域","quote":"it**＝1024本のデータピン、HBM4は**2048-bit**。この“bit”が広いほど同じピン速度でも帯域は大きくなります。HBMはチャネルを束ねてこの幅を作ります（HBM2=8×128bit、HBM3=16×64bit、HBM4=32×64bit）。([EE Times Asia](https://ww","quote_start":70,"quote_end":227,"text_sha256":"7cff54f2ffecc22d6418d635a81cf69c88a438dde443fbdf367fca030b684975","block_sha256":"7cff54f2ffecc22d6418d635a81cf69c88a438dde443fbdf367fca030b684975","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_db39da94-64bd-420d-84bd-4d7591eb9c3f"},{"id":"occ_210264e239baa72cda4e1faf","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_e1727f19-ecd0-4e7f-92a3-02084645fc28","section_id":"sec_8e3cbcb8-8234-4734-91b8-ec20a8714a47","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":202,"end":204,"exact":"帯域","quote":"（=I/O幅合計を増やす）か、**ピン速度**の高い世代/グレードを選ぶ。\n  \n  - **Hiを増やしても帯域は増えない**点がハマりどころ。","quote_start":147,"quote_end":220,"text_sha256":"7a9044d0b0d1dce85e7b546e04ddae3daeabb72599e357bb7e3f3e0dcc0aceaa","block_sha256":"7a9044d0b0d1dce85e7b546e04ddae3daeabb72599e357bb7e3f3e0dcc0aceaa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_e1727f19-ecd0-4e7f-92a3-02084645fc28"},{"id":"occ_41e38fc4a5dd9a8a81b0f442","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_f455ed1b-6413-4a27-bd83-0d0f0701076c","section_id":"sec_0db70f08-fde3-429a-9752-ed3ffee3265e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":23,"end":25,"exact":"帯域","quote":"> ポイント：**バス幅やチャネル数は“速さ（帯域）”の話であって“容量”は「密度×段数」で決まる**、を身体で覚える。","quote_start":0,"quote_end":60,"text_sha256":"62a9b555cfd78e7e3530a7fb8a5862e6f8a4db3972e7c8c509088dae2d59d579","block_sha256":"62a9b555cfd78e7e3530a7fb8a5862e6f8a4db3972e7c8c509088dae2d59d579","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_f455ed1b-6413-4a27-bd83-0d0f0701076c"},{"id":"occ_8e4e42b19337cde567042bb9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_fe16925e-7831-4436-8ec3-87608e078ca0","section_id":"sec_a0caf0ad-4d7b-4cde-8608-bee5aacf1928","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":133,"end":135,"exact":"帯域","quote":"48bit**まで拡大（**32チャネル×各64bit**、各チャネルは擬似チャネル×2）。この“幅の倍増”が帯域ジャンプの土台。([Tom's Hardware](https://www.tomshardware.com/pc-components/ram/jedec-finalizes-hbm4-memory","quote_start":78,"quote_end":235,"text_sha256":"139c2216ddf693e8d8128aeb4ab795ff815ec788f9af4e4958574401adafc913","block_sha256":"139c2216ddf693e8d8128aeb4ab795ff815ec788f9af4e4958574401adafc913","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_fe16925e-7831-4436-8ec3-87608e078ca0"},{"id":"occ_b46d55a9ffd50ac40232c3ee","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0e531107-4090-4b2f-8e19-16fe4d32d8d6","work_id":"wrk_52c716f7-adad-437c-8d7e-7eb8eeae30d9","block_id":"blk_6846bfb5-be34-49f7-a40b-a71db24eba17","section_id":"sec_77bdf3d3-797a-49a9-bcea-89f4658675d0","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":32,"end":34,"exact":"帯域","quote":"それが普及すれば、電力の消費を半分以下に抑えられ、データを送れる帯域幅は4倍以上向上する  \n世界が変わるというわけだ","quote_start":0,"quote_end":59,"text_sha256":"2fab52cbec289fbc00d14971e44047c316e6a8ffccfc9b8b11740b631181e7df","block_sha256":"2fab52cbec289fbc00d14971e44047c316e6a8ffccfc9b8b11740b631181e7df","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e531107-4090-4b2f-8e19-16fe4d32d8d6/#blk_6846bfb5-be34-49f7-a40b-a71db24eba17"},{"id":"occ_6f5b0661f25817a993f55191","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0e531107-4090-4b2f-8e19-16fe4d32d8d6","work_id":"wrk_52c716f7-adad-437c-8d7e-7eb8eeae30d9","block_id":"blk_a94c66e5-297a-46d9-b66e-8f22c4924e04","section_id":"sec_77bdf3d3-797a-49a9-bcea-89f4658675d0","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"光技術をGPUやCPUに使うと何が嬉しいのかというと、帯域幅が4～16倍となり、エネルギー効率がよくなり、従来の電力の70％をカットできるのだ","quote_start":0,"quote_end":71,"text_sha256":"b65230d14160684a666c4bb1986df2898e9d9a0c42d46fadb194d3af22b87d1e","block_sha256":"b65230d14160684a666c4bb1986df2898e9d9a0c42d46fadb194d3af22b87d1e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e531107-4090-4b2f-8e19-16fe4d32d8d6/#blk_a94c66e5-297a-46d9-b66e-8f22c4924e04"},{"id":"occ_8f633fa0e733552a7ef2ac8a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9","work_id":"wrk_dcad52cb-128a-418b-a311-a794c37abfc3","block_id":"blk_9a0cb70e-d37e-47c8-a19d-b6c4cd2ddc52","section_id":"sec_d5dd1def-e8b9-4bbb-9750-ca62f4ecf3ed","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":15,"end":17,"exact":"帯域","quote":"```\nローカルHBM\n＝最高帯域・最低遅延の主記憶\n\nCXL／光接続Memory Pool\n＝大容量DRAM、KVキャッシュ、共有メモリ、補助階層\n```","quote_start":0,"quote_end":78,"text_sha256":"5fc209f89317ad15f6fe465c3290985ce3efe3bdb7c8f8f4d8b56a59687e8a80","block_sha256":"5fc209f89317ad15f6fe465c3290985ce3efe3bdb7c8f8f4d8b56a59687e8a80","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9/#blk_9a0cb70e-d37e-47c8-a19d-b6c4cd2ddc52"},{"id":"occ_79be9b54703b032e582cb6ff","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_0f7c606d-558f-4edb-99eb-4609a9fb0a95","work_id":"wrk_958dfab7-4e11-4e38-9d35-db36e1f1b2f7","block_id":"blk_32d36c5e-aea5-47a2-9c07-f9b634067536","section_id":"sec_1e58b21c-d70a-403d-8bc8-1d3d0c3d2568","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":33,"end":42,"exact":"Bandwidth","quote":"QualcommはHBCというMemory 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Intelligence](https://www.gsmaintelligence.com/research/satellite-and-nt","quote_start":53,"quote_end":210,"text_sha256":"f862fe6b6c841dc34ca3f59cab97e097a1b09b3ab75f9a406b98407d84b4d467","block_sha256":"f862fe6b6c841dc34ca3f59cab97e097a1b09b3ab75f9a406b98407d84b4d467","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17f0f08f-aee1-41a1-8c07-82badf2b6a4f/#blk_709a1cdb-6a53-48a8-95fc-baa7fef5a881"},{"id":"occ_c91d9a6812be052e21a99308","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_17f0f08f-aee1-41a1-8c07-82badf2b6a4f","work_id":"wrk_f7d6728c-f58d-4c77-958d-67d9910c0d5d","block_id":"blk_75dcc2c1-2e1f-44e5-8e61-4d656db46256","section_id":"sec_267811cb-5692-4e26-bb59-138c0acab28e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":111,"end":113,"exact":"帯域","quote":"ネットワークのエッジでクラウドコンピューティング能力とITサービス環境を提供するものと定義しており、低遅延・高帯域・無線ネットワーク情報へのリアルタイムアクセスを特徴としています。","quote_start":56,"quote_end":146,"text_sha256":"f978c3d6d93d9121f46d5a84b36f64482e90b221b6162f682856fc00ace97a58","block_sha256":"f978c3d6d93d9121f46d5a84b36f64482e90b221b6162f682856fc00ace97a58","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17f0f08f-aee1-41a1-8c07-82badf2b6a4f/#blk_75dcc2c1-2e1f-44e5-8e61-4d656db46256"},{"id":"occ_3b9ba3c7699345b9b492585b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_1c3b81f6-696c-4d69-acf7-ad589032ce63","work_id":"wrk_34a8dbe0-b5df-4af3-9515-dede6c8eb815","block_id":"blk_042ad1ce-860f-413d-87d0-1f97edc77142","section_id":"sec_413dd42e-30c3-4439-bfe0-b6b9f2f39c6e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":135,"end":137,"exact":"帯域","quote":"運ぶのに対し、フォトニクスではレーザー光やLED光など光信号が情報伝達の役割を担います。光は高周波で振動し信号帯域が広いため、**大量のデータを高速に送信**でき、さらに光ファイバー中を伝送する際の損失が低いという利点があります。このため遠距離通信やデータセンターネットワーキングでは電気配線の代わりに光ファイバー","quote_start":80,"quote_end":237,"text_sha256":"1bce4275c75effadd8ff0fc1100b4c154bdf06153db3d357e1eaff4f8dd5ea67","block_sha256":"1bce4275c75effadd8ff0fc1100b4c154bdf06153db3d357e1eaff4f8dd5ea67","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_1c3b81f6-696c-4d69-acf7-ad589032ce63/#blk_042ad1ce-860f-413d-87d0-1f97edc77142"},{"id":"occ_3aef01be08389310b4f25695","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_1c3b81f6-696c-4d69-acf7-ad589032ce63","work_id":"wrk_34a8dbe0-b5df-4af3-9515-dede6c8eb815","block_id":"blk_15300982-019e-44c4-8ffd-41b4a6100a59","section_id":"sec_dfdb5f71-922a-4ef5-9acb-f05f749b044d","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":51,"end":53,"exact":"帯域","quote":"**800G/1.6T光トランシーバーの進化:** 800G光モジュールは、現在主流の400Gの2倍の帯域を持つ次世代の通信モジュールです。主な実現方式としては、**8波長×100 Gbps**の並列伝送（PAM4変調）や**4波長×200 Gbps**の高次変調等が検討されています。800Gでは1秒間に","quote_start":0,"quote_end":153,"text_sha256":"76a6d2753dca44a70d34f3042a2a9cd4bddf5442328263b01d3fbe279f1d7929","block_sha256":"76a6d2753dca44a70d34f3042a2a9cd4bddf5442328263b01d3fbe279f1d7929","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_1c3b81f6-696c-4d69-acf7-ad589032ce63/#blk_15300982-019e-44c4-8ffd-41b4a6100a59"},{"id":"occ_1690af35763fee825ecf4474","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_1c3b81f6-696c-4d69-acf7-ad589032ce63","work_id":"wrk_34a8dbe0-b5df-4af3-9515-dede6c8eb815","block_id":"blk_5945ea4f-3e18-4b89-8439-c16ef1fb78db","section_id":"sec_903efd7e-ae55-4b8c-ae63-b8cf3f78310b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":121,"end":123,"exact":"帯域","quote":"の巨大なスーパーコンピューターとして動作させる。この際、GPU間の通信ボトルネックが計算性能の制約となるため、帯域幅への渇望は留まるところを知らない。","quote_start":66,"quote_end":141,"text_sha256":"d2316d7b93b188e71e0b57b4b1dfeeb8bedf6a7edc887bb50ff1e01ce34f3d20","block_sha256":"d2316d7b93b188e71e0b57b4b1dfeeb8bedf6a7edc887bb50ff1e01ce34f3d20","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_1c3b81f6-696c-4d69-acf7-ad589032ce63/#blk_5945ea4f-3e18-4b89-8439-c16ef1fb78db"},{"id":"occ_a31435daa86ec245abbd9a94","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_1c3b81f6-696c-4d69-acf7-ad589032ce63","work_id":"wrk_34a8dbe0-b5df-4af3-9515-dede6c8eb815","block_id":"blk_8b7eb741-ad31-4c53-b0a7-b73501b05495","section_id":"sec_dfdb5f71-922a-4ef5-9acb-f05f749b044d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":241,"end":243,"exact":"帯域","quote":"損失・レイテンシが無視できなくなります。CPOでは光エンジンを至近距離に配置することで電気配線長を短縮し、**帯域幅向上と消費電力削減**を図ります。一方で、CPOはメンテナンス性やモジュール交換が難しいという課題もあるため、中間的なアプローチとしてニアパッケージド・オプティクス（NPO）も提唱されています。NP","quote_start":186,"quote_end":343,"text_sha256":"b5a54dfc07a637b829777e731f080219170660a9ec67255a973ecacae3e1a7db","block_sha256":"b5a54dfc07a637b829777e731f080219170660a9ec67255a973ecacae3e1a7db","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_1c3b81f6-696c-4d69-acf7-ad589032ce63/#blk_8b7eb741-ad31-4c53-b0a7-b73501b05495"},{"id":"occ_bdfe1d8ab79e6c7c52cd40b2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_e523cc0c-d3a9-49d0-bef4-82adeb7099d1","section_id":"sec_d4de3774-602d-489c-ba95-de046e60c3da","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":18,"end":27,"exact":"bandwidth","quote":"**State migration bandwidth**","quote_start":0,"quote_end":29,"text_sha256":"00f3563bb94820a66114df5587906df0c6214fd67e5e4f842406c4902f275d7e","block_sha256":"00f3563bb94820a66114df5587906df0c6214fd67e5e4f842406c4902f275d7e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_e523cc0c-d3a9-49d0-bef4-82adeb7099d1"},{"id":"occ_a62a68635235cf9d500c0475","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_24eb030e-0590-42b8-bd89-6a25a4dfc487","work_id":"wrk_a6aa5646-83cd-40dd-87e3-3b3f438804da","block_id":"blk_20a99031-a22a-479c-97e0-9757452f9382","section_id":"sec_86eff15e-28ef-4623-b219-f85b9b8c6fc7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":69,"end":71,"exact":"帯域","quote":"＝臓器を結ぶ“太い血管”**、**Ethernet/IB＝都市をつなぐ“道路網”**。  \n> （NVLink帯域の代表値はNVIDIA公式の最新ページに明記） ([NVIDIA](https://www.nvidia.com/en-us/data-center/nvlink/?utm_source=chatgp","quote_start":14,"quote_end":171,"text_sha256":"c68bf72152ac417b7a3b74e940a8db64946961a6c9824fb40c50f8d3b9eb4690","block_sha256":"c68bf72152ac417b7a3b74e940a8db64946961a6c9824fb40c50f8d3b9eb4690","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_24eb030e-0590-42b8-bd89-6a25a4dfc487/#blk_20a99031-a22a-479c-97e0-9757452f9382"},{"id":"occ_95f78aefb49ef907129b1323","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_24eb030e-0590-42b8-bd89-6a25a4dfc487","work_id":"wrk_a6aa5646-83cd-40dd-87e3-3b3f438804da","block_id":"blk_23657c9e-99a6-4c61-a94b-d302ecbc5c06","section_id":"sec_c4dba5ff-ba6d-4e6a-9a60-bcd6eb865fb5","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":454,"end":456,"exact":"帯域","quote":"**ASICと同じパッケージ内**（またはインターポーザ直結）に統合。\n   - **電気配線が最短**になり帯域/電力/密度に有利（224G/lane 以降に特に効く）。\n   - ただし**サービス性×**（故障時は基板/ラインカードごと交換）、**実装・熱設計・歩留まり**が難しい。","quote_start":399,"quote_end":544,"text_sha256":"7c94197fdea9b0e44ec5ee6543bd9ddee3b7a10ec3c19f1ea382546cdafbd2e3","block_sha256":"7c94197fdea9b0e44ec5ee6543bd9ddee3b7a10ec3c19f1ea382546cdafbd2e3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_24eb030e-0590-42b8-bd89-6a25a4dfc487/#blk_23657c9e-99a6-4c61-a94b-d302ecbc5c06"},{"id":"occ_334efcafc43ab260df7e679c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_24eb030e-0590-42b8-bd89-6a25a4dfc487","work_id":"wrk_a6aa5646-83cd-40dd-87e3-3b3f438804da","block_id":"blk_2fd156e9-5352-4102-b613-1d176d763df1","section_id":"sec_8d1abdad-1264-4ff0-b56a-790e755f364c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":80,"end":82,"exact":"帯域","quote":"ダ選択肢が広い ←→ 電気配線が長く**電力・信号品質**のコストが増えがち。\n- **CPO**：**電力・帯域密度・到達**で有利、前面ポートの混雑も回避 ←→ フィールド交換不可、**実装難易度/サーマル/歩留まり**の課題。","quote_start":25,"quote_end":141,"text_sha256":"ba17fc9ea991db1177b55e187b3762cd0748915460083eb35136bbc6089e4e2a","block_sha256":"ba17fc9ea991db1177b55e187b3762cd0748915460083eb35136bbc6089e4e2a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_24eb030e-0590-42b8-bd89-6a25a4dfc487/#blk_2fd156e9-5352-4102-b613-1d176d763df1"},{"id":"occ_403807d51ede877c3cf15abe","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_24eb030e-0590-42b8-bd89-6a25a4dfc487","work_id":"wrk_a6aa5646-83cd-40dd-87e3-3b3f438804da","block_id":"blk_581f0469-4d94-4ee0-a111-4ad1c36283b4","section_id":"sec_25eae815-b2e0-4788-a5d5-ffffffeb1c00","layer":"code","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":257,"end":259,"exact":"帯域","quote":"─┴───────────────────────┴───────────────────────────┘\n帯域：最大        帯域：とても大（ただし共有/輻輳に注意）   帯域：用途依存（RDMA/圧縮で工夫）\n遅延：最小        遅延：ローカルより増（同期設計がカギ）     遅延：桁が上がる（","quote_start":202,"quote_end":359,"text_sha256":"4a0f509badc2d40a5b045cb39540435622c1869dadeced9054dae6cdd95ba914","block_sha256":"4a0f509badc2d40a5b045cb39540435622c1869dadeced9054dae6cdd95ba914","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_24eb030e-0590-42b8-bd89-6a25a4dfc487/#blk_581f0469-4d94-4ee0-a111-4ad1c36283b4"},{"id":"occ_c4eceb5bce1f2ebe1b1b6fdd","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_24eb030e-0590-42b8-bd89-6a25a4dfc487","work_id":"wrk_a6aa5646-83cd-40dd-87e3-3b3f438804da","block_id":"blk_8bb01f03-464e-4758-a0dd-492eb90bb364","section_id":"sec_1663cdb1-f4ae-478d-9b64-12e856e6968b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":43,"end":45,"exact":"帯域","quote":"**スイッチASICの“すぐ横”に光エンジンを内蔵**し、電気配線を極短にして\\*\\*帯域密度↑・電力↓・信号品質↑\\*\\*を狙う実装。OIFがフレームワーク文書で適用領域や設計要件を整理している。 ([oiforum.com](https://www.oiforum.com/wp-con","quote_start":0,"quote_end":145,"text_sha256":"fd1257777df4b9b58cc40ee9755eca353626a838bbd4e8f314e1eb6be70e65a1","block_sha256":"fd1257777df4b9b58cc40ee9755eca353626a838bbd4e8f314e1eb6be70e65a1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_24eb030e-0590-42b8-bd89-6a25a4dfc487/#blk_8bb01f03-464e-4758-a0dd-492eb90bb364"},{"id":"occ_4c7a0d9ead5a95094bdd1c43","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_24eb030e-0590-42b8-bd89-6a25a4dfc487","work_id":"wrk_a6aa5646-83cd-40dd-87e3-3b3f438804da","block_id":"blk_ee9db253-0d76-4258-8ac4-b57c7bdec849","section_id":"sec_92ab0f5e-00ea-44b6-a4c4-b8b3c90e916c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":869,"end":871,"exact":"帯域","quote":"om))\n- **NVLink（Blackwell）**：**GPUあたり最大1.8TB/s**のNVLink帯域を公式掲示。 ([NVIDIA](https://www.nvidia.com/en-us/data-center/nvlink/?utm_source=chatgpt.com))","quote_start":814,"quote_end":961,"text_sha256":"fc5ccbc3d2cbcc37f19dbb2bae223e49f969a8d5fe57ab054dc48adcfa577264","block_sha256":"fc5ccbc3d2cbcc37f19dbb2bae223e49f969a8d5fe57ab054dc48adcfa577264","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_24eb030e-0590-42b8-bd89-6a25a4dfc487/#blk_ee9db253-0d76-4258-8ac4-b57c7bdec849"},{"id":"occ_cd64ff655e1d7ca76f9830c1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_25c19733-e8bf-4666-a96e-91917803878b","work_id":"wrk_d1c18d7c-505e-4f07-bfb5-ac5d6eb8e10d","block_id":"blk_39c12da5-e78c-45cd-8a9b-27f525ba1be4","section_id":"sec_6abd0b38-5834-4ba9-9411-1d59ce87e690","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":30,"end":32,"exact":"帯域","quote":"- レチクル限界\n- 歩留まり\n- SRAM容量\n- HBM帯域\n- 電源供給\n- パッケージ面積\n- 冷却","quote_start":0,"quote_end":54,"text_sha256":"7803c7a1a8d451060f53116a17095ccea8e30f4c9e6b514c80b157655fa810a8","block_sha256":"7803c7a1a8d451060f53116a17095ccea8e30f4c9e6b514c80b157655fa810a8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_25c19733-e8bf-4666-a96e-91917803878b/#blk_39c12da5-e78c-45cd-8a9b-27f525ba1be4"},{"id":"occ_81491271ad170ed5ce9347a9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_29eebad8-4749-4d68-b2bc-7e86b84e96fa","section_id":"sec_74d14e7a-6971-4e46-9f53-adca1a08f502","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":213,"end":215,"exact":"帯域","quote":"遅延の影響を緩和するなど）。また大容量映像ストリーミングを複数ロボットが行う場合、各セル120Mbpsとはいえ帯域逼迫の可能性もあります。そのため将来的には**さらなる衛星増強や周波数拡張**も検討されるでしょう。幸い、AST SpaceMobileは世界各国で周波数アロケーションを獲得・調整する総合的なスペクト","quote_start":158,"quote_end":315,"text_sha256":"361569a0d6485e75700c75784412c351a2b394ccb6f7f9248c0d645c3d5637ab","block_sha256":"361569a0d6485e75700c75784412c351a2b394ccb6f7f9248c0d645c3d5637ab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_29eebad8-4749-4d68-b2bc-7e86b84e96fa"},{"id":"occ_5ab68b31a24543e543de06bc","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_34a639cc-734a-45f7-a067-3f6aa1742348","section_id":"sec_c5c46c67-b77b-4407-921d-64c94bb654c2","layer":"body","character_id":null,"count":4,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":345,"end":347,"exact":"帯域","quote":"により、1ヘルツ（Hz）のスペクトルあたりにより多くのビット情報を詰め込むことができる。\n3. **スペクトル帯域幅（Spectral Bandwidth）：**\n   \n   1. システムは、1ビームあたり最大40MHzのチャネル帯域幅を使用するように設計されている 9。シャノン＝ハートレーの定理に基づけば、","quote_start":290,"quote_end":447,"text_sha256":"0be3a7d63cb107e7dec766924c737500af3a39ad3d8cfac094a50fd57c958766","block_sha256":"0be3a7d63cb107e7dec766924c737500af3a39ad3d8cfac094a50fd57c958766","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_34a639cc-734a-45f7-a067-3f6aa1742348"},{"id":"occ_abbba9a309d08615946f6dfe","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_4951e091-078d-48d8-8e53-072206362f08","section_id":"sec_0c5e9167-4df9-449e-8445-9dabd984ba3e","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":565,"end":567,"exact":"帯域","quote":"SICは、プロトタイプ（BW3）で使用されていたFPGAベースのアーキテクチャと比較して、衛星1機あたりの処理帯域幅を10倍に向上させる。具体的には、最大10,000MHzの総処理帯域幅をサポートする。","quote_start":510,"quote_end":611,"text_sha256":"8f0cd20d95614e74dca7a126f09f2c72369e6a52e69618a82608730d1cbf20b1","block_sha256":"8f0cd20d95614e74dca7a126f09f2c72369e6a52e69618a82608730d1cbf20b1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_4951e091-078d-48d8-8e53-072206362f08"},{"id":"occ_5e606b23a03b5b43c68a1426","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_59c782fc-26b3-4728-b0ea-8e36a0602a0a","section_id":"sec_26a12ac4-32c9-4bc1-8c78-6ae92d634c72","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":37,"end":39,"exact":"帯域","quote":"- **Block 2の容量：** 衛星1機あたり10,000MHzの処理帯域幅を持つ。\n- **スループット：** 周波数利用効率を4 bits/Hz（MIMO/QAM使用時の保守的な見積もり）と仮定し、ビームの再利用（Frequency Reuse）を考慮すると、衛星全体の","quote_start":0,"quote_end":139,"text_sha256":"04c4448bebd62cf2ccb2788369df2b33b6311323e9f6f9083a4539291dc8bdc1","block_sha256":"04c4448bebd62cf2ccb2788369df2b33b6311323e9f6f9083a4539291dc8bdc1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_59c782fc-26b3-4728-b0ea-8e36a0602a0a"},{"id":"occ_c333e9c415f703af3a6b3671","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_a6d818c5-fd48-4a6e-b89c-ea61ff8471e2","section_id":"sec_b9840834-2d1c-481f-baf0-64f507b171ec","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":3823,"end":3825,"exact":"帯域","quote":"Omnispace（オムニスペース）**: 米Omnispace社はS帯衛星を使った**5G NB-IoT（狭帯域IoT）サービス**に注力する企業で、ロッキード・マーティン等と提携し衛星によるIoT通信の実証実験を行っています[satellitetoday.com](https://www.satellitet","quote_start":3768,"quote_end":3925,"text_sha256":"2f981d84939fbb766cf0c179b9aa7e59df88fbef6a354c2cc8fe51c7d725dd06","block_sha256":"2f981d84939fbb766cf0c179b9aa7e59df88fbef6a354c2cc8fe51c7d725dd06","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_a6d818c5-fd48-4a6e-b89c-ea61ff8471e2"},{"id":"occ_42675f90bfb098e81f11b511","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_a7985aea-81af-4119-81aa-dffff5c45451","section_id":"sec_dedaf945-a9ea-4089-96f5-6b34429757fa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":114,"end":116,"exact":"帯域","quote":"うな小型アンテナではこの利得が得られないため、スマートフォン側に高出力を要求するか、通信速度を極端に落とす（狭帯域化してノイズ耐性を上げる）しかない。ASTSだけが、「普通のスマホ」が「ささやくような出力」で送信しても、それを聞き取ることができる「巨大な耳」を持っているのである。","quote_start":59,"quote_end":199,"text_sha256":"3e574f1f822e3492049d6c1da6dacd1078144f1de86a214571b2aac2da07da0d","block_sha256":"3e574f1f822e3492049d6c1da6dacd1078144f1de86a214571b2aac2da07da0d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_a7985aea-81af-4119-81aa-dffff5c45451"},{"id":"occ_083f6ba4c66887102191a40c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_acf031ea-9c8c-46db-9691-df77f66621c4","section_id":"sec_1da33012-b8e3-44f2-af35-e7622d1ba1e1","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":79,"end":81,"exact":"帯域","quote":"り、米国の主要パートナー。AT&Tは、建物の浸透や広域カバレッジに不可欠な「プラチナバンド」と呼ばれる低周波数帯域（700MHz, 850MHz）を提供している 。\n- **Verizon（米国）：** 後に1億ドルのコミットメントと共に参画。これにより、ASTSは米国市場の3大キャリアのうち2社を押さえ、圧倒的","quote_start":24,"quote_end":181,"text_sha256":"47c5c4e8496ef3b2d8985298b505b257773097a724936402a92438c8f88cb90b","block_sha256":"47c5c4e8496ef3b2d8985298b505b257773097a724936402a92438c8f88cb90b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_acf031ea-9c8c-46db-9691-df77f66621c4"},{"id":"occ_1c5ddb9bf763269636c371c0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_be636727-fa29-4356-a009-dac0dfead657","section_id":"sec_9a927a99-c031-4bac-87c5-a2abe30c752d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":55,"end":57,"exact":"帯域","quote":"AST SpaceMobileが他社に先駆けてスマホ直接通信を可能にした背景には、**独自開発の半導体技術と広帯域通信への対応力**があります。同社は衛星に搭載する専用通信ASIC「AST5000」チップを自社で開発しており、4年以上・150人年に及ぶR&D投資（開発費約4500万ドル）をかけて2024年にテープ","quote_start":0,"quote_end":157,"text_sha256":"5e5470d3264b3d77f3cdb0814aa3f7983fbf9ad42f29e01c3a23da2371797ce8","block_sha256":"5e5470d3264b3d77f3cdb0814aa3f7983fbf9ad42f29e01c3a23da2371797ce8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_be636727-fa29-4356-a009-dac0dfead657"},{"id":"occ_3dd37f802932e1ddd63588a6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_c3601b83-2671-4489-abf9-c6c745369262","section_id":"sec_9a927a99-c031-4bac-87c5-a2abe30c752d","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":56,"end":58,"exact":"帯域","quote":"際、AST SpaceMobileはBlueWalker 3衛星で**スペクトル効率3bit/Hz**（1Hz帯域あたり3ビットのデータ伝送）を達成し、それをもとに**1ビームあたり40MHzの帯域で最大120Mbps**の通信速度を見込んでいます[businesswire.com](https://www.bu","quote_start":1,"quote_end":158,"text_sha256":"5f91d325aa8d57a4d29116542de44268004d8a28ef59511851fd09c6d9d540ce","block_sha256":"5f91d325aa8d57a4d29116542de44268004d8a28ef59511851fd09c6d9d540ce","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_c3601b83-2671-4489-abf9-c6c745369262"},{"id":"occ_2ace4d3136bac4b7ffa8f35b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_d25f5db2-bb59-45bc-b3c6-c6818fda8c16","section_id":"sec_c5c46c67-b77b-4407-921d-64c94bb654c2","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":160,"end":162,"exact":"帯域","quote":"おそらく限られたスペクトル割り当て（5-10MHz程度）で実施されたものである。120Mbpsへの到達は、処理帯域幅が10倍に強化され、より大きな電力リザーブを持つBlock 2衛星の展開にかかっている 。","quote_start":105,"quote_end":208,"text_sha256":"7d56ddacbe8d3b5793497648866bfcb1f1481fe3350f3fe214d62af4fa3d4724","block_sha256":"7d56ddacbe8d3b5793497648866bfcb1f1481fe3350f3fe214d62af4fa3d4724","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_d25f5db2-bb59-45bc-b3c6-c6818fda8c16"},{"id":"occ_337cb1dd97ed6074b2784aca","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_ed677421-beac-4877-b473-82a7691c0f42","section_id":"sec_2a3a6d0a-9808-439b-8a3f-ae4dfe1c64d4","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":340,"end":342,"exact":"帯域","quote":"のまま潜在顧客となる。\n- **スポット市場：** 将来的には、特定のセル（例：クルーズ船や災害地域）における帯域幅を、リアルタイムで最も高い入札者にオークション販売するようなモデルも考えられる。","quote_start":285,"quote_end":383,"text_sha256":"c70584f55c84cdd5c9c2cd611c3c09c966b129899261953f8c50172db6e0590a","block_sha256":"c70584f55c84cdd5c9c2cd611c3c09c966b129899261953f8c50172db6e0590a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_ed677421-beac-4877-b473-82a7691c0f42"},{"id":"occ_17bfcd23070200073cd0f932","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2886f620-b098-4a80-b860-f8f5887df0f8","work_id":"wrk_791cb728-8e8d-48b0-a018-6a543c924cb4","block_id":"blk_f77a79be-cdc5-42c7-b9ae-346dbcf331d5","section_id":"sec_79a3456b-14fa-43dd-a1b9-e1c40609b112","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":151,"end":153,"exact":"帯域","quote":"バレッジを目指す 17。高利得アンテナにより、標準的なスマートフォンとのリンクを容易に確立し、少ない衛星数で高帯域幅アプリケーション（ビデオ、データ）をサポートする。\n- **Starlink（スワーム）：**\n  \n  1. Starlinkは数千機の衛星に依存している（SpaceXはすでに300機以上のDTC","quote_start":96,"quote_end":253,"text_sha256":"4041be846b8ba494d9ff3a88683bb6390f6d3df1a1d2dc86a15f7a41bf4ff0af","block_sha256":"4041be846b8ba494d9ff3a88683bb6390f6d3df1a1d2dc86a15f7a41bf4ff0af","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2886f620-b098-4a80-b860-f8f5887df0f8/#blk_f77a79be-cdc5-42c7-b9ae-346dbcf331d5"},{"id":"occ_d836a39ab5924f2173c05179","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_28e52d32-205e-4601-9fe8-535cce2d0600","work_id":"wrk_012e50f2-e203-488b-b14f-8859b652eece","block_id":"blk_49274f61-d8de-431f-8a48-aced937ae02d","section_id":"sec_df8e04b9-41db-49af-87b7-d4036cd8baec","layer":"body","character_id":null,"count":4,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":67,"end":69,"exact":"帯域","quote":"SMICの6nm（N+3系）での量産が想定され、BF16で約900TFLOPS級、HBM3により4TB/s級の帯域を狙うスペック像が報じられています。910C比で30～40％の効率向上をうたい、2025年後半の量産入り観測が主流です。  \n設計思想の肝は、次世代の“950”で公式に説明が進む**PR/DT（用途分","quote_start":12,"quote_end":169,"text_sha256":"f6fa004b4cc860a7453346685ffab556ebc5e57e1908032da2ef84d4b95a84f2","block_sha256":"f6fa004b4cc860a7453346685ffab556ebc5e57e1908032da2ef84d4b95a84f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_28e52d32-205e-4601-9fe8-535cce2d0600/#blk_49274f61-d8de-431f-8a48-aced937ae02d"},{"id":"occ_d778f83d0201b59ddec6ab9f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_28e52d32-205e-4601-9fe8-535cce2d0600","work_id":"wrk_012e50f2-e203-488b-b14f-8859b652eece","block_id":"blk_6bb566c7-754e-4bf4-85e7-1e75688e9320","section_id":"sec_064e52ff-6428-4fa6-b739-056d03c6707a","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":325,"end":327,"exact":"帯域","quote":"。  \n**含意**：\\*\\*HBMの内製と量産品質の確立が“最後の関門”\\*\\*であり、PR/DTの思想は“帯域とコストの按分最適”で当面を凌ぐ設計上の回答といえます。","quote_start":270,"quote_end":355,"text_sha256":"2f62e0625ad1cb4bf18b186f438437053246577fbb02e45cff319a76a605bad6","block_sha256":"2f62e0625ad1cb4bf18b186f438437053246577fbb02e45cff319a76a605bad6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_28e52d32-205e-4601-9fe8-535cce2d0600/#blk_6bb566c7-754e-4bf4-85e7-1e75688e9320"},{"id":"occ_39b8bb681fe8348b11e5a00c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_28e52d32-205e-4601-9fe8-535cce2d0600","work_id":"wrk_012e50f2-e203-488b-b14f-8859b652eece","block_id":"blk_ce6a38da-3fde-4dd9-8e22-fce68dc4e7e6","section_id":"sec_d0788bb2-8ae1-46e6-9e7f-9b5ef25e682c","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":124,"end":126,"exact":"帯域","quote":"国内推論インフラの裾野を拡大しています。\n2. **Ascend 920**は、**6nm／4TB/s級**の帯域と**PR/DTの用途分化**で、対中制約下の**推論～一部学習のギャップを埋める設計**です。\n3. **PR/DTの本質**は、\\*\\*HBM・帯域・I/O・データ型の“最適配剤”\\*\\*により、","quote_start":69,"quote_end":226,"text_sha256":"a59486f21b90d71bef1abf1ce929630ac57981bbfaf32704bacd996fdd9772f3","block_sha256":"a59486f21b90d71bef1abf1ce929630ac57981bbfaf32704bacd996fdd9772f3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_28e52d32-205e-4601-9fe8-535cce2d0600/#blk_ce6a38da-3fde-4dd9-8e22-fce68dc4e7e6"},{"id":"occ_47c1e49f703cffc5ef56000d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_28e52d32-205e-4601-9fe8-535cce2d0600","work_id":"wrk_012e50f2-e203-488b-b14f-8859b652eece","block_id":"blk_f2ec38cf-5729-4bf9-a047-14936f54e075","section_id":"sec_b3957c61-4805-44d9-8bdb-238f1f6c68e5","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":71,"end":73,"exact":"帯域","quote":"、中国専用の性能抑制版GPUを投入する戦略を取っています。2022年にA100の代替としてA800を、中国通信帯域を絞ったH100代替としてH800を発売しました。さらに**次世代「Blackwell」アーキテクチャの中国向けダウングレード版として、仮称「B20」チップを開発中**と報じられています[neuron","quote_start":16,"quote_end":173,"text_sha256":"e670d0d615ee9adcdcc2a3236ec26b6393d243dd0a4bfb4ebe45685d56e826b0","block_sha256":"e670d0d615ee9adcdcc2a3236ec26b6393d243dd0a4bfb4ebe45685d56e826b0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_28e52d32-205e-4601-9fe8-535cce2d0600/#blk_f2ec38cf-5729-4bf9-a047-14936f54e075"},{"id":"occ_a8a928593a14c5c10daabf50","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_28e52d32-205e-4601-9fe8-535cce2d0600","work_id":"wrk_012e50f2-e203-488b-b14f-8859b652eece","block_id":"blk_f7d8752f-9e2c-4397-86c7-6b479690b315","section_id":"sec_01da28b3-c6fb-4ce2-9ba6-f3cd09878259","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":90,"end":92,"exact":"帯域","quote":"の“現実解”として位置づけられます。公開情報では、FP16で約800TFLOPS、HBM3 128GB、メモリ帯域は3.2TB/s、TDPは約310Wと目され、ソフトウェアはCANN／MindSporeを中核にPyTorch／TensorFlow互換の運用を想定しています。NVIDIA H100（SXM）と比べま","quote_start":35,"quote_end":192,"text_sha256":"752194bff4aee491eadd10991dc08830bcd0c4c29a78f0a0fe752165f2fefd1a","block_sha256":"752194bff4aee491eadd10991dc08830bcd0c4c29a78f0a0fe752165f2fefd1a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_28e52d32-205e-4601-9fe8-535cce2d0600/#blk_f7d8752f-9e2c-4397-86c7-6b479690b315"},{"id":"occ_100c74bc26bf1723f611536c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":null,"section_id":null,"layer":"title","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"title","start":23,"end":25,"exact":"帯域","quote":"GPU行列・ベクトル演算、HBM、ネットワーク帯域","quote_start":0,"quote_end":25,"text_sha256":"ab9c5c2f9f5d7d74cef679b72e4f03374960f2b1e87d2dd664467b10988b674e","block_sha256":null,"offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/"},{"id":"occ_f9c0b4c00ed077c079dde0ac","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_00cb86d5-abb7-46cf-9d50-4e0b6f36a9c4","section_id":"sec_6d50508b-0ded-4476-9703-510805bc3917","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":10,"end":12,"exact":"帯域","quote":"**💡 HBMは、高帯域幅（High Bandwidth）と低消費電力を実現するメモリ技術で、主にGPUやAIアクセラレーター、HPC（ハイパフォーマンスコンピューティング）向けに設計されています。**","quote_start":0,"quote_end":101,"text_sha256":"60b5c63e565a6fe107e785fba18ca074179cdec0ff151cee4d8954f089c583a8","block_sha256":"60b5c63e565a6fe107e785fba18ca074179cdec0ff151cee4d8954f089c583a8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_00cb86d5-abb7-46cf-9d50-4e0b6f36a9c4"},{"id":"occ_ff23cacf26ffb18add7f4d39","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_057cd78e-0033-4b40-bec0-ebb45d7dab53","section_id":"sec_6d50508b-0ded-4476-9703-510805bc3917","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":14,"end":23,"exact":"Bandwidth","quote":"## 🔹 HBM（High Bandwidth Memory）とは？","quote_start":0,"quote_end":34,"text_sha256":"eb6c558f2af95198e95cb944350357bff2fbd74298d4108edea9d6cfa7948e78","block_sha256":"eb6c558f2af95198e95cb944350357bff2fbd74298d4108edea9d6cfa7948e78","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_057cd78e-0033-4b40-bec0-ebb45d7dab53"},{"id":"occ_e97ada188def2e45f077cfc9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_06b98f9d-8cf6-41aa-a1e4-f20e8c8c6784","section_id":"sec_f0ab0e6e-9999-42ca-a353-14ddb64b37d8","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":54,"end":56,"exact":"帯域","quote":"項目 GDDR HBM **用途** ゲーミング、一般的なグラフィックス AI/HPC、データセンター **帯域幅** 最大1.44TB/s（GDDR6X） 最大5.3TB/s（HBM3e） **消費電力** 比較的高い（広帯域・高クロック） 低い（3D積層設計） **コスト** 安価 高価 **配置** GP","quote_start":0,"quote_end":156,"text_sha256":"d817d450ff520af24b4088d105675b11d61b761ad1107f95d80f14caf061ca0a","block_sha256":"d817d450ff520af24b4088d105675b11d61b761ad1107f95d80f14caf061ca0a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_06b98f9d-8cf6-41aa-a1e4-f20e8c8c6784"},{"id":"occ_8f4a105099764d931ac23727","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_114f6d32-553b-436d-b0ec-222b4ad3126a","section_id":"sec_4d030976-a3dc-47ac-9f73-66fe1d1b53fa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":9,"end":11,"exact":"帯域","quote":"## ③ HBMの帯域","quote_start":0,"quote_end":11,"text_sha256":"83f5f02b0ef671235e8b09eeaa2d08b83bea7bde42be1e56c116bcc9bc950b69","block_sha256":"83f5f02b0ef671235e8b09eeaa2d08b83bea7bde42be1e56c116bcc9bc950b69","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_114f6d32-553b-436d-b0ec-222b4ad3126a"},{"id":"occ_929b02d53e53ddb9d9299faf","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_144ce437-6fb1-4c5b-9b95-372c68a23668","section_id":"sec_f7c098a0-9435-4a7a-b169-d6bf32ee1a8a","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":19,"end":21,"exact":"帯域","quote":"GPU HBM容量 HBM世代 メモリ帯域","quote_start":0,"quote_end":21,"text_sha256":"c17c0ff3deec3f1637f516610ce7cb3c1c17b771a9bad49d96947076d9f5f0b5","block_sha256":"c17c0ff3deec3f1637f516610ce7cb3c1c17b771a9bad49d96947076d9f5f0b5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_144ce437-6fb1-4c5b-9b95-372c68a23668"},{"id":"occ_642d0ca1115b6cddec224195","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_24806c2f-ea6c-405a-a391-3b119cb8599c","section_id":"sec_e4d463be-c63e-4047-a6e0-97bcaeaba69b","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":72,"end":74,"exact":"帯域","quote":"PUは、大量の並列演算を効率的に処理するために最適化されています。ここでは、**行列・ベクトル演算、HBM（高帯域幅メモリ）、ネットワーク帯域**の主要なポイントについて詳しく解説します。","quote_start":17,"quote_end":111,"text_sha256":"4e798e9a09bc2d544382c46c44a0750f0808df34441e884d218f0451ce2358dc","block_sha256":"4e798e9a09bc2d544382c46c44a0750f0808df34441e884d218f0451ce2358dc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_24806c2f-ea6c-405a-a391-3b119cb8599c"},{"id":"occ_fbf364cac6c321cfae156744","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_2508b985-fd1b-43e9-8584-d8730ae46fec","section_id":"sec_dbce5403-94a7-46c5-87fb-3b542509cf9a","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":94,"end":96,"exact":"帯域","quote":"*\n- **NVIDIA H100, AMD Instinct MI300X（HBM搭載）**\n- **メモリ帯域がボトルネックとなるAI推論に最適**","quote_start":39,"quote_end":115,"text_sha256":"d981ae9ca43e83488d059ff3f508879fb681bda8893b862fc4612736d84569ee","block_sha256":"d981ae9ca43e83488d059ff3f508879fb681bda8893b862fc4612736d84569ee","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_2508b985-fd1b-43e9-8584-d8730ae46fec"},{"id":"occ_b5894dfe7f31d2f206eba5b7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_2e64f53e-1ce0-4509-b890-a467872265ec","section_id":"sec_0650a7a0-5570-4327-a6e7-c422cf41482d","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":146,"end":148,"exact":"帯域","quote":"にはネットワーク処理と連携して動作するものがあります。これにより、AI推論において必要とされる**データの転送帯域とスループット**を支えると共に、**低レイテンシの推論**が実現されます。\n- **Broadcomの光ファイバ技術**：Broadcomは、ネットワークの帯域幅や帯域の効率的な使用を支える**光接","quote_start":91,"quote_end":248,"text_sha256":"edc2bb24495b4fda162c49005df6b91d5079ad6b79740d0e5c04322ac7d821f1","block_sha256":"edc2bb24495b4fda162c49005df6b91d5079ad6b79740d0e5c04322ac7d821f1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_2e64f53e-1ce0-4509-b890-a467872265ec"},{"id":"occ_effb8287c9398992e3835ef1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_2fc6fce3-f55a-42c0-a47c-f60455fb9a1e","section_id":"sec_78f32dbd-abdd-4593-8645-7083c2701dba","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":66,"end":68,"exact":"帯域","quote":"：Ethernet, InfiniBand, Fiber Channel などのデータ伝送方式を使用\n- **帯域幅**：\n  \n  - **10GBASE-SR**（光イーサネット）：10Gbps\n  - **400GBASE-DR4**（光イーサネット）：400Gbps\n  - **InfiniBand 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\n**GDDR5|** 8Gbps| 256bit |256GB/s| GTX 1080, Radeon RX 580|  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**HBM2 → HBM2E**：帯域幅向上（最大460GB/s）\n- **HBM3 → HBM3E**：帯域幅 **1.2TB/s** 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**HPC（スーパーコンピュータ）、AIクラスタ、低遅延サーバー間通信** |**高帯域・低遅延な直結通信**、RDMA技術、スイッチあり  \n  \n**光接続（光ファイバー）|** 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\n**PCIe 4.0**       最大16GB/s 一般的なGPU接続   \n**PCIe 5.0      ** 最大32GB/s 最新サーバー向け   \n**PCIe 6.0 ","quote_start":0,"quote_end":105,"text_sha256":"6ecc1c933d8baf166d0c3c9d6aa34a9ef612c26112030f2e465e1497ed6ea3c2","block_sha256":"6ecc1c933d8baf166d0c3c9d6aa34a9ef612c26112030f2e465e1497ed6ea3c2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_5b512c14-f0bf-4a69-a256-7ab5c43b8f67"},{"id":"occ_3f2d831328aad486f292f81e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_5e68e1ed-b5c1-4e1d-b4a2-52f9efdb77b7","section_id":"sec_b1eac62e-59df-41f1-bbc4-fedcdff2dd89","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":77,"end":79,"exact":"帯域","quote":"e Direct Memory Access）を使用し、TCP/IPを経由せずメモリ間で直接通信可能\n- **帯域幅**：\n  \n  - **NDR（NVIDIA Quantum-2）**：400Gb/s（50GB/s）\n  - **HDR**：200Gb/s（25GB/s）\n  - **EDR**：100Gb/","quote_start":22,"quote_end":179,"text_sha256":"e2d32813c94390b9d9c320cc6629b205c77afcdda8cd49d5fe258ae543f6a44a","block_sha256":"e2d32813c94390b9d9c320cc6629b205c77afcdda8cd49d5fe258ae543f6a44a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_5e68e1ed-b5c1-4e1d-b4a2-52f9efdb77b7"},{"id":"occ_cbe461c14ad228a54c468bdd","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_60b197d0-62e7-46e7-8973-3d61cb5b1495","section_id":"sec_ca474305-3e1a-4af3-9d46-590e525dcf71","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":55,"end":57,"exact":"帯域","quote":"**特徴** **HBM3** **GDDR6X** **バス幅** 1,024-bit 256-bit **帯域幅（1スタック）** 819 GB/s 96 GB/s **消費電力** **低い** **高い** **コスト** **高い** **安い** **用途** AI, HPC, データセンター 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A100）：600GB/s（12リ","quote_start":20,"quote_end":177,"text_sha256":"5a5b77a501dbc699188fd0887d0f24c803f66ed301c52d0eacf96f2ac6d14c45","block_sha256":"5a5b77a501dbc699188fd0887d0f24c803f66ed301c52d0eacf96f2ac6d14c45","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_76c8084a-eb70-46ee-a848-18211dfef892"},{"id":"occ_9c7bda3105a22146186654c5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_78aec8ca-4c28-4fce-b514-90f651b1d8be","section_id":"sec_e6ea3210-0884-42b1-b055-d8f6659409c1","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":59,"end":61,"exact":"帯域","quote":"細 **行列・ベクトル演算** GEMM（行列積）がAI学習で重要。Tensorコアで最適化   \n**HBM帯域** HBM3では最大819GB/s、HBM3eでは1.5TB/s超   \n**HBM容量** 80GB（NVIDIA H100）、192GB（AMD MI300X）   \n**ネットワーク帯域** ","quote_start":4,"quote_end":161,"text_sha256":"e710b3a7814619bdaeefc4c7b4d4e7a0de3f3593e2cc7142133749ef380c149c","block_sha256":"e710b3a7814619bdaeefc4c7b4d4e7a0de3f3593e2cc7142133749ef380c149c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_78aec8ca-4c28-4fce-b514-90f651b1d8be"},{"id":"occ_719d2d0d5c4bfbff0b21c945","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_7992f7c2-1b32-4961-8221-aca044db6be0","section_id":"sec_b41bdb28-4a08-4719-89a2-169114d2cad7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":28,"end":30,"exact":"帯域","quote":"**HBM世代** **発売年** **バス幅** **帯域幅（1スタック）** **最大容量（1スタック）** **使用製品  \n**   \n**HBM1** 2015年 1,024-bit 128 GB/s 4GB AMD Fiji (Radeon R9 ","quote_start":0,"quote_end":130,"text_sha256":"d3667ea65ccb442671d5773b899ddd61757bf612746c1169fab96b4e71b218bf","block_sha256":"d3667ea65ccb442671d5773b899ddd61757bf612746c1169fab96b4e71b218bf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_7992f7c2-1b32-4961-8221-aca044db6be0"},{"id":"occ_92a0b5ad4813fb7440468a11","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_79a9dda8-e0ea-43cb-a494-dabff5346eec","section_id":"sec_9c2c4241-9e47-4027-aa30-f7e650fe9f4e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":11,"end":13,"exact":"帯域","quote":"## ⑤ ネットワーク帯域","quote_start":0,"quote_end":13,"text_sha256":"79a358df9baa1dcc59b7569953b492d0c600cc8ae972e795c9a79a3f67735d16","block_sha256":"79a358df9baa1dcc59b7569953b492d0c600cc8ae972e795c9a79a3f67735d16","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_79a9dda8-e0ea-43cb-a494-dabff5346eec"},{"id":"occ_8b9936240a85a8fae492ffd5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_923aa23e-b02e-4b56-a229-bbe374d653d5","section_id":"sec_4d030976-a3dc-47ac-9f73-66fe1d1b53fa","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":4,"end":6,"exact":"帯域","quote":"HBMの帯域（転送速度）は、**メモリクロック × バス幅 × チャネル数**で決まります。  \n最新のHBMの帯域を以下に示します。","quote_start":0,"quote_end":67,"text_sha256":"05d66455c7a477e3661de62055c52be665c1059a1db8034cb0fad94d8d56e144","block_sha256":"05d66455c7a477e3661de62055c52be665c1059a1db8034cb0fad94d8d56e144","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_923aa23e-b02e-4b56-a229-bbe374d653d5"},{"id":"occ_33eeb5aa52f1d29505c4bbb1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_9466e994-959b-42aa-9807-1591ae7a94b4","section_id":"sec_416527c6-2b24-4e65-a05b-51914df3f784","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":52,"end":54,"exact":"帯域","quote":"最新の **GDDR6X** では、転送速度21Gbps（理論上最大24Gbps）まで達し、GPUメモリ帯域が大幅に向上しています。","quote_start":0,"quote_end":66,"text_sha256":"ea218e5f289d640e77b74d2bab222bd90c5db0aaffcfe83d604769c586c2d6e9","block_sha256":"ea218e5f289d640e77b74d2bab222bd90c5db0aaffcfe83d604769c586c2d6e9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_9466e994-959b-42aa-9807-1591ae7a94b4"},{"id":"occ_b90dbcb29b528480e14b892f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_9cabcbff-fcb0-4bd7-bc64-df6d20586137","section_id":"sec_9862df19-2a44-4b62-86e9-7f21248ed7ac","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":14,"end":23,"exact":"Bandwidth","quote":"## ② HBM（High Bandwidth Memory, 高帯域幅メモリ）","quote_start":0,"quote_end":40,"text_sha256":"576ffe8f5671a00a676aa3d6f4176be8616a485b2bd239936f5b5c066564b84a","block_sha256":"576ffe8f5671a00a676aa3d6f4176be8616a485b2bd239936f5b5c066564b84a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_9cabcbff-fcb0-4bd7-bc64-df6d20586137"},{"id":"occ_755a3f2201687cbf2b004ec5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_9d1e5932-a499-42b1-bf31-79082fc1903e","section_id":"sec_54659db2-07ac-4fa2-a926-aecedb2e749f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":75,"end":77,"exact":"帯域","quote":"net Protocol）、TCP（Transmission Control Protocol）など\n- **帯域幅**：一般的な100Mbps〜1Gbps、データセンターでは**10G, 25G, 40G, 100G, 400G Ethernet**\n- **遅延**：数マイクロ秒（μs）（標準Ethernet","quote_start":20,"quote_end":177,"text_sha256":"870b132898dd4de1c0dd97f97ae072136b4ce562ebe9903e3151d8db8277a698","block_sha256":"870b132898dd4de1c0dd97f97ae072136b4ce562ebe9903e3151d8db8277a698","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_9d1e5932-a499-42b1-bf31-79082fc1903e"},{"id":"occ_52168289ba57a2d882a0521f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_9fd1af31-2764-4d96-8284-daa177701843","section_id":"sec_7d6898a0-988d-4a95-8cc5-fcb73f95b44e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":78,"end":80,"exact":"帯域","quote":"ワーク上でRDMA（Remote Direct Memory Access）を動作させる技術であり、低遅延・高帯域の通信を実現するプロトコルです。","quote_start":23,"quote_end":96,"text_sha256":"74296d64645e6271704238b93d6e88431f93005a04197b381a1514c85a330860","block_sha256":"74296d64645e6271704238b93d6e88431f93005a04197b381a1514c85a330860","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_9fd1af31-2764-4d96-8284-daa177701843"},{"id":"occ_2fe6d8c1d843913899834e9d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_a0fa8720-2962-45a9-893c-f0ead8ceaef5","section_id":"sec_e0f1ca42-93d2-4468-b56f-63e15e5415dd","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":10,"end":12,"exact":"帯域","quote":"✅ **HBMは、広帯域かつ低消費電力なメモリ技術**  \n✅ **スタック構造 & TSVで超高速データ転送を実現**  \n✅ **AI、HPC、データセンターで標準化（NVIDIA H100, AMD MI300, Go","quote_start":0,"quote_end":112,"text_sha256":"29b795be99de6c95a4302eb7450ea5cc32159361b11be913de881d6abfd200ff","block_sha256":"29b795be99de6c95a4302eb7450ea5cc32159361b11be913de881d6abfd200ff","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_a0fa8720-2962-45a9-893c-f0ead8ceaef5"},{"id":"occ_29256aba410fd833f97313d4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_a53c4ee7-2c68-46a5-ab8d-a3a984ae0fce","section_id":"sec_269f3e24-fb91-4821-abd9-9e437e6375cf","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":5,"end":7,"exact":"帯域","quote":"- **広帯域（高いメモリ転送速度）**\n- **低消費電力**\n- **高密度メモリ（積層構造により省スペース）**","quote_start":0,"quote_end":59,"text_sha256":"2553fdfda1bd290a1cc6557d2d09492bbc1e8d4d932fd44d394c1a256163919b","block_sha256":"2553fdfda1bd290a1cc6557d2d09492bbc1e8d4d932fd44d394c1a256163919b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_a53c4ee7-2c68-46a5-ab8d-a3a984ae0fce"},{"id":"occ_291a0e59ef4e1709e2719c3a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_aaad5d6c-e555-453c-a3b2-be0ab2a9a14d","section_id":"sec_95aa3b9b-30b5-49ad-a10c-d388907b1d4d","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":9,"end":11,"exact":"帯域","quote":"特徴 説明 **高帯域幅** **GDDR6Xでは最大1.44TB/s** のメモリ帯域を提供し、AIや3Dレンダリングに適する **低遅延** GPUのリアルタイム処理を支えるため、高速なアクセスが可能 **広いバス幅*","quote_start":0,"quote_end":111,"text_sha256":"66d7830a06fa73e9ea0e17cd18e166c75cbd748ceaa2110747cc8120342c6fe0","block_sha256":"66d7830a06fa73e9ea0e17cd18e166c75cbd748ceaa2110747cc8120342c6fe0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_aaad5d6c-e555-453c-a3b2-be0ab2a9a14d"},{"id":"occ_7ea950a2b93dba6dd665d7c0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_c008d477-bd90-4fea-8a32-38673c37a5f6","section_id":"sec_4d030976-a3dc-47ac-9f73-66fe1d1b53fa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":37,"end":39,"exact":"帯域","quote":"最新のNVIDIA **H100 GPU**（HBM3搭載）の場合、メモリ帯域は**3.35TB/s**（80GB HBM3）に達します。","quote_start":0,"quote_end":69,"text_sha256":"60807dbea2c081767dde03d6209e38ff43acdcbb7603dbd611fde12d058cf8ac","block_sha256":"60807dbea2c081767dde03d6209e38ff43acdcbb7603dbd611fde12d058cf8ac","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_c008d477-bd90-4fea-8a32-38673c37a5f6"},{"id":"occ_82d7febf693d6fc8e0480ee2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_c1a4e4ec-f625-41e8-ba79-33fcb83dbce7","section_id":"sec_f0ab0e6e-9999-42ca-a353-14ddb64b37d8","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":22,"end":31,"exact":"Bandwidth","quote":"## ③ GDDRメモリとHBM（High Bandwidth Memory）の違い","quote_start":0,"quote_end":42,"text_sha256":"e8723d125913dd1f7e2c7dce63a8fa5fbdf80773b21ab54da437fccca4282622","block_sha256":"e8723d125913dd1f7e2c7dce63a8fa5fbdf80773b21ab54da437fccca4282622","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_c1a4e4ec-f625-41e8-ba79-33fcb83dbce7"},{"id":"occ_1c96ede4f9a731c07b3bac93","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_c696f8dd-673c-43ff-87e1-c9a977319533","section_id":"sec_62f841dc-4a4d-4d56-af85-e297536e53d3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":22,"end":24,"exact":"帯域","quote":"HBMは、**従来のGDDRメモリに比べて高帯域かつ低消費電力**なメモリ技術です。3D積層構造（スタック構造）を持ち、TSV（Through-Silicon Via）技術により、メモリ間の高速データ転送を実現します。","quote_start":0,"quote_end":109,"text_sha256":"7363033d2a7485cb90a8f6b0e749c1db8ba8b13259ca49ee593c15803b621e85","block_sha256":"7363033d2a7485cb90a8f6b0e749c1db8ba8b13259ca49ee593c15803b621e85","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_c696f8dd-673c-43ff-87e1-c9a977319533"},{"id":"occ_7056f0a16e9d7163169d1cf6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_d178ba48-07e6-41eb-8218-f431265c4355","section_id":"sec_be776e64-ce7f-4811-9798-2610831ce39e","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"✅ **超広帯域（High Bandwidth）**  \n✅ **スタック構造によるコンパクト設計**  \n✅ **低消費電力で高効率**  \n✅ **広いバス幅（1,024-bit以上）**  \n✅ **GPU、A","quote_start":0,"quote_end":108,"text_sha256":"202059b80107c0705d6d806aca794bc54a8e125da11f3645e09a5c89b02b7996","block_sha256":"202059b80107c0705d6d806aca794bc54a8e125da11f3645e09a5c89b02b7996","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_d178ba48-07e6-41eb-8218-f431265c4355"},{"id":"occ_0a46ea5df98085003f0e35f2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_d6c77f0b-136e-47a9-8a4b-4c2887140a1d","section_id":"sec_499a5d66-0ed4-4af6-a3b5-785e0bb56003","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":78,"end":80,"exact":"帯域","quote":"etネットワーク（L3）で実現する技術**  \n✅ **InfiniBandに匹敵する低遅延（1μs以下）、高帯域（400G以上）を実現可能**  \n✅ **データセンター、AI/HPC、高速ストレージ、HFTなど幅広い分野で活用**  \n✅ **Ethernetの既存インフラを活用できるため、InfiniBan","quote_start":23,"quote_end":180,"text_sha256":"01b362d6d26ce0d61863f898c0e907588690c4269f9883ca96256f56d7f3abfe","block_sha256":"01b362d6d26ce0d61863f898c0e907588690c4269f9883ca96256f56d7f3abfe","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_d6c77f0b-136e-47a9-8a4b-4c2887140a1d"},{"id":"occ_33b198acd420bc21b2c97960","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_d94f42e4-dae9-4703-9310-2cc122b9e982","section_id":"sec_d16e1c18-4366-4aea-87dd-89b53cb02701","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":15,"end":17,"exact":"帯域","quote":"私は無知でHBM、ネットワーク帯域の重要性を理解していなかった  \n理解どころか目を向けてさえいなかった","quote_start":0,"quote_end":52,"text_sha256":"46d5feefd4ea64c8df6efa910644d2c672be1c8749e4d29ee172ff3082d8374a","block_sha256":"46d5feefd4ea64c8df6efa910644d2c672be1c8749e4d29ee172ff3082d8374a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_d94f42e4-dae9-4703-9310-2cc122b9e982"},{"id":"occ_c3eeb6c8afffbaef68bb8a4e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_d9722fb8-7666-4f86-a995-d8239c988712","section_id":"sec_f0ab0e6e-9999-42ca-a353-14ddb64b37d8","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":66,"end":68,"exact":"帯域","quote":"ム・コンシューマ向け、HBMはAI・HPC向け**  \nGDDRの長所は「安価で広く使われる」ことですが、超高帯域を必要とするAIワークロードにはHBMの方が適しています。","quote_start":11,"quote_end":97,"text_sha256":"4bb255225e07a249fa0cd12cb3fe3bb491e416006416c214c8c6e8f138f62473","block_sha256":"4bb255225e07a249fa0cd12cb3fe3bb491e416006416c214c8c6e8f138f62473","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_d9722fb8-7666-4f86-a995-d8239c988712"},{"id":"occ_e11e4cfc7ff2f0c4ac581a83","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_eaed6ce3-54b5-47e8-9aba-7bb6102d818a","section_id":"sec_aa5cf723-c9b6-444e-abf4-066374abe475","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":56,"end":58,"exact":"帯域","quote":". **GDDR7（2025年頃登場）**\n   \n   - 転送速度 **32Gbps/ピン**\n   - 帯域幅 **最大1.6TB/s以上**\n   - **PAM4（Pulse Amplitude Modulation 4）** の導入により、省電力化と高速化\n2. **次世代ゲームやAIアクセラレーショ","quote_start":1,"quote_end":158,"text_sha256":"b9bcfc8bc775134d35a3e236b34a14d99a25802924ea5f91ebdbfd8725c96cae","block_sha256":"b9bcfc8bc775134d35a3e236b34a14d99a25802924ea5f91ebdbfd8725c96cae","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_eaed6ce3-54b5-47e8-9aba-7bb6102d818a"},{"id":"occ_53e8ce2def22a1eb25fcaacd","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_f382332b-4ca1-4404-b23b-ac5ce7047901","section_id":"sec_4d030976-a3dc-47ac-9f73-66fe1d1b53fa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"HBM世代 帯域幅（GB/s） バス幅（bit） スタックあたり最大容量  \n  \n**HBM1** 最大128GB/s 　　1024bit 　 4GB   \n**HBM2** 最大256GB/s 　　1024bit","quote_start":0,"quote_end":108,"text_sha256":"731dd098cea12ff07e4a63a66d122e5738932d19ea0083b0d6f6ad17b944d6a6","block_sha256":"731dd098cea12ff07e4a63a66d122e5738932d19ea0083b0d6f6ad17b944d6a6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_f382332b-4ca1-4404-b23b-ac5ce7047901"},{"id":"occ_69e476af089c7a046f09e07c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_ffcd2a8e-676c-4e1f-9e52-ef56da6dc070","section_id":"sec_78f32dbd-abdd-4593-8645-7083c2701dba","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":53,"end":55,"exact":"帯域","quote":"- 電磁干渉の影響を受けず、安定した通信が可能\n- 長距離通信が可能（数m〜数km）\n- 低レイテンシ、高帯域でAI/データセンターに最適","quote_start":0,"quote_end":69,"text_sha256":"92f0652f156d321c0b33a8cc93e9bff6e9fad5df9b062d1feb1b1a4c83eb2f89","block_sha256":"92f0652f156d321c0b33a8cc93e9bff6e9fad5df9b062d1feb1b1a4c83eb2f89","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_ffcd2a8e-676c-4e1f-9e52-ef56da6dc070"},{"id":"occ_df93344a247cc79f7fb9af1c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_32e0cca5-8b8f-45a6-b003-70e3baa05daa","section_id":"sec_3bb93f54-fe5c-4b6e-bcfd-3a542b01767b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":12,"end":14,"exact":"帯域","quote":"**第2層：CPUメモリ帯域**  \nDDR5、MRDIMM、CXL、メモリインターフェース、Rambus系。","quote_start":0,"quote_end":55,"text_sha256":"777f20fc511ea11991dc17057b203ebcada9fbfbc8cd426d4559769bb6b982db","block_sha256":"777f20fc511ea11991dc17057b203ebcada9fbfbc8cd426d4559769bb6b982db","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_32e0cca5-8b8f-45a6-b003-70e3baa05daa"},{"id":"occ_45b316a586803d033b080f5e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_455253bb-fa14-4ee2-92d1-b28a3c1dc37b","section_id":"sec_ac4d8870-8a91-469f-9618-98d6b795fd19","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":21,"end":26,"exact":"データ移動","quote":"## 限界2：CPUとTPU/LPUの間でデータ移動が発生する","quote_start":0,"quote_end":31,"text_sha256":"b38963faf8cddc5cca6b62f9ecdee355b24c8cbf23de5a8d44541b9c65e32a11","block_sha256":"b38963faf8cddc5cca6b62f9ecdee355b24c8cbf23de5a8d44541b9c65e32a11","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_455253bb-fa14-4ee2-92d1-b28a3c1dc37b"},{"id":"occ_96eb4274a66d0493eaed3b12","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_62e29739-a131-40c7-a5c9-3f727fd456c6","section_id":"sec_3895746e-8caa-4677-a4b1-13824b60e07d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":98,"end":100,"exact":"帯域","quote":"して説明しています。最大136個のNeoverse V3コア、DDR5-8800、コアあたり6GB/sのメモリ帯域、300W TDPなどを掲げ、AIデータセンターで多数の並列タスクをオーケストレーションするCPUとして位置づけています。([Arm](https://www.arm.com/products/clo","quote_start":43,"quote_end":200,"text_sha256":"215f78cb679bdedfd764fdd982fda916608305afc2456dcc7ac8f446e37ca243","block_sha256":"215f78cb679bdedfd764fdd982fda916608305afc2456dcc7ac8f446e37ca243","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_62e29739-a131-40c7-a5c9-3f727fd456c6"},{"id":"occ_081d4e64680470429e162454","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_78bb4868-3c35-4b1a-b178-5782a273decc","section_id":"sec_ac4d8870-8a91-469f-9618-98d6b795fd19","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":29,"end":34,"exact":"データ移動","quote":"CPUが制御し、TPU/LPUが推論する場合、処理のたびにデータ移動や同期が発生します。","quote_start":0,"quote_end":44,"text_sha256":"5fc8b88ba16a5a63bcc6557a9c75b8b37d809ee09c61a2b47f19a6a7778a26bb","block_sha256":"5fc8b88ba16a5a63bcc6557a9c75b8b37d809ee09c61a2b47f19a6a7778a26bb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_78bb4868-3c35-4b1a-b178-5782a273decc"},{"id":"occ_2b59001d8088fd27ebf2edc2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_7ccdff72-a689-497d-98d3-6cc203731388","section_id":"sec_e3f664ff-c753-4350-90a8-727fb8ca2b6a","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":96,"end":98,"exact":"帯域","quote":"U本体。  \n第二に、DDR5、MRDIMM、CXL、メモリインターフェース、RambusのようなCPUメモリ帯域関連。  \n第三に、PCIe、CXL、NIC、DPU/IPU、SmartNIC、MarvellやAstera Labsのような接続レイヤー。  \n第四に、SSD、分散KV cache、RAG基盤、デー","quote_start":41,"quote_end":198,"text_sha256":"6b85d44a4a8771a6dfcd159331aa459e49a709117a275c2687f6f9b441ff9213","block_sha256":"6b85d44a4a8771a6dfcd159331aa459e49a709117a275c2687f6f9b441ff9213","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_7ccdff72-a689-497d-98d3-6cc203731388"},{"id":"occ_02fcb2dcaa3ea8b2bf1ea0f2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_7cd3d71c-80f4-4db4-9bc6-a16a943ad2b0","section_id":"sec_08680118-4a6b-4d9f-90d3-034819f74579","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":26,"end":28,"exact":"帯域","quote":"```\n大量のスレッド\n同じ命令の並列実行\n高メモリ帯域\n行列演算\nテンソル計算\n高スループット\n```","quote_start":0,"quote_end":52,"text_sha256":"48a7ec8218eeb2d119ecd911efadaf2d81ad00d0e363a4bf88bc55da24364223","block_sha256":"48a7ec8218eeb2d119ecd911efadaf2d81ad00d0e363a4bf88bc55da24364223","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_7cd3d71c-80f4-4db4-9bc6-a16a943ad2b0"},{"id":"occ_a54a4b72d1941c2960d07306","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_f8da44e3-c1d4-4f7d-916c-f4f6e6a8ba28","section_id":"sec_e9619c79-dd44-466d-97e0-1b6ee9556141","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"```\n大量の小さな演算器\n多数のスレッド\n高いメモリ帯域\n単純な制御\n同じ処理を大量並列\nスループット重視\n```","quote_start":0,"quote_end":58,"text_sha256":"a3fd86388c73fb16a5b6f5145db7938841c2cffd5be5482aa8633fa324a43656","block_sha256":"a3fd86388c73fb16a5b6f5145db7938841c2cffd5be5482aa8633fa324a43656","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_f8da44e3-c1d4-4f7d-916c-f4f6e6a8ba28"},{"id":"occ_a65cf348539466d6a5c54f86","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2e5b712c-b120-4b45-91dd-33e6758666be","work_id":"wrk_c9d1ffd9-bc82-481f-b5ce-3dbca5dfe331","block_id":"blk_29861d09-5e77-46ee-b53c-79c6b4a51376","section_id":"sec_21c0fcf3-26a8-4952-be49-0dc340106424","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":89,"end":91,"exact":"帯域","quote":"周辺を拡張している。例えばDGX B200は、8GPUで合計1,440GBのGPUメモリと64TB/sのHBM帯域を備える。新世代の性能上の利点が、RLという用途によって消えるわけではない。([NVIDIA](https://www.nvidia.com/en-us/data-center/dgx-b200/))","quote_start":34,"quote_end":191,"text_sha256":"593408e79eb5b9a6d51fce3464ab0e4b6fc34e63d83d3098b25989399c272d73","block_sha256":"593408e79eb5b9a6d51fce3464ab0e4b6fc34e63d83d3098b25989399c272d73","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2e5b712c-b120-4b45-91dd-33e6758666be/#blk_29861d09-5e77-46ee-b53c-79c6b4a51376"},{"id":"occ_f4a9b02c51c2c673fb894662","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2e5b712c-b120-4b45-91dd-33e6758666be","work_id":"wrk_c9d1ffd9-bc82-481f-b5ce-3dbca5dfe331","block_id":"blk_a2e79fb3-c744-41bf-bc33-e53bb7485ca1","section_id":"sec_ac5a3b28-2a75-42b9-834a-d5ca28b8ff2f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":88,"end":90,"exact":"帯域","quote":"BMと同じ速度になることは別だ。Graceの公式仕様でも、CPU側のLPDDR5XとGPU側のHBMは、容量と帯域を分けて記載されている。どこにデータを置き、どれだけ移動させるかは依然として重要になる。([NVIDIA Docs](https://docs.nvidia.com/dccpu/grace-perf-","quote_start":33,"quote_end":190,"text_sha256":"277975acae5427b13687291c7a89ca8c4ec9cc15d04753164519fb6a3d3efb6d","block_sha256":"277975acae5427b13687291c7a89ca8c4ec9cc15d04753164519fb6a3d3efb6d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2e5b712c-b120-4b45-91dd-33e6758666be/#blk_a2e79fb3-c744-41bf-bc33-e53bb7485ca1"},{"id":"occ_1f2901d49d9a15bb60045ac0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2e5b712c-b120-4b45-91dd-33e6758666be","work_id":"wrk_c9d1ffd9-bc82-481f-b5ce-3dbca5dfe331","block_id":"blk_b01773a7-b00d-4ea5-8f5b-30b8e48c460e","section_id":"sec_ac5a3b28-2a75-42b9-834a-d5ca28b8ff2f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":60,"end":62,"exact":"帯域","quote":"200では、Grace CPUとHopper GPUをNVLink-C2Cで接続する。公称900GB/sの接続帯域に加え、CPUとGPUがメモリを一貫した形で扱える仕組みを備える。これは、CPUとGPUの間でデータを移したり、両方のメモリを利用したりする処理を意識した設計である。([NVIDIA](https:/","quote_start":5,"quote_end":162,"text_sha256":"e894969bc733bd5f86fe9dd59744e4dc24a46fd8590baca0af82d1798467ccf5","block_sha256":"e894969bc733bd5f86fe9dd59744e4dc24a46fd8590baca0af82d1798467ccf5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2e5b712c-b120-4b45-91dd-33e6758666be/#blk_b01773a7-b00d-4ea5-8f5b-30b8e48c460e"},{"id":"occ_085e5e100a922cb0e8b49aff","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2e5b712c-b120-4b45-91dd-33e6758666be","work_id":"wrk_c9d1ffd9-bc82-481f-b5ce-3dbca5dfe331","block_id":"blk_d13b0508-cb4c-4f7b-99e0-495b681f1411","section_id":"sec_5961df64-54ba-48b0-a321-c09f290f2a87","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":44,"end":49,"exact":"データ移動","quote":"例えば、x86が既存ソフトウェアの再現費用を下げることもあれば、Grace系の接続構造がデータ移動を改善することもある。Veraのように、エージェント環境を処理するCPU自体を改善する方向もある。TPUは、研究段階から学習と蒸留へ参加できる。これらは一つの勝者へ収束するというより、異なる制約への対","quote_start":0,"quote_end":149,"text_sha256":"5264c3f0678afcad2beabbd3a1ecb6d492a16f3bb518fde9bec25df8d79ea607","block_sha256":"5264c3f0678afcad2beabbd3a1ecb6d492a16f3bb518fde9bec25df8d79ea607","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2e5b712c-b120-4b45-91dd-33e6758666be/#blk_d13b0508-cb4c-4f7b-99e0-495b681f1411"},{"id":"occ_4cbb56258b37368437b2a5f8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2ed1383f-5c73-49bd-bd5b-f19deda1814c","work_id":"wrk_209cb693-e035-4d91-b959-d2a9b4df1de3","block_id":"blk_5ff74f37-8b16-4af5-95c0-4abefcc38862","section_id":"sec_520929c1-d9b5-43e8-befa-6be0b0c1b157","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":95,"end":97,"exact":"帯域","quote":"AIクラスタのLeaf、Spine、フロントエンド、バックエンド向けスイッチASICそのものを販売する。両社は帯域、SerDes、遅延、輻輳制御、消費電力をチップ段階から競っている。","quote_start":40,"quote_end":131,"text_sha256":"ef8049cef205e663b08e9ac98d649c4d748df91ef63060ad531954d74ffced45","block_sha256":"ef8049cef205e663b08e9ac98d649c4d748df91ef63060ad531954d74ffced45","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2ed1383f-5c73-49bd-bd5b-f19deda1814c/#blk_5ff74f37-8b16-4af5-95c0-4abefcc38862"},{"id":"occ_cc62ded707462ab8f03373df","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2ed1383f-5c73-49bd-bd5b-f19deda1814c","work_id":"wrk_209cb693-e035-4d91-b959-d2a9b4df1de3","block_id":"blk_6903b755-be04-4c05-a148-a8adb75ebb42","section_id":"sec_8d1afda5-7b6f-42ff-b8d0-5fd2fb1427ab","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":39,"end":41,"exact":"帯域","quote":"これはBroadcomのTomahawkが追求する、データセンター内部での最大帯域、低遅延、高ポート密度とは異なる技術である。","quote_start":0,"quote_end":63,"text_sha256":"036d9212a380ab42b3da82e774e0bd8f0eaa129f31783c77796701a583976686","block_sha256":"036d9212a380ab42b3da82e774e0bd8f0eaa129f31783c77796701a583976686","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2ed1383f-5c73-49bd-bd5b-f19deda1814c/#blk_6903b755-be04-4c05-a148-a8adb75ebb42"},{"id":"occ_b1f057fd2ba449b196844fb9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2ed1383f-5c73-49bd-bd5b-f19deda1814c","work_id":"wrk_209cb693-e035-4d91-b959-d2a9b4df1de3","block_id":"blk_9fb470f5-d6cf-4243-86e5-a5dc08b7adb3","section_id":"sec_ef6d4a7b-257e-457e-a482-45267e144372","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":234,"end":236,"exact":"帯域","quote":" |\n| LDP | OSPF・IS-ISの最短経路に沿ってMPLSラベルを配る |\n| RSVP-TE | 帯域や経路を指定したMPLSトンネルを作る |\n| Segment Routing | 入口で通過すべき命令の列をパケットへ付ける |\n| EVPN | BGPを使ってMAC、IP、テナント、接続地点を交","quote_start":179,"quote_end":336,"text_sha256":"6d94f4b5eef93a181ab10074c56f241d1630dce05ee5274632704541ecd44f56","block_sha256":"6d94f4b5eef93a181ab10074c56f241d1630dce05ee5274632704541ecd44f56","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2ed1383f-5c73-49bd-bd5b-f19deda1814c/#blk_9fb470f5-d6cf-4243-86e5-a5dc08b7adb3"},{"id":"occ_50bbd02d1acbf26554f648de","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_36dccc45-3c9a-4a5c-b672-2fe60fa7a34e","section_id":"sec_33726e59-03d1-4979-a87c-214084c91aa3","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":28,"end":30,"exact":"帯域","quote":"```text\nGPU / ASIC\n  ↓ 直結・超高帯域\nHBM\n  ↓ サーバー内メモリ\nDDR5 / MRDIMM / SOCAMM\n  ↓ 近傍ストレージ\nTLC / QLC eSSD\n  ↓ 推論高速化・巨大重み階層\nHBF / XL-FLASH\n","quote_start":0,"quote_end":130,"text_sha256":"0378c9f01451ed40ee3b6224f543cf2f4883cae13158a55f62de0dce07243972","block_sha256":"0378c9f01451ed40ee3b6224f543cf2f4883cae13158a55f62de0dce07243972","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_36dccc45-3c9a-4a5c-b672-2fe60fa7a34e"},{"id":"occ_b8dbbdf55778f9751af29224","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_84ea7bab-e86f-4df7-8737-d410477712ca","section_id":"sec_f598d189-aaf4-4aa7-a69f-d746c30db454","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":111,"end":113,"exact":"帯域","quote":"なる。QLC/TLCの通常NANDは容量単価が重要だが、XL-FLASHやHBFは容量単価ではなく、IOPS、帯域、GPU近傍配置、消費電力削減によって価格が決まる。そのため、一ビット単価は通常NANDより高くても、AI推論システム全体の費用対効果が合えば採用される。","quote_start":56,"quote_end":190,"text_sha256":"2014bc099202d8e8d2b415552884705a8a8b5d18642ec92459f36ec234aabddd","block_sha256":"2014bc099202d8e8d2b415552884705a8a8b5d18642ec92459f36ec234aabddd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_84ea7bab-e86f-4df7-8737-d410477712ca"},{"id":"occ_95c045605c08f6d64aa1aa87","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_35ce45f7-18dc-4fd9-90f1-01040dfe8822","work_id":"wrk_66096382-8b63-40cb-a42e-9ca851e790ea","block_id":"blk_0997178d-1490-4bef-94e3-434cb66edd79","section_id":"sec_b9ddb07a-f849-4b30-9c1c-381e5170a374","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":40,"end":42,"exact":"帯域","quote":"さらにNTTは、膜型構造と光フィードバックを組み合わせ、100GHzを超える変調帯域や256Gbit/s PAM4まで示しています。これは通常のCPO用CWレーザーとは異なる用途ですが、MQW利得と光閉じ込めの共同設計能力を示しています。(NTT Technical 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配線長を短縮できる\n- 配線容量を下げられる\n- RC遅延を減らせる\n- データ移動電力を下げられる\n- 帯域密度を上げられる\n- 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| NVLink/NVSwitch | Scale-up interconnect。GPU同士を極低遅延・高帯域で接続 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6では3.6TB/sへ拡張される。(nvidia.com)","quote_start":16,"quote_end":165,"text_sha256":"4110c145e161fc969dd5d01482f95ceea4efd634aea383cd18ef54962933dd24","block_sha256":"4110c145e161fc969dd5d01482f95ceea4efd634aea383cd18ef54962933dd24","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_402559ee-01e9-43f3-a0e9-719e30746fc3/#blk_9fadf6b6-19a7-45ed-a9ea-5a64e0200782"},{"id":"occ_8b3bd36254e68e29f679c96e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_402559ee-01e9-43f3-a0e9-719e30746fc3","work_id":"wrk_67925a7e-ce57-455f-b9a5-38cd3e4c1881","block_id":"blk_d7ca68d6-46c6-4b31-9312-e69b97279c42","section_id":"sec_850d022d-ec03-4bc2-b6b2-6fbf319f5756","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":4,"end":6,"exact":"帯域","quote":"実際には帯域と冗長性を確保するため複数Spineを並列化する。","quote_start":0,"quote_end":31,"text_sha256":"f6d5411a793aba4d67532948d5a057b03ea66a49cde6741f2d8ff675cbb0ef17","block_sha256":"f6d5411a793aba4d67532948d5a057b03ea66a49cde6741f2d8ff675cbb0ef17","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_402559ee-01e9-43f3-a0e9-719e30746fc3/#blk_d7ca68d6-46c6-4b31-9312-e69b97279c42"},{"id":"occ_64f08affea85691772072c9e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_402559ee-01e9-43f3-a0e9-719e30746fc3","work_id":"wrk_67925a7e-ce57-455f-b9a5-38cd3e4c1881","block_id":"blk_fb165574-280c-4e52-9b03-3d50c40829bc","section_id":"sec_2967ac71-e9a1-4b1a-af0a-d72de0e026d4","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":35,"end":44,"exact":"bandwidth","quote":"PCIe 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HBMはGPU専用の別種メモリーではなく、高帯域化したDRAMである\n- NVIDIAのCPUが2基のGPUに挟まれた配置は、高速接続のためのパッケージ構造である\n- GPU同士の通信が毎回CPUを通るわけではない\n- CPU側DRAMは、GPU側","quote_start":71,"quote_end":228,"text_sha256":"d612bf5e2b82a12b2448ea10f9d334c7b7cc32eadb346fdedbf2c84e775d9e6d","block_sha256":"d612bf5e2b82a12b2448ea10f9d334c7b7cc32eadb346fdedbf2c84e775d9e6d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_001f4a5d-1136-4e30-a209-a65e55e8adf7"},{"id":"occ_00426127c1d4c6c9e6fa8ebe","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_067d63a4-1c91-4b3a-9f6e-fc602686e66c","section_id":"sec_07de2a1b-2c38-4af9-a85c-821a3058048b","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":34,"end":36,"exact":"帯域","quote":"大量の演算器を同時に動かすため、GPUではCPU以上に大きなメモリー帯域が必要になる。そのためGPUの外部には、DDRよりも帯域の広いHBMやGDDRが使われる。","quote_start":0,"quote_end":81,"text_sha256":"9c397647a731c5105eaee478c95ef3774ddf461a91fc25e3986572d4f818a334","block_sha256":"9c397647a731c5105eaee478c95ef3774ddf461a91fc25e3986572d4f818a334","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_067d63a4-1c91-4b3a-9f6e-fc602686e66c"},{"id":"occ_9ccb379300bfbb31062ab403","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_16c9b1fd-3c48-40f4-af09-7adc693ce7ce","section_id":"sec_3948434c-1660-424a-9b68-0301780ee99f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":52,"end":54,"exact":"帯域","quote":"- 配線距離を短くする\n- 信号遅延をそろえる\n- 消費電力を抑える\n- パッケージを対称にする\n- 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外部DRAM | DDR・LPDDR | HBM・GDDR |\n| 重視するもの | 低遅延・汎用性 | 帯域・並列処理 |\n| 主な役割 | 制御、逐次処理 | 行列、ベクトル処理 |\n```","quote_start":120,"quote_end":219,"text_sha256":"7c4a6ae6bb51d6f0c54bb24b3c3446b4b60d63de83d7bcc0c7b9e6fea92bd18c","block_sha256":"7c4a6ae6bb51d6f0c54bb24b3c3446b4b60d63de83d7bcc0c7b9e6fea92bd18c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_55d736e5-39c3-4501-ac9e-2cd53dad8435"},{"id":"occ_d3514dc37b3b802b17abe99d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_5cd3bb8a-d305-4d74-a275-3fd0d8c5be58","section_id":"sec_20eb8d00-9fc9-4c85-bb19-57557870a499","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":10,"end":12,"exact":"帯域","quote":"HBMほど低遅延・高帯域ではないが、","quote_start":0,"quote_end":18,"text_sha256":"9c4d1876bdc74813252800da7c35ba494afc36c46214bbcf4276bec2ac117dba","block_sha256":"9c4d1876bdc74813252800da7c35ba494afc36c46214bbcf4276bec2ac117dba","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_5cd3bb8a-d305-4d74-a275-3fd0d8c5be58"},{"id":"occ_3548df378049b205a8c890e7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_641ef7cb-3154-45cc-a178-b776d58b74be","section_id":"sec_9b3c7345-5fed-4581-afb7-8d2e4afa8d2f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":16,"end":18,"exact":"帯域","quote":"- 非常に低遅延\n- 極めて広い帯域\n- 演算器のすぐ近くに置ける\n- DRAMのようなリフレッシュが不要","quote_start":0,"quote_end":53,"text_sha256":"1786d1896d0bc159caf4e83f8b26765a7f737e6237773a9929577e2624dce63a","block_sha256":"1786d1896d0bc159caf4e83f8b26765a7f737e6237773a9929577e2624dce63a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_641ef7cb-3154-45cc-a178-b776d58b74be"},{"id":"occ_96886e8ea66efe44beb37d29","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_6a7bf31f-8e9a-458f-9db3-d15162982017","section_id":"sec_20eb8d00-9fc9-4c85-bb19-57557870a499","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":9,"end":18,"exact":"Bandwidth","quote":"HBFはHigh Bandwidth Flashの略である。","quote_start":0,"quote_end":30,"text_sha256":"b879f704d266abf595538c6bd70d74f30abcef78e8e984490ceb1ae6e9bf4456","block_sha256":"b879f704d266abf595538c6bd70d74f30abcef78e8e984490ceb1ae6e9bf4456","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_6a7bf31f-8e9a-458f-9db3-d15162982017"},{"id":"occ_21f6e474b751ff9b9945ba61","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_72034d1e-d873-45e3-ab70-a9b9d1e81005","section_id":"sec_daa4bfbe-bc7d-4914-9c4a-44ae475a1880","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":72,"end":74,"exact":"帯域","quote":"みや中間データを何度もHBMから読み直さずに済む。したがって、必要なDRAM容量そのものよりも、必要なDRAM帯域やアクセス回数を減らせる。","quote_start":17,"quote_end":87,"text_sha256":"29627c4c14a130d260385c07f489274215a9c1754f45f539fc2c3673f1fae289","block_sha256":"29627c4c14a130d260385c07f489274215a9c1754f45f539fc2c3673f1fae289","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_72034d1e-d873-45e3-ab70-a9b9d1e81005"},{"id":"occ_6ba098dab3ee47024e559c8d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_8b433a0d-9f4d-499b-b5d5-97aa265d8340","section_id":"sec_07e25edc-7a88-498a-90d8-24c1e67ec925","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":9,"end":18,"exact":"Bandwidth","quote":"HBMはHigh Bandwidth Memoryの略で、DRAMダイを縦に積み重ね、GPUやAI ASICの近くに置くメモリーである。","quote_start":0,"quote_end":68,"text_sha256":"626e27d039cb45b6f94b87d2f2e40d7fad7d62070944e14b7d11d99ef2147326","block_sha256":"626e27d039cb45b6f94b87d2f2e40d7fad7d62070944e14b7d11d99ef2147326","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_8b433a0d-9f4d-499b-b5d5-97aa265d8340"},{"id":"occ_1e4438af7454a61cbe3f83ce","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_92d7b08e-9756-4140-8f45-e3e412b9d2bb","section_id":"sec_20eb8d00-9fc9-4c85-bb19-57557870a499","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":18,"end":20,"exact":"帯域","quote":"キオクシアは5TB、64GB/sの広帯域フラッシュモジュールを試作した。SanDiskはHBFについて、2026年後半のサンプル出荷と、2027年初めの推論デバイスの試作を目標としている。したがって、HBFは有望だが、まだHBMやSSDのよ","quote_start":0,"quote_end":120,"text_sha256":"742049d8b6297f1f748817f3d88d01c2476a53c6339a369778fc81421a26d65c","block_sha256":"742049d8b6297f1f748817f3d88d01c2476a53c6339a369778fc81421a26d65c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_92d7b08e-9756-4140-8f45-e3e412b9d2bb"},{"id":"occ_5f6316b7359b430f20caa50e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_a3ef7085-51de-40bf-9ccb-d2a327db1db9","section_id":"sec_9b3c7345-5fed-4581-afb7-8d2e4afa8d2f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":50,"end":52,"exact":"帯域","quote":"SemiAnalysisは、SRAMを「非常に高速だが低密度」、DDR DRAMを「高密度で安価だが帯域が小さい」、HBMをその中間でAI向けに適したメモリーと整理している。([SemiAnalysis](https://newsletter.semianalysis.com/p/scaling-the","quote_start":0,"quote_end":152,"text_sha256":"671da7d251dfb7e09cf3a48763344bde3ac89d72088fced749b91939e2cc8673","block_sha256":"671da7d251dfb7e09cf3a48763344bde3ac89d72088fced749b91939e2cc8673","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_a3ef7085-51de-40bf-9ccb-d2a327db1db9"},{"id":"occ_fe2d26511da39c14ad8cc56e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_ce5228e4-f0bb-4cf3-8fc0-1a44587b9320","section_id":"sec_7080e4fd-c9b5-4356-afd5-10b0d51a1fe7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":67,"end":69,"exact":"帯域","quote":"算器直近の超高速領域\n- **DRAM**はコンピューターの作業用メモリー\n- **HBM**はAI向けに超広帯域化したDRAM\n- **NAND**は電源を切っても残る保存用メモリー\n- **SSD**はNAND、DRAM、コントローラーを組み合わせた製品\n- **HDD**は安価なオンライン大容量保存\n- *","quote_start":12,"quote_end":169,"text_sha256":"5b42083d8a94a96967157eb23469bbf9bb2293beca134ef71d3292c6af7aa383","block_sha256":"5b42083d8a94a96967157eb23469bbf9bb2293beca134ef71d3292c6af7aa383","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_ce5228e4-f0bb-4cf3-8fc0-1a44587b9320"},{"id":"occ_7d629defe02870b07c679da6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_deccdab8-af23-4ac3-abee-d556f6d1bbbf","section_id":"sec_700e109a-5cda-4075-bdb7-55f10002694f","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":42,"end":44,"exact":"帯域","quote":"```\n演算器\n  ↑\nレジスタ\n  ↑\n小容量・超高速SRAM\n  ↑\n大容量・高帯域HBM\n  ↑\nホスト側DRAM\n  ↑\nSSD\n```","quote_start":0,"quote_end":72,"text_sha256":"e332631b266be7cd31dbb91c7e48c5956a284aff66e7a30c00aefb711a667a5a","block_sha256":"e332631b266be7cd31dbb91c7e48c5956a284aff66e7a30c00aefb711a667a5a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_deccdab8-af23-4ac3-abee-d556f6d1bbbf"},{"id":"occ_baaec98ed948dccf6ea942c5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_e3569e03-52f4-4492-b83f-86d414d286f2","section_id":"sec_3948434c-1660-424a-9b68-0301780ee99f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":23,"end":25,"exact":"帯域","quote":"NVLink-C2Cは、CPUとGPUの間で高帯域かつメモリーコヒーレントな通信を行うチップ間接続である。NVIDIAはGB200について、2基のBlackwell GPUと1基のGrace CPUをNVLink-C2Cで接続している。([NVIDI","quote_start":0,"quote_end":125,"text_sha256":"63a98e9ac4820faed3c9e09d64f3b636d02cb3824593c0f09c47c0e44872bf69","block_sha256":"63a98e9ac4820faed3c9e09d64f3b636d02cb3824593c0f09c47c0e44872bf69","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_e3569e03-52f4-4492-b83f-86d414d286f2"},{"id":"occ_56c84e801325327874a7e2d0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_2e53158b-a8b4-418b-9b30-1c224584fab4","section_id":"sec_a4a42fc3-e12d-45b8-b8b7-600893f68600","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":18,"end":20,"exact":"帯域","quote":"理論上は、垂直接続の本数を増やせば総帯域を増やせる。","quote_start":0,"quote_end":26,"text_sha256":"0a2b5be914198b426842333ccae18fc13a89bdfcf4684d5e530725bf2bb1f2c1","block_sha256":"0a2b5be914198b426842333ccae18fc13a89bdfcf4684d5e530725bf2bb1f2c1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_2e53158b-a8b4-418b-9b30-1c224584fab4"},{"id":"occ_96c513c9609a9ff19774e4db","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_38a609b6-80e2-44f6-87a4-b23322b4b9ca","section_id":"sec_b1e51e98-9f17-4a07-a857-bed833ac1cf9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":32,"end":34,"exact":"帯域","quote":"送信ドライバー、受信回路、レーン、クロック、リンクトレーニング、帯域密度、pJ/bit、そして外部SerDesとの違いを詳しく見ていく。","quote_start":0,"quote_end":68,"text_sha256":"7144e4bbfcac431c7615f3e2714eca7975da34caacff4ee0e28e0321f6ed6636","block_sha256":"7144e4bbfcac431c7615f3e2714eca7975da34caacff4ee0e28e0321f6ed6636","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_38a609b6-80e2-44f6-87a4-b23322b4b9ca"},{"id":"occ_51e28a371f0d10a37825b86d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_54c3df8a-2007-4f29-abcd-19f66cd9604d","section_id":"sec_a4a42fc3-e12d-45b8-b8b7-600893f68600","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":24,"end":26,"exact":"帯域","quote":"```\nTSVを増やす\n     ↓\n接続本数・帯域が増える\n\n同時に\n     ↓\n面積・応力・容量・検査負担も増える\n```","quote_start":0,"quote_end":64,"text_sha256":"ac341445dab46e101b340e2c0265111425626a114a25d8171690b24f1a8c38bd","block_sha256":"ac341445dab46e101b340e2c0265111425626a114a25d8171690b24f1a8c38bd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_54c3df8a-2007-4f29-abcd-19f66cd9604d"},{"id":"occ_e25ea02396d5bcdb3712a550","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_5a7f27dd-5379-49f9-a1d3-4cb3d12ddbd9","section_id":"sec_c612333f-474c-4d2e-bf0d-9691756f9a89","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":43,"end":45,"exact":"帯域","quote":"Samsungは、HBMをTSVベースの積層技術と広いインターフェースを組み合わせた高帯域メモリーとしている。([Samsung Semiconductor Global](https://semiconductor.samsung.com/dram/hbm/?utm_source=cha","quote_start":0,"quote_end":145,"text_sha256":"16405b21ed90324c5efc2ca9b0a5595fc188febcf9efbaff59834ab9c8ad8a30","block_sha256":"16405b21ed90324c5efc2ca9b0a5595fc188febcf9efbaff59834ab9c8ad8a30","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_5a7f27dd-5379-49f9-a1d3-4cb3d12ddbd9"},{"id":"occ_1fcebfc729994598efe23c6d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_aa6c0fee-faeb-41d4-8ca5-b6ad2998efc5","section_id":"sec_c612333f-474c-4d2e-bf0d-9691756f9a89","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":61,"end":63,"exact":"帯域","quote":"て多数のデータ線を垂直に並列接続できるため、外付けDDRのように各信号を極端な高速で動作させなくても、大きな総帯域を得られる。","quote_start":6,"quote_end":69,"text_sha256":"6ea583b17e2360c82a230d8346b981503f27d33b848832146e2928c5e0adf0c5","block_sha256":"6ea583b17e2360c82a230d8346b981503f27d33b848832146e2928c5e0adf0c5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_aa6c0fee-faeb-41d4-8ca5-b6ad2998efc5"},{"id":"occ_18a4f3d4268e2694e545e9f7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_acf324cf-553f-48e6-a225-eee066a3a3e9","section_id":"sec_a4a42fc3-e12d-45b8-b8b7-600893f68600","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":11,"end":13,"exact":"帯域","quote":"## TSVを増やせば帯域は無制限に増えるのか","quote_start":0,"quote_end":23,"text_sha256":"afd819716f5833336660ce16cb5931d72782e518a487611c93f4a69ae815440e","block_sha256":"afd819716f5833336660ce16cb5931d72782e518a487611c93f4a69ae815440e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_acf324cf-553f-48e6-a225-eee066a3a3e9"},{"id":"occ_68bb99618e6941926c8eb340","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_48a46dd8-5089-4a60-987b-dcda2b2ff37b","work_id":"wrk_e946941d-2715-4fb6-a635-d393a4db813b","block_id":"blk_04c2f86a-f23b-4c6d-b65f-a1e05163a605","section_id":"sec_a4de57ce-9bb7-4c39-ac04-a9a923eb1afe","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":8,"end":17,"exact":"Bandwidth","quote":"Network Bandwidth。","quote_start":0,"quote_end":18,"text_sha256":"da1248498267acf598e2a5204cd4da9edf1c0afd467a978e645d2311bbc021cd","block_sha256":"da1248498267acf598e2a5204cd4da9edf1c0afd467a978e645d2311bbc021cd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_48a46dd8-5089-4a60-987b-dcda2b2ff37b/#blk_04c2f86a-f23b-4c6d-b65f-a1e05163a605"},{"id":"occ_708c716cf20cbcba564942b7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_0df785bd-76f6-4b89-a920-082572595e74","section_id":"sec_cb796489-050b-4194-ba97-652588f3630b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":26,"end":28,"exact":"帯域","quote":"HBMは、DRAMダイを縦に積み、TSVで接続した高帯域メモリである。","quote_start":0,"quote_end":35,"text_sha256":"636f57c4131e03467397a09497246a96de533849f009262bd020c879a5884e6a","block_sha256":"636f57c4131e03467397a09497246a96de533849f009262bd020c879a5884e6a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_0df785bd-76f6-4b89-a920-082572595e74"},{"id":"occ_5031d58fe3dccc1f92e02914","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_269b1c26-1e8e-43ee-a029-62c4d5f18a79","section_id":"sec_022f7872-7378-4e09-880e-843283c9d19e","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":32,"end":34,"exact":"帯域","quote":"```\nHBFの方向性：\n・NANDを高並列化する\n・積層構造で帯域を増やす\n・GPU近傍に配置する\n・HBMより大容量にする\n・AI推論のKVキャッシュや巨大モデル向けに使う\n```","quote_start":0,"quote_end":92,"text_sha256":"dd7db7008e355970cb7ad74a120b6e9f255df835cecd169c7e65b4150e2496c2","block_sha256":"dd7db7008e355970cb7ad74a120b6e9f255df835cecd169c7e65b4150e2496c2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_269b1c26-1e8e-43ee-a029-62c4d5f18a79"},{"id":"occ_66d51f412e0de3ba92ef9249","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_324aeae1-72d8-4f8a-a157-dfe42fac89ac","section_id":"sec_5da28316-feae-4b10-bd2a-104aa7b999f0","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":44,"end":46,"exact":"帯域","quote":"Ayar LabsのTeraPHYは、UCIe対応の光I/Oチップレットとして8Tbps帯域を示しており、AI scale-upアーキテクチャ向けの光I/Oを狙っている。([Ayar Labs](https://ayarlabs.com/news/ayar-labs-unveils-worl","quote_start":0,"quote_end":146,"text_sha256":"1bc01b7ddfe7b90dc143f39d9c473aaa2eee346bf554bbae384758fd4c0ba361","block_sha256":"1bc01b7ddfe7b90dc143f39d9c473aaa2eee346bf554bbae384758fd4c0ba361","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_324aeae1-72d8-4f8a-a157-dfe42fac89ac"},{"id":"occ_1328af97f984ddfa452eed99","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_3a139b20-2021-4e6e-8728-a714b64f2889","section_id":"sec_8ab76917-d81d-4ff7-9055-f4d59cd6e5e2","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":54,"end":56,"exact":"帯域","quote":"```\nGPUがHBF/XL-FLASHへアクセスしたい\n↓\n容量はある\n↓\nしかし電気配線だと距離・電力・帯域が厳しい\n↓\n光I/Oでメモリプール/ストレージプールへ接続する\n```","quote_start":0,"quote_end":92,"text_sha256":"8d3869fbc3fc2aa4de8f94b365bdee83c3ce88919ef33e0f6676e69bcd00be79","block_sha256":"8d3869fbc3fc2aa4de8f94b365bdee83c3ce88919ef33e0f6676e69bcd00be79","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_3a139b20-2021-4e6e-8728-a714b64f2889"},{"id":"occ_e8dd44ee138bd3ce709508f0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_40a67780-a891-4753-89e2-2411665bc284","section_id":"sec_022f7872-7378-4e09-880e-843283c9d19e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":76,"end":78,"exact":"帯域","quote":"スト・高密度なCBAベースNAND技術を土台に、シリコン技術、設計技術、3Dスタックパッケージを組み合わせ、高帯域・高耐久・エネルギー効率を狙うAI推論向けメモリとして説明している。([SanDisk Documents](https://documents.sandisk.com/content/dam/ass","quote_start":21,"quote_end":178,"text_sha256":"e14ba5fefede90138bc1d18871cacd71de1db7ebd3562c73a1677042032a0f84","block_sha256":"e14ba5fefede90138bc1d18871cacd71de1db7ebd3562c73a1677042032a0f84","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_40a67780-a891-4753-89e2-2411665bc284"},{"id":"occ_4e1acd470eda7df8c40e0f1d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_45a1edf6-89bf-4705-8c5f-7cbbc9211afc","section_id":"sec_98e0b423-8842-48d2-81f7-35b75e03eaea","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":34,"end":36,"exact":"帯域","quote":"```\nASICから光変換点まで電気配線が長い\n消費電力が増える\n高帯域化で実装密度が厳しい\nDSP/リタイマ負担が重い\n```","quote_start":0,"quote_end":64,"text_sha256":"620e5682a387b7dfab1e36659b4297f9b357c1d8ed2f211cf050b2a0d08cbcb0","block_sha256":"620e5682a387b7dfab1e36659b4297f9b357c1d8ed2f211cf050b2a0d08cbcb0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_45a1edf6-89bf-4705-8c5f-7cbbc9211afc"},{"id":"occ_6dd32e1f0649d1c988719cef","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_56b7dc2e-efde-4e52-a11e-e7cbbfde0096","section_id":"sec_cb796489-050b-4194-ba97-652588f3630b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":116,"end":118,"exact":"帯域","quote":"リではなく、AI GPUの演算器にデータを供給する血流である。GPUの演算能力がどれだけ高くても、HBM容量・帯域・接続が弱ければ性能は出ない。","quote_start":61,"quote_end":133,"text_sha256":"12e2d1e20409febfbdd872e95b9661b229d8acbfb610346eacec64be27e916f4","block_sha256":"12e2d1e20409febfbdd872e95b9661b229d8acbfb610346eacec64be27e916f4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_56b7dc2e-efde-4e52-a11e-e7cbbfde0096"},{"id":"occ_81398ac118df9a99e4ac5123","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_63c96c4d-1299-451e-ace2-a99037092ac2","section_id":"sec_b096ef5b-f66e-4fc5-9e83-e096ae58fc36","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":23,"end":25,"exact":"帯域","quote":"```\nHBF / XL-FLASHのような高帯域・高密度NAND\nCPO / 光I/O / PIC / EIC\nTSMC COUPE\n```","quote_start":0,"quote_end":71,"text_sha256":"8d21dbed6ea379d67b63dd1672ef76dab8e48758db866d8cc12ad1f40a5989b7","block_sha256":"8d21dbed6ea379d67b63dd1672ef76dab8e48758db866d8cc12ad1f40a5989b7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_63c96c4d-1299-451e-ace2-a99037092ac2"},{"id":"occ_39031ff8827bd1736f92f9f9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_6e23e634-59f9-4fdd-b8fe-1dc74a8db2af","section_id":"sec_455be515-14f1-40ff-9ff7-af7c3296c588","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":136,"end":138,"exact":"帯域","quote":"pの電気インターフェース、着脱式ファイバーコネクタを組み合わせ、AIアクセラレータあたり最大100Tb/s級の帯域を狙うと報じられている。([Tom's Hardware](https://www.tomshardware.com/tech-industry/semiconductors/industrys-fi","quote_start":81,"quote_end":238,"text_sha256":"74de1be7c9e40976fad979576cff34bb20ffd60119d29051e3ec865f67ec5dec","block_sha256":"74de1be7c9e40976fad979576cff34bb20ffd60119d29051e3ec865f67ec5dec","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_6e23e634-59f9-4fdd-b8fe-1dc74a8db2af"},{"id":"occ_ebb87d4e9cd75fdd789336c2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_94df4925-7442-4dc7-ba2a-2172fcfdfb5f","section_id":"sec_1dceb7d9-154d-40e7-85e3-7fddb2b90522","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":26,"end":28,"exact":"帯域","quote":"HBMは、広いバス幅と短距離接続によって、非常に高い帯域を出す。  \nAI GPUでは、HBMが事実上の主記憶になっている。","quote_start":0,"quote_end":62,"text_sha256":"7873f4c17dd68bdb3eeee5c303a381e7e18a3134c79d7b66f5d3de2ce871d679","block_sha256":"7873f4c17dd68bdb3eeee5c303a381e7e18a3134c79d7b66f5d3de2ce871d679","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_94df4925-7442-4dc7-ba2a-2172fcfdfb5f"},{"id":"occ_09a43fdbaa61ad7d78680494","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_cf607e78-a853-4202-8c3f-4275227ccd2f","section_id":"sec_d8c3fb19-0992-4ebb-a4ba-317e2653833d","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":82,"end":84,"exact":"帯域","quote":"\n────────────────\n最速記憶層\nSRAM / キャッシュ\n────────────────\n高帯域主記憶層\nHBM\n────────────────\n近接大容量記憶層\nHBF / XL-FLASH / CXL Memory / AI SSD\n────────────────\nパッケージ統合層\nCo","quote_start":27,"quote_end":184,"text_sha256":"4304772e0479f88e67c3e75a9d0edfe7fabbad6d15569f762350fea21311c287","block_sha256":"4304772e0479f88e67c3e75a9d0edfe7fabbad6d15569f762350fea21311c287","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_cf607e78-a853-4202-8c3f-4275227ccd2f"},{"id":"occ_4c0fb3d18d30e764c36aa58b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_d998f8d1-6bc6-457c-a950-82758c377040","section_id":"sec_022f7872-7378-4e09-880e-843283c9d19e","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":11,"end":20,"exact":"Bandwidth","quote":"**HBF：High Bandwidth Flash** 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memoryが広がる可能性があります。","quote_start":0,"quote_end":35,"text_sha256":"f2fe3fd312b6ace4c1d4991dd3816f0e0addb334350f1bbb0ff587be17da4695","block_sha256":"f2fe3fd312b6ace4c1d4991dd3816f0e0addb334350f1bbb0ff587be17da4695","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_0674dea6-b0a3-41c5-8448-2ecc2edc48f2"},{"id":"occ_899477ea10ce5e9e5f2f6270","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_6ee196ea-a650-4571-b818-3a326f0390b1","section_id":"sec_10837634-d47e-475d-b2b5-f691ec1efa02","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":33,"end":42,"exact":"bandwidth","quote":"2026年7月に公開されたIntelの特許「Ultra high 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Global)","quote_start":55,"quote_end":170,"text_sha256":"a1044f424d1c38748f7b505e5aa662f4171f03d61fe0c702597a1be9b2b6e742","block_sha256":"a1044f424d1c38748f7b505e5aa662f4171f03d61fe0c702597a1be9b2b6e742","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_71bf8acb-2917-4085-a04b-5b6323e0a538"},{"id":"occ_79891f13d34190c6b477e863","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_834d37c1-d452-44bd-b36c-781912352de3","section_id":"sec_b9633fd9-6f97-4e7d-95b7-1bc8f69368d8","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":38,"end":40,"exact":"帯域","quote":"30%のwaferで13%のbitという数字は、HBMが容量効率を犠牲にして帯域と近接性を買っていることを示す。次の競争はbit/waferだけでなく、有効帯域、積層歩留まり、Logic統合を含むSystem効率へ移る。","quote_start":0,"quote_end":110,"text_sha256":"0efae9d37a20dc487e1ba0ee8dae46ddb84c6c6160ce6952f5917f67569fff35","block_sha256":"0efae9d37a20dc487e1ba0ee8dae46ddb84c6c6160ce6952f5917f67569fff35","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_834d37c1-d452-44bd-b36c-781912352de3"},{"id":"occ_0b222fea7c1598ffccab4f10","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_4eb110b8-6300-4d37-befb-7de1200dd0be","work_id":"wrk_34d11714-0800-4643-88ea-3e7aabfd2897","block_id":"blk_aeb120b1-208c-4c6a-b643-518b52992753","section_id":"sec_754e017b-fb31-47a9-b9a9-cfe3371063f7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":734,"end":736,"exact":"帯域","quote":"k Spine）で9台のNVLink Switch Tray に接続され、ラックから一歩も出ずにNVLinkの帯域（1.8TB/s）接続される  \n  \nそしてラック外の73個目のGPUと接続する時leafスイッチが出てくる  \nGB200のleafまでの経路は GPU からNVLink-C2C 経由で Grac","quote_start":679,"quote_end":836,"text_sha256":"7b35544ee6cb8040a99301ad420cac47f9f1044cf87722713f43c8656d121db1","block_sha256":"7b35544ee6cb8040a99301ad420cac47f9f1044cf87722713f43c8656d121db1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4eb110b8-6300-4d37-befb-7de1200dd0be/#blk_aeb120b1-208c-4c6a-b643-518b52992753"},{"id":"occ_00fc29adf0dbd53c01feaf5a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_04cba327-03fb-43ec-bbff-588a6cb00335","section_id":"sec_0e57d076-2e54-4017-bc0d-52c1a2b1d670","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":13,"end":15,"exact":"帯域","quote":"約0.4～3.0TB/sの帯域グレード","quote_start":0,"quote_end":19,"text_sha256":"09f3a4927bc9503ce261400dbb9b8f921162a30c5cb911dff80217a763f57dbc","block_sha256":"09f3a4927bc9503ce261400dbb9b8f921162a30c5cb911dff80217a763f57dbc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_04cba327-03fb-43ec-bbff-588a6cb00335"},{"id":"occ_300075746915048284e3d148","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_1c4b0403-0aea-46cb-a583-e910379cc959","section_id":"sec_3c6d1534-eb4b-4f9b-ba05-623f4f94625d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":49,"end":51,"exact":"帯域","quote":"8-Hiから12-Hiへ積層数を増やしても、外部I/O幅やピン速度が同じなら、容量は50％増えても帯域は50％増えるとは限らない。","quote_start":0,"quote_end":65,"text_sha256":"f57c60817e12287de9e6fcf862ebd246101487b0b24db3f2a143029fbb4e87d4","block_sha256":"f57c60817e12287de9e6fcf862ebd246101487b0b24db3f2a143029fbb4e87d4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_1c4b0403-0aea-46cb-a583-e910379cc959"},{"id":"occ_a785ad2d43a161fce0de1841","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_3adc03f2-101b-4830-a7e2-f23e49daa31d","section_id":"sec_3c6d1534-eb4b-4f9b-ba05-623f4f94625d","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":16,"end":18,"exact":"帯域","quote":"Micronも、HBM4の容量と帯域を別の指標として説明している。12-Hi HBM4は36GBで2.8TB/s超、16-Hi試作品は48GBへ容量が33％増えるが、それだけで帯域が33％増えるとは公表していない。(Micron Tec","quote_start":0,"quote_end":118,"text_sha256":"afed6e0826881b740bae75654157e2fac24a099c2123224e9119b5366e3e3e29","block_sha256":"afed6e0826881b740bae75654157e2fac24a099c2123224e9119b5366e3e3e29","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_3adc03f2-101b-4830-a7e2-f23e49daa31d"},{"id":"occ_3cb5721590fc9e514cc8e11c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_40d7b919-6a30-409e-95a0-8fad82a82797","section_id":"sec_9c64cf51-45e8-4b94-849e-e5f5a88cf00e","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":15,"end":20,"exact":"データ移動","quote":"ローカルHBMが十分なら、このデータ移動自体を省ける。","quote_start":0,"quote_end":27,"text_sha256":"7698dc704b6adaeb49f816396b77499ab588e2b394cc3b6fe42fbc8d3a8f2e5e","block_sha256":"7698dc704b6adaeb49f816396b77499ab588e2b394cc3b6fe42fbc8d3a8f2e5e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_40d7b919-6a30-409e-95a0-8fad82a82797"},{"id":"occ_a5f45b32ce546f5794987894","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_6bc0cabc-0750-4d76-bc0d-98a848d9963f","section_id":"sec_09cece99-ed3f-46f9-a6f3-5af830c1b0a4","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":9,"end":18,"exact":"Bandwidth","quote":"HBFはHigh Bandwidth Flashであり、NANDを多層積層し、多数の経路を並列に動かして高い総帯域を得る。","quote_start":0,"quote_end":61,"text_sha256":"ce2badc76afb708d811dc7a910e91ba6098309decd56bda7502d5bd4d0a7df9f","block_sha256":"ce2badc76afb708d811dc7a910e91ba6098309decd56bda7502d5bd4d0a7df9f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_6bc0cabc-0750-4d76-bc0d-98a848d9963f"},{"id":"occ_73d1c7b40e4b4ac301d37c2e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_7026af50-0923-40b9-9fd1-d225309e2271","section_id":"sec_3c6d1534-eb4b-4f9b-ba05-623f4f94625d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":3,"end":5,"exact":"帯域","quote":"容量と帯域は別","quote_start":0,"quote_end":7,"text_sha256":"39eaea74e0a8b1319f3620a798531f08fc5ecda8f5dff05ad3e05555e579f71f","block_sha256":"39eaea74e0a8b1319f3620a798531f08fc5ecda8f5dff05ad3e05555e579f71f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_7026af50-0923-40b9-9fd1-d225309e2271"},{"id":"occ_8b9cb46aa5fa5568e70895c0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_75902d9e-77f5-45c9-8ab2-656a39df4101","section_id":"sec_ffdda65a-ef64-4754-8940-735b6c912e19","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":13,"end":15,"exact":"帯域","quote":"RubinのローカルHBM帯域は、1GPU当たり最大22TB/sである。一方、NVLink 6のGPU間帯域は1GPU当たり3.6TB/sである。単純なピーク値ではローカルHBMが約6倍大きい。両者は測定対象も通信方向も異なるため","quote_start":0,"quote_end":115,"text_sha256":"382dfff544b88e40dddd78d8a29bfccea0052a4586690b8cff30f0b055eba293","block_sha256":"382dfff544b88e40dddd78d8a29bfccea0052a4586690b8cff30f0b055eba293","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_75902d9e-77f5-45c9-8ab2-656a39df4101"},{"id":"occ_da5fca88aee1ea9bdc9e78c3","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_77523aca-1c6a-4d89-b746-6d62b0e8be61","section_id":"sec_6d3ed103-9e85-401b-935d-5d5e82ca5ead","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":89,"end":91,"exact":"帯域","quote":" SOCAMM2の量産を開始している。SK hynix製品はLPDDR5Xを基盤とし、従来のRDIMMに比べて帯域が2倍超、電力効率が75％超改善するとされる。Micronも192GB品を含むSOCAMM2を量産し、Vera CPU当たり最大2TB、約1.2TB/sの構成を可能にすると説明している。(SK hyn","quote_start":34,"quote_end":191,"text_sha256":"7d3c03bdfc8d007a4eb7dd9a265f681712ba0405c8bd35ce3e8597e969c4e13d","block_sha256":"7d3c03bdfc8d007a4eb7dd9a265f681712ba0405c8bd35ce3e8597e969c4e13d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_77523aca-1c6a-4d89-b746-6d62b0e8be61"},{"id":"occ_1c9298f3a4da07b765e1e606","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_78e9bd34-43a6-4435-842e-cd04829ff4a4","section_id":"sec_2c870c3f-1a45-4f89-a8c0-2546ba09e286","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":35,"end":37,"exact":"帯域","quote":"通常のRubinはすでに最大288GBのHBM4と22TB/sのメモリ帯域を前提としている。さらにRubin Ultraでは12-Hi HBM4Eを基本案としながら、供給数量、認証、歩留まりの問題から8-HiやHBM4構成も評価されている。(NVIDIA Developer","quote_start":0,"quote_end":137,"text_sha256":"c12ec0e5877821acf2d6b52a5a302581c7bca8eab0c653e7c1a0c6cd569dbde8","block_sha256":"c12ec0e5877821acf2d6b52a5a302581c7bca8eab0c653e7c1a0c6cd569dbde8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_78e9bd34-43a6-4435-842e-cd04829ff4a4"},{"id":"occ_5d04c9ec31deafa63b44ad51","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_7d656d0d-2b8a-4603-becb-afff748bd869","section_id":"sec_989c3543-3b0b-4ee7-acfb-6db5df985897","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":104,"end":106,"exact":"帯域","quote":"-- | --- | --- |\n| HBM3E | 1スタック1.2TB/s超 | 24～36GB | 最高帯域、低遅延 | 最も高い |\n| HBM4 | 1スタック2.8TB/s超 | 世代・構成依存 | 2048bitバス | 極めて高い |\n| GDDR7 | 384bit構成で1.5TB/s超 | 数","quote_start":49,"quote_end":206,"text_sha256":"c07e822f1c34e5a0cc68b3caefeb727d0a25f67599affa1698c2d1aa3b799fb2","block_sha256":"c07e822f1c34e5a0cc68b3caefeb727d0a25f67599affa1698c2d1aa3b799fb2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_7d656d0d-2b8a-4603-becb-afff748bd869"},{"id":"occ_be07b102227eebb7b8018f68","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_87a9e698-af7a-4660-ba22-76df85e3db34","section_id":"sec_2c870c3f-1a45-4f89-a8c0-2546ba09e286","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"光接続は、この利点を消すものではない。ローカルHBMの帯域と遅延には及ばないが、HBMが不足するなかでGPU数を増やし、ラック全体のメモリを利用可能にするための補完技術である。","quote_start":0,"quote_end":88,"text_sha256":"b9b7a80ca8caff843155f05a4d2c308e963b279080ea1aac8ba123bc1f53deb0","block_sha256":"b9b7a80ca8caff843155f05a4d2c308e963b279080ea1aac8ba123bc1f53deb0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_87a9e698-af7a-4660-ba22-76df85e3db34"},{"id":"occ_e38d464f76d2e6eda5e1a1c9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_8b5e83e5-0f5a-4c73-b5bc-7ed206a1c748","section_id":"sec_8de1598f-a50a-4440-b6a7-7a0503898d23","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":165,"end":167,"exact":"帯域","quote":"AI PC、ロボット、エッジ |\n| 位置 | HBMとSSDの間 | LPDDRとUFSの間 |\n| 容量・帯域 | 最大512GB、0.4～3.0TB/s案 | 未公表 |\n| 接続 | UCIeを想定 | 未公表 |\n| 現状 | 標準仕様を策定中 | 技術コンセプト段階 |","quote_start":110,"quote_end":251,"text_sha256":"3e121c493955af9f1f799d6be706d34d94d3c5630e15974f4c7289d40d5a0525","block_sha256":"3e121c493955af9f1f799d6be706d34d94d3c5630e15974f4c7289d40d5a0525","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_8b5e83e5-0f5a-4c73-b5bc-7ed206a1c748"},{"id":"occ_fcea29a0fa0ffe7f6619e0bf","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_97d32837-ead2-49d7-9a13-971252ad45ca","section_id":"sec_8de1598f-a50a-4440-b6a7-7a0503898d23","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":93,"end":95,"exact":"帯域","quote":"として挙げ、スマートフォン、AI PC、ロボットなどのリアルタイム・エッジAI用途を想定している。ただし容量、帯域、遅延、価格、量産時期はまだ公表されていない。(Samsung Global Newsroom)","quote_start":38,"quote_end":143,"text_sha256":"d0c372b9aa5f58593cbeaf497d4b60dac219c515c89608c573ffee2ae7bfa518","block_sha256":"d0c372b9aa5f58593cbeaf497d4b60dac219c515c89608c573ffee2ae7bfa518","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_97d32837-ead2-49d7-9a13-971252ad45ca"},{"id":"occ_d2c500a0d14532efb00e3f32","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_9a0c06bc-26ba-4a69-a159-f0a90cfdbff7","section_id":"sec_6d3ed103-9e85-401b-935d-5d5e82ca5ead","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":53,"end":55,"exact":"帯域","quote":"通常のVera Rubin GPUは、1GPU当たり最大288GBのHBM4と、最大22TB/sの総メモリ帯域を持つ。NVIDIAは、長いコンテキストや対話型推論では実効メモリ性能がシステム効率を左右すると明記している。(NVIDIA Developer)","quote_start":0,"quote_end":128,"text_sha256":"a78a16cfd7982877464ae2af0cfec9e42bcf55a6701cc42167c8792c364f047f","block_sha256":"a78a16cfd7982877464ae2af0cfec9e42bcf55a6701cc42167c8792c364f047f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_9a0c06bc-26ba-4a69-a159-f0a90cfdbff7"},{"id":"occ_86b3ba7e4024c5e6c4188222","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_a728b8e1-ce5b-4881-a627-f2987ab275e1","section_id":"sec_989c3543-3b0b-4ee7-acfb-6db5df985897","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":58,"end":60,"exact":"帯域","quote":"DR5X、HBM3E、HBM4、GDDR7の公表値を見ると、DRAMは細かなアクセスと頻繁な書き換えに強く、高帯域を低遅延で供給できる。一方HBFは、同程度の総帯域を狙えても、アクセスの性質はNANDであり、DRAMと同一ではない。(Samsung Semiconductor Global)","quote_start":3,"quote_end":149,"text_sha256":"5fdf028cf379dd7068672d6c30f0dbfa285a6679b2a66e6472116d8efe13c71b","block_sha256":"5fdf028cf379dd7068672d6c30f0dbfa285a6679b2a66e6472116d8efe13c71b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_a728b8e1-ce5b-4881-a627-f2987ab275e1"},{"id":"occ_9c426c0317d969a6e067b3fd","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_d1f1d3be-5291-47eb-8511-cf0e5875769f","section_id":"sec_1c188503-b133-4fe5-9c99-1a23bc03e426","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":123,"end":125,"exact":"帯域","quote":"ォーム、コールドの各階層が必要になる。重要なのは一部品当たり搭載量ではなく、ラック全体で販売されるメモリ容量、帯域、接続の合計価値である。","quote_start":68,"quote_end":137,"text_sha256":"5a667578ffedc167aa8b1dd75236e4a5ce8cae72c4695626846ad6bb9fc25b03","block_sha256":"5a667578ffedc167aa8b1dd75236e4a5ce8cae72c4695626846ad6bb9fc25b03","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_d1f1d3be-5291-47eb-8511-cf0e5875769f"},{"id":"occ_202ae15e24001660c0e488e0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_d6f73216-8ecc-4ca4-b948-453237ca2e4f","section_id":"sec_0e57d076-2e54-4017-bc0d-52c1a2b1d670","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":9,"end":18,"exact":"Bandwidth","quote":"HBFはHigh Bandwidth Flashであり、NANDをHBMのように積層し、多数の並列経路によって高い合計帯域を得る技術である。","quote_start":0,"quote_end":70,"text_sha256":"05c0e9a7d59926b61183248f979fd9fbcc38b4d0d62e9fc4003af2abda72b067","block_sha256":"05c0e9a7d59926b61183248f979fd9fbcc38b4d0d62e9fc4003af2abda72b067","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_d6f73216-8ecc-4ca4-b948-453237ca2e4f"},{"id":"occ_bf6a4f45b4496d01744282bd","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_d802e550-a687-4ee4-b99b-e16972e09673","section_id":"sec_09cece99-ed3f-46f9-a6f3-5af830c1b0a4","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":37,"end":39,"exact":"帯域","quote":"これも製品単位が異なるため単純比較はできないが、HBFはローカルHBMの全帯域を置き換えるものではない。加えてNANDはDRAMよりアクセス遅延が長く、細かなランダム書き込みや頻繁な更新にも向かない。(SK hynix Newsroom)","quote_start":0,"quote_end":119,"text_sha256":"ef0246ead668a4acd081d8da0bc6dfe7edee09e758844d3cc0e35690bf27e0d2","block_sha256":"ef0246ead668a4acd081d8da0bc6dfe7edee09e758844d3cc0e35690bf27e0d2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_d802e550-a687-4ee4-b99b-e16972e09673"},{"id":"occ_43fc0842691e2bafa3f0f396","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_0d157ab2-3f9b-45c4-9976-ad7f2b4d8266","section_id":"sec_b6af5c36-53c1-4dd8-974f-ac00cc3a0af7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":44,"end":46,"exact":"帯域","quote":"ここで  \n「演算器はどれくらい並べるか」  \n「キャッシュはどう置くか」  \n「メモリ帯域はどれくらい必要か」  \n「GPUコア、メモリ制御、I/Oをどうつなぐか」  \nを決めます。","quote_start":0,"quote_end":92,"text_sha256":"da44a28e5c1b4e3f13f03738ddb44785b1317941de3b839fc399fff92a06f992","block_sha256":"da44a28e5c1b4e3f13f03738ddb44785b1317941de3b839fc399fff92a06f992","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_0d157ab2-3f9b-45c4-9976-ad7f2b4d8266"},{"id":"occ_4b60ff1dc1a4a38a60ff3718","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_511df6f2-b6dd-4f03-86cd-df0b68263b0b","section_id":"sec_11d791bf-9d28-4084-8220-950af7a27dd2","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":57,"end":59,"exact":"帯域","quote":"人は、  \n「どんなGPUにするか」  \n「どれくらい速くするか」  \n「電力はどこまで許すか」  \n「メモリ帯域はどれくらい必要か」  \nを決めます。","quote_start":2,"quote_end":78,"text_sha256":"df33f6b2e587a46e1203d929ed4880c129c3b99b61140c98b2a3135de376de25","block_sha256":"df33f6b2e587a46e1203d929ed4880c129c3b99b61140c98b2a3135de376de25","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_511df6f2-b6dd-4f03-86cd-df0b68263b0b"},{"id":"occ_5ed105912edc493e02dcedf9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_702c1365-e913-49af-a61a-44cdbf89518a","section_id":"sec_ab345c53-36d0-451c-88a5-6c3167ffcd84","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"「この世代は演算器をどれくらい増やすか」  \n「HBM帯域はこれで足りるか」  \n「NVLinkを何本にするか」  \n「消費電力上限の中で、どこに予算を振るか」","quote_start":0,"quote_end":80,"text_sha256":"1367d03cd98daee3b84c3cebc8ae85a8a81f8af7b874a72bed67f5ac2f9cec73","block_sha256":"1367d03cd98daee3b84c3cebc8ae85a8a81f8af7b874a72bed67f5ac2f9cec73","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_702c1365-e913-49af-a61a-44cdbf89518a"},{"id":"occ_6ecfd1e312acca0c3c7da02f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_7a6af168-341e-415a-a3ad-c0ae124e92bd","section_id":"sec_53c84022-b474-4011-94b8-d3848c7dae5b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"ここでは、容量、帯域、電力、レイテンシ、I/O構成、リフレッシュやトレーニングの成立性を決めます。  \nHBMになると、**ダイ単体ではなく多ダイ/先端パッケージ込み**で成立させる必要があるので、普通のDRAMより早い","quote_start":0,"quote_end":110,"text_sha256":"77464a6224703e407672eb607db1cee04d935b7b67f03538ccc16e0753f4ca2c","block_sha256":"77464a6224703e407672eb607db1cee04d935b7b67f03538ccc16e0753f4ca2c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_7a6af168-341e-415a-a3ad-c0ae124e92bd"},{"id":"occ_1db5f296eed31de46ca24e64","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_8134a205-4a50-4705-b3c4-c34085653a58","section_id":"sec_86d0e18d-d176-4bcb-a2c5-04e5829bb61b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":42,"end":44,"exact":"帯域","quote":"- ブロック同士の接続\n- クロックの違い\n- リセット順序\n- データ詰まり\n- 帯域競合\n- キャッシュ整合性\n- 電源管理","quote_start":0,"quote_end":64,"text_sha256":"4402d042a8a6ca1135fa490a1ee70bdf34e2ecec395c5503bd449fceec7f613c","block_sha256":"4402d042a8a6ca1135fa490a1ee70bdf34e2ecec395c5503bd449fceec7f613c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_8134a205-4a50-4705-b3c4-c34085653a58"},{"id":"occ_87eaad5d4a36c69fd142db2a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_89dc1929-315a-4dce-adda-761bbeb96ada","section_id":"sec_9b2ba8aa-0525-4a1e-a06a-95975d929f4b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":20,"end":22,"exact":"帯域","quote":"- 演算器をどれだけ並べるか\n- メモリ帯域をどこまで必要とするか\n- 消費電力と冷却をどう折り合うか\n- パッケージをどれだけ大型化するか  \n  といった大方針です。AI GPUでは、**GPU本体だけでなく HBM とパッケージまで含めて","quote_start":0,"quote_end":122,"text_sha256":"32bdae208779a54dddeb59aa072be7127158ba3a57e1b114315b361a6c211c09","block_sha256":"32bdae208779a54dddeb59aa072be7127158ba3a57e1b114315b361a6c211c09","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_89dc1929-315a-4dce-adda-761bbeb96ada"},{"id":"occ_cf1b96992a4ab73e396dbbd4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_e6017961-2625-42b9-9063-3104815a4006","section_id":"sec_68cd5b05-816f-4c97-8b82-82c6d4c6bbbb","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":18,"end":20,"exact":"帯域","quote":"- ブロック図\n- 性能予測表\n- 帯域試算\n- 電力予算表\n- 面積見積もり\n- シミュレーション結果\n- プレゼン資料や仕様書","quote_start":0,"quote_end":65,"text_sha256":"130e571c91160222d5d00466f1e6366b74c5101671b1c8e3f3cb8ac52efa7030","block_sha256":"130e571c91160222d5d00466f1e6366b74c5101671b1c8e3f3cb8ac52efa7030","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_e6017961-2625-42b9-9063-3104815a4006"},{"id":"occ_a13a32e5ffe89e79ec19bca5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_f89e5956-c8c6-41be-a760-a5f68d159274","section_id":"sec_ab345c53-36d0-451c-88a5-6c3167ffcd84","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":12,"end":14,"exact":"帯域","quote":"「このキャッシュ構成だと帯域が足りない」  \n「演算器を増やしてもメモリ側が詰まる」  \n「このままだと電力が枠を超える」","quote_start":0,"quote_end":61,"text_sha256":"221098269ddc6d4b7ac3d0e6c919a29a0d7f7528ae681115698d919c5b9d993b","block_sha256":"221098269ddc6d4b7ac3d0e6c919a29a0d7f7528ae681115698d919c5b9d993b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_f89e5956-c8c6-41be-a760-a5f68d159274"},{"id":"occ_9004332fa8e0417fb3aee372","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_03ba353b-7931-456c-a93b-b6dcc1041676","section_id":"sec_28fb2001-4dd5-4505-9516-8bb791ef8e2f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"### 推定例：Rubin UltraのHBM4e帯域（範囲推定）","quote_start":0,"quote_end":33,"text_sha256":"b39cfdb5978bbee00f21f2ef723945a9cf38f273c510365f25d386fd20355900","block_sha256":"b39cfdb5978bbee00f21f2ef723945a9cf38f273c510365f25d386fd20355900","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_03ba353b-7931-456c-a93b-b6dcc1041676"},{"id":"occ_09e957a393a2bc840b80f0cf","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_09b11f34-30b7-4b53-9c16-a0bbbdc2b9b9","section_id":"sec_effc304c-cb31-4efb-9de9-7430f24af086","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"H100の公称値で見ても、SXM版の **GPUメモリ帯域は 3.35 TB/s**、一方で **NVLink は 900 GB/s**、**PCIe Gen5 は 128 GB/s** です。つまり、同じGPUでも **GPU内部HBM \\> GPU間NV","quote_start":0,"quote_end":129,"text_sha256":"84f7cbe80d130d85d3891e67779627c81b278414027a6eb62adf5d4e65a560c3","block_sha256":"84f7cbe80d130d85d3891e67779627c81b278414027a6eb62adf5d4e65a560c3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_09b11f34-30b7-4b53-9c16-a0bbbdc2b9b9"},{"id":"occ_26029221cf2191ded1c96c2b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_0f8076be-2ce3-44dc-84b2-546a1027cf62","section_id":"sec_de4fb33b-0f5c-4c32-8abe-aabde45ca240","layer":"body","character_id":null,"count":4,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":10,"end":12,"exact":"帯域","quote":"第一に、HBM容量・帯域は今後も最重要です。RubinがHBM4で帯域2.8倍級（8→22TB/s）を公表したように、長文脈・MoE・推論経済性では帯域が直撃します。ただし、KV cacheは「容量も帯域も食う上に動的で断片","quote_start":0,"quote_end":112,"text_sha256":"6a977c5a47c824227519bf71a266860d4579a5ff297955f6817dd08d430ba89b","block_sha256":"6a977c5a47c824227519bf71a266860d4579a5ff297955f6817dd08d430ba89b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_0f8076be-2ce3-44dc-84b2-546a1027cf62"},{"id":"occ_d19fdf3f4a486c00241b27c4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_0fa7a211-5e70-4ed5-b5d9-610e2407c698","section_id":"sec_49f9d313-6d91-41a3-a73e-91edd278bb12","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":183,"end":185,"exact":"帯域","quote":"これは、推論が「長文脈＋対話＋多段推論（agentic）」の比率を増やし、GPUのピークFLOPSよりも「実効帯域」「通信」「ジッタ」が支配的になりがちな現実を反映したメッセージです（Rubin技術ブログでもachieved memory performanceが支配的と述べる）。","quote_start":128,"quote_end":269,"text_sha256":"2ba43ba708828b799d908eed7008ce313c2cfdf11ca9130e03afd357778127c4","block_sha256":"2ba43ba708828b799d908eed7008ce313c2cfdf11ca9130e03afd357778127c4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_0fa7a211-5e70-4ed5-b5d9-610e2407c698"},{"id":"occ_ce8a166aaeacd1cc13960d30","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_1390477f-0e16-4ff8-8bbe-6014d66c4ea1","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":167,"end":169,"exact":"帯域","quote":"V キャッシュや中間結果の受け渡しが発生します。しかも H100 SXM でも、NVLink は GPUメモリ帯域の約 **3.7分の1**、PCIe Gen5 は約 **26分の1** しかありません。つまりローカルHBMで読めば速いのに、別GPUやCPUから持ってくると急に細い道に入ります。そこで通信が律速に","quote_start":112,"quote_end":269,"text_sha256":"48b735a44d4e0e3094d724cd2170a3e8ba5b0f43df195fd0b78feb01a257ec17","block_sha256":"48b735a44d4e0e3094d724cd2170a3e8ba5b0f43df195fd0b78feb01a257ec17","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_1390477f-0e16-4ff8-8bbe-6014d66c4ea1"},{"id":"occ_a461203dcefcab6142acaf92","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_17586ad5-6037-42de-a8e2-81c5bf49b87f","section_id":"sec_28fb2001-4dd5-4505-9516-8bb791ef8e2f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":80,"end":82,"exact":"帯域","quote":"プ資料で「**HBM4e**」「**16S**」「**1TB級**」が語られますが、NVIDIA公式ページでの帯域値は未公表です。  \n推定の置き方は2通りあります。","quote_start":25,"quote_end":108,"text_sha256":"b2fee297886a55794efe12687e017afdf29e9d5bc94b45d085c0be5cadeb53ad","block_sha256":"b2fee297886a55794efe12687e017afdf29e9d5bc94b45d085c0be5cadeb53ad","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_17586ad5-6037-42de-a8e2-81c5bf49b87f"},{"id":"occ_27fe7a39fd2c357de00ade99","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_23b9cc54-2042-49c5-9e7d-edb19b895491","section_id":"sec_ac059bbb-dc4c-4bb9-92e8-e01d065e608e","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":112,"end":114,"exact":"帯域","quote":"ドは供給制約やコスト増を伴います。したがって2nm化は万能ではなく、同一消費電力枠での（a）HBMあたりの有効帯域、（b）NVLinkあたりの有効帯域、（c）SRAM/キャッシュ面積の確保、のどれが最もトークン/秒/ワットに効くかを世代ごとに見極める必要があります（RubinはHBM4＋NVLink6側に大きく振","quote_start":57,"quote_end":214,"text_sha256":"0ff8a786ade429a0cc598b8f57619ef775cf914d8d17bd901427ada181f089fc","block_sha256":"0ff8a786ade429a0cc598b8f57619ef775cf914d8d17bd901427ada181f089fc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_23b9cc54-2042-49c5-9e7d-edb19b895491"},{"id":"occ_ecae782bde2db9b222ed7f25","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_2d87021c-a5e7-4f36-a96b-845dfdb08b72","section_id":"sec_7800b888-0c3d-4203-83d5-f95d6e4a3b61","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":93,"end":95,"exact":"帯域","quote":"は「**4チップレット**＋**HBM4eで最大1TB級**」が語られていますが、**プロセスノードや実メモリ帯域などは公式には未公表**で、第三者報道にもばらつきがあります（例：2nm級を狙うという報道と、3nm級継続という観測が併存）。","quote_start":38,"quote_end":158,"text_sha256":"8684d6cd9e5f106cb763ed35cc0b22d32cde94b5dedee192d1e044dfa59fed19","block_sha256":"8684d6cd9e5f106cb763ed35cc0b22d32cde94b5dedee192d1e044dfa59fed19","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_2d87021c-a5e7-4f36-a96b-845dfdb08b72"},{"id":"occ_041c172ad68cf7173ed09554","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_34f26697-8744-4805-93fe-ec9b8361a61b","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":3,"matched_aliases":["bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":4,"end":6,"exact":"帯域","quote":"**実効帯域（effective bandwidth）** は、仕様書上の理論最大帯域ではなく、**実際のカーネルがどれだけ有効にデータを読んで書けたか**を表す値です。CUDA Best Practices G","quote_start":0,"quote_end":106,"text_sha256":"ec1d08f33bf1666c315bb99ea6208c79fb2d5d22286ac0473586781a33ac4fb6","block_sha256":"ec1d08f33bf1666c315bb99ea6208c79fb2d5d22286ac0473586781a33ac4fb6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_34f26697-8744-4805-93fe-ec9b8361a61b"},{"id":"occ_a52a7ebed56e70e3bed7419f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_46594834-a8bf-449c-ad2d-f5ef5426d710","section_id":"sec_628795fe-fcf9-4475-8b67-ac9c8c4c9777","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":101,"end":103,"exact":"帯域","quote":"ITL が悪くなりやすい中心理由です。NVIDIA は、長い出力列（OSL）が generation の **帯域・容量要求** を増やし、ITL を増やすとしています。 ([NVIDIA Docs](https://docs.nvidia.com/nim/benchmarking/llm/latest/para","quote_start":46,"quote_end":203,"text_sha256":"7670d97eed56f5248bcdc4906a5860cbdd770dbe96c4009213dc2636fe53e66e","block_sha256":"7670d97eed56f5248bcdc4906a5860cbdd770dbe96c4009213dc2636fe53e66e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_46594834-a8bf-449c-ad2d-f5ef5426d710"},{"id":"occ_ea09970a93a3080091897184","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_4780b850-25cc-4599-afaa-995d597885da","section_id":"sec_3b51abe6-0b27-4425-8551-dea67c06ab4d","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":219,"end":221,"exact":"帯域","quote":" token出力]\n                          ↑\n                 帯域・容量・ジッタが重い\n```","quote_start":164,"quote_end":235,"text_sha256":"966afae7fe78cdda6f5b386b7ecd30d696bd43bcaaab3c3e26b3575bd1d68050","block_sha256":"966afae7fe78cdda6f5b386b7ecd30d696bd43bcaaab3c3e26b3575bd1d68050","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_4780b850-25cc-4599-afaa-995d597885da"},{"id":"occ_91e55bb50d1cd8915b5373c0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_47ac20d2-3698-4b4d-9504-3c663ad74be2","section_id":"sec_b950962c-5326-403d-8a60-33ed3c81fd75","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":151,"end":153,"exact":"帯域","quote":"ンシは悪化しやすい**と説明しています。出力が長いケースでは、各リクエストの KV cache が膨らみ、**帯域と容量の取り合い**が起きやすくなります。 ([NVIDIA Docs](https://docs.nvidia.com/nim/benchmarking/llm/latest/metrics.htm","quote_start":96,"quote_end":253,"text_sha256":"541bf233629e2b70a142c6125fc6ebe753a414827d9459f76fb470073500aa3d","block_sha256":"541bf233629e2b70a142c6125fc6ebe753a414827d9459f76fb470073500aa3d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_47ac20d2-3698-4b4d-9504-3c663ad74be2"},{"id":"occ_c0450581c1fdaad837c90df1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_47c52812-d768-465f-bae0-bff141f2fa2d","section_id":"sec_03e3214c-ecb2-4e76-be2b-1a35f2ce53c0","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":173,"end":182,"exact":"bandwidth","quote":"**安定した ITL は efficient memory management・better memory bandwidth・efficient attention computation を示す**と説明しています。 ([NVIDIA Docs](https://docs.nvidia.com/nim/benchmark","quote_start":118,"quote_end":282,"text_sha256":"987cb2b1abf6acdc4b7bee56e93dd355d1de55025a1fa1bce1736c76db3b9dee","block_sha256":"987cb2b1abf6acdc4b7bee56e93dd355d1de55025a1fa1bce1736c76db3b9dee","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_47c52812-d768-465f-bae0-bff141f2fa2d"},{"id":"occ_4338cba34a2901732e03874e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_4f986651-f7af-4e25-a3ba-eedd0cc7f155","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":3,"matched_aliases":["bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":81,"end":83,"exact":"帯域","quote":"の処理ではその計算器へデータを十分な速さと安定性で届けられないことが多い**ので、ピークFLOPSよりも「実効帯域」「通信」「ジッタ」が支配的になりやすいです。NVIDIAの資料でも、GPU性能の律速要因は大きく **memory bandwidth・math bandwidth・latency** の3つだと整","quote_start":26,"quote_end":183,"text_sha256":"510a1532f5017a7a8714bec3823a50abd2ac1dcaa1cb38779be30526d31dbfb8","block_sha256":"510a1532f5017a7a8714bec3823a50abd2ac1dcaa1cb38779be30526d31dbfb8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_4f986651-f7af-4e25-a3ba-eedd0cc7f155"},{"id":"occ_987ef567be58970e1c79a3ad","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_5048ef72-b9ad-40d0-9140-1982731cb30d","section_id":"sec_32063747-1e88-45ef-a3d2-d800210f8413","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":155,"end":157,"exact":"帯域","quote":"、同一レイテンシでスループットを2～4倍改善し得ることを報告しています。これはハード側から見ると「HBM容量と帯域をKVのためにどれだけ効率よく使えるか」が重要になることを意味します。","quote_start":100,"quote_end":192,"text_sha256":"de02e39feb0a09c410033331300ec3587a5ffc390a98cb02d89512cf10f3f0c1","block_sha256":"de02e39feb0a09c410033331300ec3587a5ffc390a98cb02d89512cf10f3f0c1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_5048ef72-b9ad-40d0-9140-1982731cb30d"},{"id":"occ_f8eecf7704a88a3a11e9fee5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_50c7afb1-ce5a-4ff6-87b2-6868caa2f4e4","section_id":"sec_409e6cb8-dd7b-4ea8-9210-ad8f1d0a1609","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":39,"end":41,"exact":"帯域","quote":"```\n何もしない:\nKV cache がどんどん太っていく\n↓\nメモリ容量・帯域が苦しい\n↓\nITLが悪化しやすい\n\n改善策:\n- cacheを上手く分割管理する\n- cacheを圧縮する\n- 共有prefixは再利用する\n```","quote_start":0,"quote_end":116,"text_sha256":"870a4fbf0e85d5621987e7b84dd31e96e8726de7ece08d8c1c2656d965bf2c6b","block_sha256":"870a4fbf0e85d5621987e7b84dd31e96e8726de7ece08d8c1c2656d965bf2c6b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_50c7afb1-ce5a-4ff6-87b2-6868caa2f4e4"},{"id":"occ_e8d3383090e449aa57a4d752","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_5a239146-56fd-4617-acc7-671d52691200","section_id":"sec_bf654b73-0698-480e-984e-2665c64109fc","layer":"code","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"```\nピークFLOPS = エンジンの最大馬力\n理論帯域   = 道路の最大車線数\n実効帯域   = 実際に流れている車の量\n```","quote_start":0,"quote_end":67,"text_sha256":"093f46f80b9e7eefdbd66b2e87ecd8b715b3beabe875f6b98da3f33a0fec247a","block_sha256":"093f46f80b9e7eefdbd66b2e87ecd8b715b3beabe875f6b98da3f33a0fec247a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_5a239146-56fd-4617-acc7-671d52691200"},{"id":"occ_4b398beb50d0b4c6f509b1e1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_5d61f0df-3ae2-4196-ab32-fd53796016ae","section_id":"sec_effc304c-cb31-4efb-9de9-7430f24af086","layer":"body","character_id":null,"count":3,"matched_aliases":["bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":79,"end":88,"exact":"bandwidth","quote":"**all-reduce などの集団通信** で勾配をそろえる必要があります。NCCL 自体が、**peak bandwidth と minimal latency** を狙って ring や tree を最適化するライブラリとして説明されているので、裏を返せば学習のスケーリングでは **通信帯域と通信遅延** がボトルネック","quote_start":24,"quote_end":188,"text_sha256":"5e4e90a0ab109d086bc2f975c8a58211745416ab5ba86b1b0765f0929e75d6df","block_sha256":"5e4e90a0ab109d086bc2f975c8a58211745416ab5ba86b1b0765f0929e75d6df","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_5d61f0df-3ae2-4196-ab32-fd53796016ae"},{"id":"occ_b2ad2e819bbf36ede3b54342","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_69980066-6cb8-4ceb-a8a4-c4e05a6ee692","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":141,"end":143,"exact":"帯域","quote":"ll-reduce, all-gather, broadcast などの集団通信を担い、NVIDIA自身が「高帯域・低遅延」を目標に最適化していると説明しています。裏を返すと、分散学習やマルチGPU推論では、この通信が性能の中心課題になりやすいということです。 ([NVIDIA Developer](https:","quote_start":86,"quote_end":243,"text_sha256":"767fee72ce4ab54cc6b8e15052d71c6b35dc9a7508b2e23286fc00680c845057","block_sha256":"767fee72ce4ab54cc6b8e15052d71c6b35dc9a7508b2e23286fc00680c845057","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_69980066-6cb8-4ceb-a8a4-c4e05a6ee692"},{"id":"occ_16a31930af3464f5fedcdb09","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_69beb6ac-66e6-4125-8fc0-b9f5c4f64f51","section_id":"sec_e86ec918-95f0-4881-9436-50efa2ded003","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"### システム構成の比較（ラック/ドメインのメモリ・帯域・スケール）","quote_start":0,"quote_end":35,"text_sha256":"a4b3874153e11dddf86bef42c7fc7672785965a151533e3f633e2a1aba240779","block_sha256":"a4b3874153e11dddf86bef42c7fc7672785965a151533e3f633e2a1aba240779","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_69beb6ac-66e6-4125-8fc0-b9f5c4f64f51"},{"id":"occ_56bb234f5470bf66b6ea3e73","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_6aeba806-6527-4ee8-90bb-efdd6db75aca","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":81,"end":90,"exact":"bandwidth","quote":"イト数、(B\\_w) は書いたバイト数です。さらに NVIDIA は、requested/effective bandwidth と actual throughput を区別しており、その差を見ることで、非効率なアクセスや無駄な転送がどれだけあるかを推定できると説明しています。 ([NVIDIA Docs](https://","quote_start":26,"quote_end":190,"text_sha256":"e2d01e4a31eef50b0a7e93ae4b055462d52818beb98b087e161c1dc8c16a4683","block_sha256":"e2d01e4a31eef50b0a7e93ae4b055462d52818beb98b087e161c1dc8c16a4683","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_6aeba806-6527-4ee8-90bb-efdd6db75aca"},{"id":"occ_32bfc5d25bcbeebcee4a6bdb","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_6c2a7768-ea09-4530-9c0b-8db8400f48b9","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":17,"end":19,"exact":"帯域","quote":"ここで、**ピークFLOPSと実効帯域の違い**を感覚的に言うとこうです。  \nFLOPSは「工場の機械が1秒で何個加工できるか」。  \n帯域は「その機械に材料を運び込めるベルトコンベアの太さ」。  \n実効帯域は「実際の現場で、材料詰まり","quote_start":0,"quote_end":119,"text_sha256":"2d819998724b0647cc311323bc618509e3142498d475f1fbbc9c772fc590d196","block_sha256":"2d819998724b0647cc311323bc618509e3142498d475f1fbbc9c772fc590d196","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_6c2a7768-ea09-4530-9c0b-8db8400f48b9"},{"id":"occ_018f30a56e2dc52eb896e67d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_6d37bb1d-ecc0-4390-ab3d-6cdb5ff336a6","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":3,"matched_aliases":["bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":2,"end":4,"exact":"帯域","quote":"**帯域（bandwidth）** は、**1秒あたりにどれだけのデータを運べるか**です。単位は B/s, GB/s, TB/s です。H100 SXM の例では、GPUメモリ帯域は **3.35 TB/s","quote_start":0,"quote_end":104,"text_sha256":"3eb856503da677a4f924ec1c698649cbb51cd0ff3a116064f135493ded67f790","block_sha256":"3eb856503da677a4f924ec1c698649cbb51cd0ff3a116064f135493ded67f790","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_6d37bb1d-ecc0-4390-ab3d-6cdb5ff336a6"},{"id":"occ_5ea077d5f9cfce2761aff5a2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_78f2cc3d-6326-4522-bd54-e98f4f8ca38d","section_id":"sec_280b38d3-5262-4ad8-b96f-a2156984cc0d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":104,"end":106,"exact":"帯域","quote":"から decode は、派手な行列演算の“馬力勝負”というより、**大きくなり続ける過去を何度も読み返すメモリ帯域勝負**になりやすいです。NVIDIA も、この部分は一般に compute-bound ではないと書いています。 ([NVIDIA Docs](https://docs.nvidia.com/nim","quote_start":49,"quote_end":206,"text_sha256":"ec5acddd238ae67af41961e3c93c7b4f799b59de915a0b77962126b078ef5341","block_sha256":"ec5acddd238ae67af41961e3c93c7b4f799b59de915a0b77962126b078ef5341","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_78f2cc3d-6326-4522-bd54-e98f4f8ca38d"},{"id":"occ_14c84b79d366dd500d0aa43f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_7a9977fc-3498-46e8-9326-fce5de3eb7c1","section_id":"sec_4901810f-ce1a-4bdb-9336-2c20928c23ed","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":248,"end":250,"exact":"帯域","quote":"code では、**毎トークンごとに cache を読み書きし続ける** ため、計算器そのものより **メモリ帯域・容量・管理のうまさ** が効きやすい構造です。 ([NVIDIA Docs](https://docs.nvidia.com/deeplearning/tensorrt/latest/inferen","quote_start":193,"quote_end":350,"text_sha256":"8b0c3ec32930cfffab7025a759d6c481316fc4d0cf59de4d6433e7e261a6bdb3","block_sha256":"8b0c3ec32930cfffab7025a759d6c481316fc4d0cf59de4d6433e7e261a6bdb3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_7a9977fc-3498-46e8-9326-fce5de3eb7c1"},{"id":"occ_870749c8e7d8356ec7bd01db","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_84ac79d7-cd27-48fa-bc51-582596a9e1b4","section_id":"sec_c0105f77-e387-4beb-873e-d0a9c505b26b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":84,"end":86,"exact":"帯域","quote":"去」が増えていく**ことです。NVIDIA のベンチ資料でも、長い出力列は generation 段階で **帯域と容量の両方** のメモリ要求を増やし、その結果 **ITL を押し上げる**と説明されています。 ([NVIDIA Docs](https://docs.nvidia.com/nim/benchma","quote_start":29,"quote_end":186,"text_sha256":"466d3be762cf5657d3f01caddf182eeae520c5d649a90eef35c01f4c2ec6b872","block_sha256":"466d3be762cf5657d3f01caddf182eeae520c5d649a90eef35c01f4c2ec6b872","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_84ac79d7-cd27-48fa-bc51-582596a9e1b4"},{"id":"occ_2bd543ec56455acbfb7ca0a1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_91415268-d5fd-47b9-8e78-74dca222cde0","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":2,"matched_aliases":["データ移動","帯域"],"evidence":{"text_basis":"markdown","start":58,"end":63,"exact":"データ移動","quote":"なぜピークFLOPSよりこれらが支配的になるのか。  \n一番大きい理由は、**現代GPUの計算能力の伸び方が、データ移動の伸び方より速い**からです。H100 SXM は FP16/BF16 Tensor Core で **1,979 TFLOPS**、FP8 では **3,958 TFLOPS** ですが、メモリ帯域","quote_start":3,"quote_end":163,"text_sha256":"255069b847a1adfa67b29ab76ceab501cb5a5f8f7f8cc1e9eea60d39470504bb","block_sha256":"255069b847a1adfa67b29ab76ceab501cb5a5f8f7f8cc1e9eea60d39470504bb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_91415268-d5fd-47b9-8e78-74dca222cde0"},{"id":"occ_420d32d6582056c797140f3e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_99573ad5-2ec6-462c-b1be-1099f454d9fb","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":3,"matched_aliases":["データ移動","帯域"],"evidence":{"text_basis":"markdown","start":41,"end":43,"exact":"帯域","quote":"最後にひとことで言うと、  \n**ピークFLOPSは「理想状態での演算上限」、実効帯域・通信・ジッタは「現実の詰まり方」を表す数字**です。  \n実務で性能を決めるのは、しばしば後者です。特に AI では、要素演算・正規化・小バッチ・分散同期・GPU間転送のように、**計算よりデータ移","quote_start":0,"quote_end":143,"text_sha256":"0e75581209936b33e56f5d0462ddbd723e722a9ed8fdc096f804e85622fb2343","block_sha256":"0e75581209936b33e56f5d0462ddbd723e722a9ed8fdc096f804e85622fb2343","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_99573ad5-2ec6-462c-b1be-1099f454d9fb"},{"id":"occ_5253bdb2d96ab11935a61871","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_9a04edd8-cb6b-44dc-a883-ab2ba0e10294","section_id":"sec_de4fb33b-0f5c-4c32-8abe-aabde45ca240","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":21,"end":23,"exact":"帯域","quote":"Rubin PODが「KV cacheを高帯域ストレージ層へオフロードし、トークン/秒を最大5倍」と述べるのは、まさにKVが第一級データ型になったことの表明です。","quote_start":0,"quote_end":81,"text_sha256":"1a4e25460b56bbe955cb412f8ad3e605b5833decc7260294e16b3249be0d14c1","block_sha256":"1a4e25460b56bbe955cb412f8ad3e605b5833decc7260294e16b3249be0d14c1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_9a04edd8-cb6b-44dc-a883-ab2ba0e10294"},{"id":"occ_b2a13a5059b62b8456577d77","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_9eaee1c7-f952-487d-b227-d819ef1bde2a","section_id":"sec_5a39290e-627a-48ff-9eba-191db682f52c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":175,"end":177,"exact":"帯域","quote":"aは2027のシステム計画（NVL576やKyber）自体は公式ブログで語られる一方、チップの製造プロセスや実帯域は公表が限定され、第三者推定の領域が残ります。","quote_start":120,"quote_end":200,"text_sha256":"4cfeb608915c0d244d303ea46ba11b345a04e0f61125562d4405ce397a7f5701","block_sha256":"4cfeb608915c0d244d303ea46ba11b345a04e0f61125562d4405ce397a7f5701","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_9eaee1c7-f952-487d-b227-d819ef1bde2a"},{"id":"occ_af8a09acc9ed7b6412f2e0da","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_a1aeb90d-4f91-46ab-b063-c548715caf43","section_id":"sec_7b7127aa-a97e-4d44-98df-eaca5f5a8520","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":22,"end":24,"exact":"帯域","quote":"ここでは、手法の採用が「HBM容量」「HBM帯域」「オンチップSRAM」「スケールアップ/スケールアウト通信」「レイテンシ（特にTTFT/TPOT）」「演算密度」に与える影響を、一次文献中心に整理します。","quote_start":0,"quote_end":102,"text_sha256":"546a2a051454ec384576d7ba12af11018e224538fddc7f59b1638fcc383866c8","block_sha256":"546a2a051454ec384576d7ba12af11018e224538fddc7f59b1638fcc383866c8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_a1aeb90d-4f91-46ab-b063-c548715caf43"},{"id":"occ_942d79a78392f194980169d2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_a580f24b-50ce-4d73-939b-489c6ebbccf5","section_id":"sec_4901810f-ce1a-4bdb-9336-2c20928c23ed","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":52,"end":54,"exact":"帯域","quote":"なので、**「毎回の計算は小さいのに、読むべき履歴はだんだん増える」** という構造になりやすく、ここで帯域が効いてきます。NVIDIAのベンチ資料でも、長い出力では KV cache のメモリコストが成長し、安定した inter-token latency は効率のよいメモリ管理や帯域利用を示す、とされて","quote_start":0,"quote_end":154,"text_sha256":"597080fd39996324752edd4afdd7759f6b87f03d9a363a1562d65e8a39c00620","block_sha256":"597080fd39996324752edd4afdd7759f6b87f03d9a363a1562d65e8a39c00620","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_a580f24b-50ce-4d73-939b-489c6ebbccf5"},{"id":"occ_bfffc6fb90ae3266263472ca","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_a6f15856-b4d7-4e0a-8752-3a8523a8d0b0","section_id":"sec_3b51abe6-0b27-4425-8551-dea67c06ab4d","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":29,"end":31,"exact":"帯域","quote":"```\n学習で見たいもの\n- FLOPS利用率\n- HBM帯域利用率\n- all-reduce時間\n- 通信待ち時間\n- スケーリング効率\n\n推論で見たいもの\n- TTFT\n- ITL\n- TPS\n- queueing\n- KV cache使用量\n- laten","quote_start":0,"quote_end":131,"text_sha256":"5850b0a1b13b5cd4e4715c513e26cf9d11b7e5760b18823fea8805aaf2569b0b","block_sha256":"5850b0a1b13b5cd4e4715c513e26cf9d11b7e5760b18823fea8805aaf2569b0b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_a6f15856-b4d7-4e0a-8752-3a8523a8d0b0"},{"id":"occ_4d4c1b5a94e0cc42ec5e800d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_a736776b-56e9-4a01-9d32-fe15abd4515e","section_id":"sec_9357ac92-e891-4ddf-b7de-7019f4998644","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":128,"end":130,"exact":"帯域","quote":" \n推定：288GB ÷ 36GB/stack = **8 stacks**。  \nこのとき、Rubinの公表帯域22TB/sなら 22 ÷ 8 = **2.75TB/s/stack**で、Micronが示す2.8TB/s超/stackと近い。  \nよって「36GB級×8スタック」が最も整合する、というのが推定ロ","quote_start":73,"quote_end":230,"text_sha256":"a1feda95f5296551133bd19cbbea2669ac189c0f8042f27572f376750a3a585a","block_sha256":"a1feda95f5296551133bd19cbbea2669ac189c0f8042f27572f376750a3a585a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_a736776b-56e9-4a01-9d32-fe15abd4515e"},{"id":"occ_77d9acf1dc3264b09856467d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_aaa0fb5e-d6d8-4c27-840a-c6f4a8db64b9","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":214,"end":216,"exact":"帯域","quote":"AWS も jitter は latency の変動だと説明しており、NCCL でも低遅延アルゴリズムや、逆に帯域優先のリング設定など、**帯域と遅延をトレードオフする設計**があることがわかります。つまり大規模システムでは「平均性能」より「待たされるばらつき」が全体を支配しやすいです。 ([Amazon Web","quote_start":159,"quote_end":316,"text_sha256":"e9deb41c1b7f07087678f96c1705bc495f2c3c608bf99e7b7d92e7e8e119c2cf","block_sha256":"e9deb41c1b7f07087678f96c1705bc495f2c3c608bf99e7b7d92e7e8e119c2cf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_aaa0fb5e-d6d8-4c27-840a-c6f4a8db64b9"},{"id":"occ_19f730c3a4bc15bc49bd48f9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_add73d74-9359-417d-b475-d202ccad299a","section_id":"sec_788a1c87-b25f-4fbe-bc03-93c4ac198054","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":213,"end":218,"exact":"データ移動","quote":"れば memory が律速だと整理されています。つまり compute-bound は、ざっくり言えば **「データ移動より計算のほうが先に限界に当たっている状態」** です。 ([NVIDIA Docs](https://docs.nvidia.com/deeplearning/performance/dl-perf","quote_start":158,"quote_end":318,"text_sha256":"cf77a3921820d0e90894ff99a3db6fdb53fb506610ac982b4ca2a436818aeda6","block_sha256":"cf77a3921820d0e90894ff99a3db6fdb53fb506610ac982b4ca2a436818aeda6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_add73d74-9359-417d-b475-d202ccad299a"},{"id":"occ_47925b1eff8e94c7525627b1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_ae42a556-a329-4425-ab79-271373ce8d61","section_id":"sec_762d8945-69b6-40b3-bf09-1ea280043b37","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":4,"end":6,"exact":"帯域","quote":"### 帯域・スループット・レイテンシのチャート（Mermaid）","quote_start":0,"quote_end":33,"text_sha256":"c9c9b3774e525b07d936355b2cbefd4913cc7423c6d4edac87d09f7d809572f2","block_sha256":"c9c9b3774e525b07d936355b2cbefd4913cc7423c6d4edac87d09f7d809572f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_ae42a556-a329-4425-ab79-271373ce8d61"},{"id":"occ_e44b6f5c04a2d0ebbebe9642","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_b4870f68-164d-47e3-8eaf-744cdc38d3b4","section_id":"sec_fbdb4d75-b231-490c-a4e3-8d07f55a5f89","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":125,"end":127,"exact":"帯域","quote":" ルーティングで**トークンのシャッフル＝all-to-all通信**が頻発し、NVLink/スイッチの“実効帯域”と遅延が支配します。Rubin NVL72の公式ページが「MoE学習をBlackwellより少ないGPU数で」と語り、NVLink6のall-to-allやin-network compute（SH","quote_start":70,"quote_end":227,"text_sha256":"c17a40a655c1bb242eef6f227fffa10d182d062baaf3105c3fa0bc7109fa9cbb","block_sha256":"c17a40a655c1bb242eef6f227fffa10d182d062baaf3105c3fa0bc7109fa9cbb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_b4870f68-164d-47e3-8eaf-744cdc38d3b4"},{"id":"occ_e307e44c2dd8c1459f5620f8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_b544367e-ae04-4e54-860f-26d0c48075d2","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"## どうしてGPUのピークFLOPSよりも「実効帯域」「通信」「ジッタ」が支配的になるのか？","quote_start":0,"quote_end":47,"text_sha256":"34375d4de4c072ab539dbf30e617a6726f559e3909d10792c3d8d489f801a2ae","block_sha256":"34375d4de4c072ab539dbf30e617a6726f559e3909d10792c3d8d489f801a2ae","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_b544367e-ae04-4e54-860f-26d0c48075d2"},{"id":"occ_e09aabab7ac4ad671a3a29f1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_b8662f2d-d9ae-46cb-903e-a8d86e7d989d","section_id":"sec_496e2536-e98c-4a7d-95ea-2a6c2fbe2b80","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":23,"end":25,"exact":"帯域","quote":"```\nFLOPS = 「計算機の馬力」\n実効帯域 = 「実際に材料が届く速さ」\n通信 = 「他のGPUと受け渡しする速さ」\nジッタ = 「その速さがどれだけ揺れるか」\n```","quote_start":0,"quote_end":88,"text_sha256":"17b120b7d9463e8c65c1bfa2aead71a87a84540066871aba74ca4fafb67d536c","block_sha256":"17b120b7d9463e8c65c1bfa2aead71a87a84540066871aba74ca4fafb67d536c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_b8662f2d-d9ae-46cb-903e-a8d86e7d989d"},{"id":"occ_8718008356976f578774f2e7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_bed437de-0e29-4d05-846c-88eb207c2390","section_id":"sec_2ec8601a-f5b8-4719-a29e-257e23bdd986","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":162,"end":164,"exact":"帯域","quote":"ラス（4nm級/3nm級/2nm級）でレンジ把握し、性能推定は「ノード微細化によるFLOPS増」よりも、HBM帯域・NVLink帯域・実効利用率（ジッタ/並列化効率）の寄与を優先して評価する方針としました（Rubinの公式主張もメモリ性能が支配的という語りを含む）。","quote_start":107,"quote_end":240,"text_sha256":"629897957f1117ba8db6e1fc94554fb79d58d812a927b0ba09a3e2614e1a64a8","block_sha256":"629897957f1117ba8db6e1fc94554fb79d58d812a927b0ba09a3e2614e1a64a8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_bed437de-0e29-4d05-846c-88eb207c2390"},{"id":"occ_45e5411317a2270e756cabd6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_c410feee-4aeb-4714-bbf6-5526d6b813cb","section_id":"sec_d989ab93-df05-476a-8acd-34539f735588","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":139,"end":141,"exact":"帯域","quote":"DIAも、処理時間は「メモリアクセス時間」と「演算時間」の長いほうで決まり、前者はアクセスしたバイト数÷メモリ帯域、後者は演算回数÷演算帯域で見られると説明しています。 ([NVIDIA Docs](https://docs.nvidia.com/deeplearning/performance/dl-perfo","quote_start":84,"quote_end":241,"text_sha256":"ebf2d27b24cbce725fea3b8133778c39e200ffbc7e30d4c8998899becd7ccd9d","block_sha256":"ebf2d27b24cbce725fea3b8133778c39e200ffbc7e30d4c8998899becd7ccd9d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_c410feee-4aeb-4714-bbf6-5526d6b813cb"},{"id":"occ_0fbda5f8ad8ab1e8e8e6bcf4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_c6f53e6f-1032-4af3-99b9-2f8fb6323f7e","section_id":"sec_28fb2001-4dd5-4505-9516-8bb791ef8e2f","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":112,"end":114,"exact":"帯域","quote":"世代で“1スタック容量が増える”道筋（16層化など）と整合し得ますが、どの容量構成を採るかは未公表です。\n- 帯域側から：HBM4は2048ビット幅で“スタックあたり2TB/s級〜3TB/s級がベンダ資料で語られ、HBM4eはさらにデータレートを上げる（一般に“E”は拡張版）という前提で、スタックあたり帯域が増え","quote_start":57,"quote_end":214,"text_sha256":"4ebfc067fd06dfc8c337c75f57a7bc41026c19be9c0376d2920d0a55583e0c6e","block_sha256":"4ebfc067fd06dfc8c337c75f57a7bc41026c19be9c0376d2920d0a55583e0c6e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_c6f53e6f-1032-4af3-99b9-2f8fb6323f7e"},{"id":"occ_b4ec20b0abd83789b97593d1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_c7bdc372-e03c-498a-9d4f-91d5299a7b6b","section_id":"sec_bf654b73-0698-480e-984e-2665c64109fc","layer":"body","character_id":null,"count":5,"matched_aliases":["bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":41,"end":50,"exact":"bandwidth","quote":"CUDA Best Practices Guide では、**effective bandwidth = ((read bytes + write bytes)/10^9) / time** で実効帯域を測るよう勧めています。そして、理論帯域より実効帯域が大きく低いなら、設計や実装の問題が主な改善点","quote_start":0,"quote_end":150,"text_sha256":"9f05c12998335287ce9bac74c22e9bc44021d5336ee5a64ea703a638cb6b9911","block_sha256":"9f05c12998335287ce9bac74c22e9bc44021d5336ee5a64ea703a638cb6b9911","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_c7bdc372-e03c-498a-9d4f-91d5299a7b6b"},{"id":"occ_6e9de44cfbc94af802ea03dc","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_cb3c2d1a-d3e2-4604-823c-9743a5d27d00","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"さらに、**実効帯域は理論帯域よりかなり低くなりうる**のも重要です。CUDA Best Practices Guide では、V100 上の行列計算の例で、最適化前は **12.8 GB/s** しか出ていなかったもの","quote_start":0,"quote_end":110,"text_sha256":"a6af955925aec9a2ae669abd7c1fddb493eb2987dc1111a138fdee9668068d53","block_sha256":"a6af955925aec9a2ae669abd7c1fddb493eb2987dc1111a138fdee9668068d53","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_cb3c2d1a-d3e2-4604-823c-9743a5d27d00"},{"id":"occ_7892777f88e53f2287b1f35f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_d7b53387-b29f-4cfb-a687-d012d74e1151","section_id":"sec_28fea2c9-9a14-427f-a012-b845145f6909","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":96,"end":98,"exact":"帯域","quote":"え、各新トークンの attention コストは入力＋出力長に線形に伸びるので、generation のメモリ帯域・容量要求が強くなり、ITL が上がりやすい**、ということです。 ([NVIDIA Docs](https://docs.nvidia.com/nim/benchmarking/llm/latest","quote_start":41,"quote_end":198,"text_sha256":"a35267822e2ac840b6982cc8da92b912175fc3dc3050c4ef3d16fb271d9ee78b","block_sha256":"a35267822e2ac840b6982cc8da92b912175fc3dc3050c4ef3d16fb271d9ee78b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_d7b53387-b29f-4cfb-a687-d012d74e1151"},{"id":"occ_d2d9de8cb4623d07a59bd042","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_d7efe587-6fd9-42b3-aa36-e9c4a60dab64","section_id":"sec_07887d78-c99e-4994-a3a1-bc0a877a40b1","layer":"body","character_id":null,"count":3,"matched_aliases":["bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"**「学習」と「推論」で、どこでFLOPSより実効帯域・通信・ジッタが効いてくるのか**を図解っぽく並べます。基礎の見方は、NVIDIAのいう **「memory bandwidth / math bandwidth / latency」** と、処理側","quote_start":0,"quote_end":127,"text_sha256":"c1da6a4af227485e453d38b183b9544160818f40ba747a5d65a786665166d5aa","block_sha256":"c1da6a4af227485e453d38b183b9544160818f40ba747a5d65a786665166d5aa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_d7efe587-6fd9-42b3-aa36-e9c4a60dab64"},{"id":"occ_2a073d28a386436940575c9d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_dc7a6126-b063-4f57-b334-49e3c105a358","section_id":"sec_ba224cfe-ee8e-40a2-8872-b1795a0d8975","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":109,"end":111,"exact":"帯域","quote":"列化、(b) 並列化の複雑化、(c) MoE併用、(d) 通信のcollective支配フェーズにより、HBM帯域とスケールアップ帯域がボトルネックになりやすくなります。Rubinの技術ブログが「通信支配AI」「MoE routingやcollectivesがNVLink6設計の中心」と明言するのは、この潮流と合","quote_start":54,"quote_end":211,"text_sha256":"2864765988b2b4dccbc51737df339e3951bb64912ef50689f280e1b1a7f11ec0","block_sha256":"2864765988b2b4dccbc51737df339e3951bb64912ef50689f280e1b1a7f11ec0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_dc7a6126-b063-4f57-b334-49e3c105a358"},{"id":"occ_051c7e8da40d487a5fe2c51c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_e8e5c315-08ef-4d58-9cbb-89776323218d","section_id":"sec_bfdeee02-664c-4216-aeec-f75af10ab4e6","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":81,"end":83,"exact":"帯域","quote":" 計算ちょっと  ->  書く\n   長い           短い            長い\n\n結果:\n[帯域が効く]\n演算器をもっと速くしてもあまり効かない\n```","quote_start":26,"quote_end":111,"text_sha256":"0ca3e334918c9318148e3712e5d308c6b50a2d0ea5102b45e6e873504d7d0baa","block_sha256":"0ca3e334918c9318148e3712e5d308c6b50a2d0ea5102b45e6e873504d7d0baa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_e8e5c315-08ef-4d58-9cbb-89776323218d"},{"id":"occ_af7675cd97e7801c6c90813a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_eaa7e8db-dc57-4ff4-b17e-688d6d65ee28","section_id":"sec_5f52945d-ddc8-406f-b7d8-34d37a30611c","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":64,"end":66,"exact":"帯域","quote":"3eに比べてI/O幅が増え（一般に**1024→2048**ピン/ビット幅の拡張が語られる）、スタックあたりの帯域が大きく上がるのが中核です。Rubinの公式技術ブログも「HBM4はHBM3eに対して**インターフェース幅を倍増**」と述べ、世代間で帯域がほぼ3倍になる点を示しています。またMicron Tech","quote_start":9,"quote_end":166,"text_sha256":"56bfce13b5ce2ba5e1e184db220792d5cd3f7b2a8238889373431615cf8f7d74","block_sha256":"56bfce13b5ce2ba5e1e184db220792d5cd3f7b2a8238889373431615cf8f7d74","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_eaa7e8db-dc57-4ff4-b17e-688d6d65ee28"},{"id":"occ_09fcc4136a2fdc749d9967e1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_ede8c2eb-a0d5-44b2-81e3-0c02c219d214","section_id":"sec_2d061dfb-a4aa-4643-a2cc-4e1897124ae9","layer":"body","character_id":null,"count":6,"matched_aliases":["データ移動","帯域"],"evidence":{"text_basis":"markdown","start":109,"end":111,"exact":"帯域","quote":"](https://www.nvidia.com/en-us/data-center/h100/))\n- **帯域**: データ移動の速さ。単位は B/s, GB/s, TB/s。メモリ帯域やNVLink帯域など。 ([NVIDIA](https://www.nvidia.com/en-us/data-cente","quote_start":54,"quote_end":211,"text_sha256":"d306f63be8b48e575505fc8d4a16be55efbef7d88f50e61d43c8014fc6d97d91","block_sha256":"d306f63be8b48e575505fc8d4a16be55efbef7d88f50e61d43c8014fc6d97d91","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_ede8c2eb-a0d5-44b2-81e3-0c02c219d214"},{"id":"occ_713a685433802e900517bcc8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_ef232b52-a8b6-401e-b0e5-a886931f6178","section_id":"sec_c837dfae-b8ff-4676-95d3-1e87938ee982","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":10,"end":12,"exact":"帯域","quote":"## \\4. 推論で帯域とジッタが支配的になる図","quote_start":0,"quote_end":24,"text_sha256":"823125f437aea9ba2f38e2a3fc11d6d4752ee5b4e72fda5a6ce2bb5521a3ee87","block_sha256":"823125f437aea9ba2f38e2a3fc11d6d4752ee5b4e72fda5a6ce2bb5521a3ee87","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_ef232b52-a8b6-401e-b0e5-a886931f6178"},{"id":"occ_b32dc3d80f7f72ec41a85b83","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_fba9cd85-de33-4a05-a0af-2dd47cf787c1","section_id":"sec_bf654b73-0698-480e-984e-2665c64109fc","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":10,"end":12,"exact":"帯域","quote":"## \\2. 「理論帯域」ではなく「実効帯域」が大事な理由","quote_start":0,"quote_end":29,"text_sha256":"55c14ddbc105dcc1c5f1a55cd019546af4fa5618d3937fd9fd9d49ee206fdff3","block_sha256":"55c14ddbc105dcc1c5f1a55cd019546af4fa5618d3937fd9fd9d49ee206fdff3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_fba9cd85-de33-4a05-a0af-2dd47cf787c1"},{"id":"occ_be9d14e757c6e5366b1626cf","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b","work_id":"wrk_b4bdeaca-dc31-448c-8f47-03f9e39c14b0","block_id":"blk_fe38d989-0702-492f-9363-2fd00d1baf21","section_id":"sec_241442d3-afa1-4095-8551-689551b792ba","layer":"body","character_id":null,"count":2,"matched_aliases":["bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":116,"end":125,"exact":"bandwidth","quote":"**安定した ITL は efficient memory management、better memory bandwidth、efficient attention computation を示す**と説明しています。逆に言うと、ITL が崩れるときはメモリ管理や帯域の問題が疑わしい、ということです。 ([NVIDIA D","quote_start":61,"quote_end":225,"text_sha256":"800b9b07fa8a87aa90eb2b914648e86dbb907f6b06525a6eb148b86426ef9da4","block_sha256":"800b9b07fa8a87aa90eb2b914648e86dbb907f6b06525a6eb148b86426ef9da4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_584d62bb-c9f7-4d1f-b637-8fac93976f1b/#blk_fe38d989-0702-492f-9363-2fd00d1baf21"},{"id":"occ_3ffff419efbf2eefc7fb83c9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5c1381d3-461d-40ab-acea-997127510f6e","work_id":"wrk_153585aa-ce70-48f0-8fcf-0c54fb47c7a9","block_id":"blk_3ab408d1-31db-4157-921d-3461d59c9147","section_id":"sec_601aeae9-98a2-4b0e-a884-0243790cc5fc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":112,"end":114,"exact":"帯域","quote":"200（GB200）比で 1.5倍（192 GB → 288 GB）\n  - メモリバスは 8192-bit、帯域は **最大 ~8 TB/s**\n- 演算性能（AI向け FP4）\n  \n  - GB200比で **約1.5倍のFP4 Tensor Core FLOPS**\n  - 特に**Attentionレイ","quote_start":57,"quote_end":214,"text_sha256":"ec5e4d3b77b9764ff2c9478d540fd94a9989da5b502b469dd6be1fe1858f52f9","block_sha256":"ec5e4d3b77b9764ff2c9478d540fd94a9989da5b502b469dd6be1fe1858f52f9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5c1381d3-461d-40ab-acea-997127510f6e/#blk_3ab408d1-31db-4157-921d-3461d59c9147"},{"id":"occ_15965fbed07fdef06f9febf0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5c1381d3-461d-40ab-acea-997127510f6e","work_id":"wrk_153585aa-ce70-48f0-8fcf-0c54fb47c7a9","block_id":"blk_5be9d52a-e3d9-4f1c-9884-f578b7158952","section_id":"sec_2d0902fb-a012-464f-8408-7154834d8786","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":469,"end":474,"exact":"データ移動","quote":"20DRAM)。またNVIDIAのGrace HopperシステムではCPUとGPUが同一メモリ空間を共有し、データ移動なしにCPU前処理結果をGPU計算に渡すといった統合も図られています。一方GoogleのTPUも、前述した**RDMA over ICI**の仕組みにより**CPUをバイパスした直接通信**を大規模ク","quote_start":414,"quote_end":574,"text_sha256":"82b251055314b1d0aa10ffd709d444f49e9e7f8ff8b5e55593832b067fb66182","block_sha256":"82b251055314b1d0aa10ffd709d444f49e9e7f8ff8b5e55593832b067fb66182","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5c1381d3-461d-40ab-acea-997127510f6e/#blk_5be9d52a-e3d9-4f1c-9884-f578b7158952"},{"id":"occ_9950d1cad85461f7f81d95d1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5c1381d3-461d-40ab-acea-997127510f6e","work_id":"wrk_153585aa-ce70-48f0-8fcf-0c54fb47c7a9","block_id":"blk_90484fb1-8e40-4bb5-a268-d4a371baf9fa","section_id":"sec_b1baab16-aa34-4ddc-9475-5b871159a34e","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":17,"end":19,"exact":"帯域","quote":"Ironwood TPUのICIは帯域幅も非常に高く設計されています。Google公式発表によれば、Ironwoodでは各チップが**9.6 Tb/s**もの高速通信で相互接続されており、クラスター全体で**88473.6 Tbps (約","quote_start":0,"quote_end":119,"text_sha256":"a31c6651e8a06bf3c95bc3141c048ac31586be3be14b3028c7af78311ba0569f","block_sha256":"a31c6651e8a06bf3c95bc3141c048ac31586be3be14b3028c7af78311ba0569f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5c1381d3-461d-40ab-acea-997127510f6e/#blk_90484fb1-8e40-4bb5-a268-d4a371baf9fa"},{"id":"occ_df09b8060f575c0c4bbd2e24","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5c1381d3-461d-40ab-acea-997127510f6e","work_id":"wrk_153585aa-ce70-48f0-8fcf-0c54fb47c7a9","block_id":"blk_97c749d6-7033-4769-ab0b-d352c56a6b5d","section_id":"sec_b1baab16-aa34-4ddc-9475-5b871159a34e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":187,"end":189,"exact":"帯域","quote":"niBandやイーサネットネットワークに頼る必要があります。結果として、単一のクラスター内で低レイテンシかつ高帯域で直結できるGPU数には限りがあり、NVIDIAの一般的な“スーパーPod”構成でも\\*\\*数十枚規模（例えば8台の8-GPUサーバで合計64GPU、NVLink Switchesで72GPU構成など","quote_start":132,"quote_end":289,"text_sha256":"bf0197f22b5dd58358a17d6de61927c672c940b88e3d39cca68168b74b6b5673","block_sha256":"bf0197f22b5dd58358a17d6de61927c672c940b88e3d39cca68168b74b6b5673","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5c1381d3-461d-40ab-acea-997127510f6e/#blk_97c749d6-7033-4769-ab0b-d352c56a6b5d"},{"id":"occ_3d8c40f74fd8cbbcb954a627","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5c1381d3-461d-40ab-acea-997127510f6e","work_id":"wrk_153585aa-ce70-48f0-8fcf-0c54fb47c7a9","block_id":"blk_c424f844-6024-435e-8a40-b36cdc430bef","section_id":"sec_5375e192-286e-41c4-9ed1-f08cfeb088d0","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":33,"end":35,"exact":"帯域","quote":"- **目的**：高速スイッチやGPUの「I/O部分」を省電力＆高帯域にする。\n- やっていること：\n  \n  - これまでスイッチASICやGPUからは  \n    → 長い銅配線 → プラガブル光モジュール（QSFP/OSFP）  \n    というルートで外に出てい","quote_start":0,"quote_end":135,"text_sha256":"2ce67932f59974f784816755c06dc479af991448e0b89923b05a196318b74eab","block_sha256":"2ce67932f59974f784816755c06dc479af991448e0b89923b05a196318b74eab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5c1381d3-461d-40ab-acea-997127510f6e/#blk_c424f844-6024-435e-8a40-b36cdc430bef"},{"id":"occ_3749a157b9a0f7f1cf8fa8f9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5c1381d3-461d-40ab-acea-997127510f6e","work_id":"wrk_153585aa-ce70-48f0-8fcf-0c54fb47c7a9","block_id":"blk_c8e734b1-bdbd-46d7-a51a-96ee16142713","section_id":"sec_4783faeb-bcfe-4991-9e26-9524d181f047","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":42,"end":44,"exact":"帯域","quote":"- ✅ メリット\n  \n  - 電気I/Oの距離を極限まで短縮 → 大幅な省電力＆高帯域\n  - 従来のネットワーク設計をほぼそのまま使える（透明）\n- ❌ デメリット\n  \n  - 実装・パッケージングが難しい（熱/歩留まり/テスト）\n  - 「パケットスイッチの階層の多さ」そのものは","quote_start":0,"quote_end":144,"text_sha256":"7e82b981406264d0c864c5b90d6867358310200416451f75f9d6baf521a0a71e","block_sha256":"7e82b981406264d0c864c5b90d6867358310200416451f75f9d6baf521a0a71e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5c1381d3-461d-40ab-acea-997127510f6e/#blk_c8e734b1-bdbd-46d7-a51a-96ee16142713"},{"id":"occ_48264eacdba75e004130a43d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_05254821-9e79-4281-a349-d6412e9b8206","section_id":"sec_021be68d-ce1a-4b16-9ee2-c261624ee63f","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":51,"end":53,"exact":"帯域","quote":"AI学習では、巨大なモデルとデータを高速に処理するため、GPU上のHBMが極めて重要になる。HBMは高帯域で、GPUの演算器へ大量のデータを供給できる。学習では、重み、勾配、活性化、optimizer stateなどが大量に発生するため、HBMの容量と帯域が直接性能に効く。","quote_start":0,"quote_end":137,"text_sha256":"052b7e5717f39909abfe09b2b5fee8f5afbfd253a339bd56daea370791e9693c","block_sha256":"052b7e5717f39909abfe09b2b5fee8f5afbfd253a339bd56daea370791e9693c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_05254821-9e79-4281-a349-d6412e9b8206"},{"id":"occ_f94f47dd35081ea06c2f231d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_200285fc-2ebe-4705-ada0-f86cbceaf9ed","section_id":"sec_5449428d-3412-482f-9abe-034e838c1071","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":31,"end":33,"exact":"帯域","quote":"HBFは、将来HBMの外側、あるいは横に置かれる可能性のある高帯域フラッシュメモリ規格である。","quote_start":0,"quote_end":47,"text_sha256":"a078f5321a0313edf4836184417cec947dd86eb5f3366fa5a86b312d8acc0c68","block_sha256":"a078f5321a0313edf4836184417cec947dd86eb5f3366fa5a86b312d8acc0c68","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_200285fc-2ebe-4705-ada0-f86cbceaf9ed"},{"id":"occ_a415d7d41ec37d8cfd2f0874","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_2d7f285c-c100-4151-a940-41ccfb66c532","section_id":"sec_fa3ead89-2a06-4dd9-8633-1e7517bf8672","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":102,"end":104,"exact":"帯域","quote":"ランキング、文脈メモリの参照など、小さなデータを大量に不規則に読む場面が増える。ここでは、単純なシーケンシャル帯域だけでなく、IOPS、p99レイテンシー、512バイトや4KBの細かいアクセス性能が重要になる。","quote_start":47,"quote_end":152,"text_sha256":"be27a6561afd18579dc4978ac23662337de71055cb4baf39f5a942b1dbd1f39a","block_sha256":"be27a6561afd18579dc4978ac23662337de71055cb4baf39f5a942b1dbd1f39a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_2d7f285c-c100-4151-a940-41ccfb66c532"},{"id":"occ_9a8ab1991717e08117150c6f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_32704f0f-fc1e-4fbd-8d67-872c6be1f87a","section_id":"sec_5449428d-3412-482f-9abe-034e838c1071","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":514,"end":516,"exact":"帯域","quote":"いランダムアクセス         | XL-FLASH                      |\n| 高帯域フラッシュ       | HBMとSSDの間の大容量層      | HBF                           |","quote_start":459,"quote_end":583,"text_sha256":"e239bb354dccc1db3b8d40db93d8927e2eee8b1f03cf729475f8d5d0fecaeb04","block_sha256":"e239bb354dccc1db3b8d40db93d8927e2eee8b1f03cf729475f8d5d0fecaeb04","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_32704f0f-fc1e-4fbd-8d67-872c6be1f87a"},{"id":"occ_c4680801a6fb6402f3a0a1e1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_3dc802c7-2bc8-410a-a8b4-5d09db552cbb","section_id":"sec_c45c90b6-5e0b-47d4-b622-35596fae97f1","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"## 5. HBF標準化──HBMの横に置かれる高帯域フラッシュ","quote_start":0,"quote_end":32,"text_sha256":"5b56923dd489ce7087c81776892e1bb1e813137a336dfb5e1a594b1cb7af214a","block_sha256":"5b56923dd489ce7087c81776892e1bb1e813137a336dfb5e1a594b1cb7af214a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_3dc802c7-2bc8-410a-a8b4-5d09db552cbb"},{"id":"occ_02dd2a7e743d9c5f5a6b1f64","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_6e2dca73-5c31-4098-96e5-04604dd962a6","section_id":"sec_c45c90b6-5e0b-47d4-b622-35596fae97f1","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":35,"end":37,"exact":"帯域","quote":"HBFは、SanDiskとSK hynixが標準化を進めている新しい高帯域フラッシュメモリカテゴリである。通常のSSDのようにPCIeの先に置くのではなく、よりHBMに近い発想で、NANDを高帯域・大容量のメモリ層として使おうとする。","quote_start":0,"quote_end":117,"text_sha256":"46182651a78c609577c074f749be0998430eb35016e4340d510dd30ad6cddf19","block_sha256":"46182651a78c609577c074f749be0998430eb35016e4340d510dd30ad6cddf19","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_6e2dca73-5c31-4098-96e5-04604dd962a6"},{"id":"occ_2d50c07a206b7481a887d720","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_93cfb1dc-ed2d-44f1-b04b-e3b6c9792767","section_id":"sec_e8450030-c9af-4bc3-b056-611c8e04189a","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":85,"end":87,"exact":"帯域","quote":"。見るべきは、容量ではなく、512B/4KBランダムリード、MIOPS、p99レイテンシー、GPUから見た実効帯域、消費電力、耐久性である。","quote_start":30,"quote_end":100,"text_sha256":"5b039a591613331fa6c539a2e8efe192f9bae316db01af77730704ae09fe99c5","block_sha256":"5b039a591613331fa6c539a2e8efe192f9bae316db01af77730704ae09fe99c5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_93cfb1dc-ed2d-44f1-b04b-e3b6c9792767"},{"id":"occ_78d891db3b0f39245540f130","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_bdf41fd3-2d75-45ec-9171-446ba7aea2b4","section_id":"sec_2fe97cbb-1ea0-4ab5-92ef-0f961d8bef91","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":24,"end":26,"exact":"帯域","quote":"HBFは、将来HBMの横に置かれるかもしれない高帯域フラッシュである。","quote_start":0,"quote_end":35,"text_sha256":"74724e1876d5d3c8f2c911e412105d5715a4a93674312dbb7fac50bcf6ed2005","block_sha256":"74724e1876d5d3c8f2c911e412105d5715a4a93674312dbb7fac50bcf6ed2005","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_bdf41fd3-2d75-45ec-9171-446ba7aea2b4"},{"id":"occ_3e6620115fe3fc3d012018ad","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_c7940c1c-b269-4ab7-b77d-28ab5ad9380e","section_id":"sec_e9426f80-4cfa-43b7-b2cc-8575eda1daff","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":58,"end":60,"exact":"帯域","quote":"ンフラを考えるとき、多くの人はまずGPUとHBMを見る。どのGPUを何万枚並べるのか。HBMは何GB載るのか。帯域は何TB/sなのか。もちろん、これは今後も最重要の指標であり続ける。","quote_start":3,"quote_end":94,"text_sha256":"f9e651aa2fa47302169724ec22ead54682280126735c812898f5ce3a1a084034","block_sha256":"f9e651aa2fa47302169724ec22ead54682280126735c812898f5ce3a1a084034","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_c7940c1c-b269-4ab7-b77d-28ab5ad9380e"},{"id":"occ_fbf8f9194fc71546801c21cf","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_e72b770f-fe57-40e3-bae0-f3febfd28618","section_id":"sec_e389394a-9776-49c3-be15-80800e66d75e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":39,"end":41,"exact":"帯域","quote":"HBFが実用化されれば、HBMに置ききれない大容量データを、よりGPUに近い高帯域フラッシュ層へ逃がせるようになる。これは、巨大モデル重み、RAG、コールドKV、読み出し中心の推論データで特に効く。","quote_start":0,"quote_end":99,"text_sha256":"32685b45a01046e625d689e773565c508db68f7c2bad5fc1caa3395f88215ace","block_sha256":"32685b45a01046e625d689e773565c508db68f7c2bad5fc1caa3395f88215ace","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_e72b770f-fe57-40e3-bae0-f3febfd28618"},{"id":"occ_691697084e9906c8bc25ef19","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_e7fe911f-bbfb-47df-ac8d-f99bdda483e1","section_id":"sec_c45c90b6-5e0b-47d4-b622-35596fae97f1","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":78,"end":80,"exact":"帯域","quote":"ンデックス、コールドKV、読み出し中心の大容量データは、HBMほど速くなくてもよいが、通常SSDよりはるかに高帯域で読めると大きな価値がある。","quote_start":23,"quote_end":94,"text_sha256":"4728644f60b4face70ef7436e5d172d45dca441407905c5c56acb9f14c21b73d","block_sha256":"4728644f60b4face70ef7436e5d172d45dca441407905c5c56acb9f14c21b73d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_e7fe911f-bbfb-47df-ac8d-f99bdda483e1"},{"id":"occ_9a22dd25b48bd0d41f1173a3","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_f976c14b-f800-401a-acb6-39ed3f22c697","section_id":"sec_c45c90b6-5e0b-47d4-b622-35596fae97f1","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":20,"end":29,"exact":"Bandwidth","quote":"さらに先の技術として、HBF、High Bandwidth 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技術 | 役割 |\n| XBM | 高帯域メモリ全体のアーキテクチャ |\n| Backend DRAM | メモリセルの構造 |\n| TSV gutter | 積層内の垂直配線 |\n| HBI | ダイ間の高帯域接続 |\n| Hybrid B","quote_start":0,"quote_end":127,"text_sha256":"e82bb37aac61da800054bc17555b213f1872f1e032bf14c250b5ba1fe01e798a","block_sha256":"e82bb37aac61da800054bc17555b213f1872f1e032bf14c250b5ba1fe01e798a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_1664c069-1371-4fa7-b3f3-388087df88b2"},{"id":"occ_f8f04cc37e527e5e2f3c8feb","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_2ca82634-5659-442e-93f8-8603ab42d1c3","section_id":"sec_c6c59147-ae41-44c9-8b29-d22301383040","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":34,"end":36,"exact":"帯域","quote":"多数の短距離レーンを使えば、各レーンを極端に高速化しなくても巨大な総帯域を得られる。","quote_start":0,"quote_end":42,"text_sha256":"b80a62cc701a852e09480486b877cdecf51b148e70bfaf5de15a159f29aa685a","block_sha256":"b80a62cc701a852e09480486b877cdecf51b148e70bfaf5de15a159f29aa685a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_2ca82634-5659-442e-93f8-8603ab42d1c3"},{"id":"occ_2be3ed68a909e307d028a16b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_318cca50-6e60-49d3-a34d-abc8dff813c1","section_id":"sec_9ca00a39-441f-4f2f-a5a2-1403b3cc6936","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":15,"end":17,"exact":"帯域","quote":"- 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PHY面積","quote_start":0,"quote_end":43,"text_sha256":"fd96c34ebddcf1c3dc8899273834148cad6bc7704f87bd1e3210de85898a6b76","block_sha256":"fd96c34ebddcf1c3dc8899273834148cad6bc7704f87bd1e3210de85898a6b76","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_318cca50-6e60-49d3-a34d-abc8dff813c1"},{"id":"occ_5805407cd9651014e02aa775","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_3403e635-5230-43e1-9f2a-44f401f200e6","section_id":"sec_e4f843d9-420a-47c9-a7a5-21287321eac9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":59,"end":61,"exact":"帯域","quote":"ケージ内配線では、信号振幅を小さくし、強力な送信回路や複雑な信号補償を減らしやすい。そのため、多数の並列配線は帯域だけでなく、ビット当たりの通信電力にも有利になりやすい。","quote_start":4,"quote_end":89,"text_sha256":"feb42582c49b7f817ee7d80b5743478161129bd127b089d1e4cf3665595e0b2c","block_sha256":"feb42582c49b7f817ee7d80b5743478161129bd127b089d1e4cf3665595e0b2c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_3403e635-5230-43e1-9f2a-44f401f200e6"},{"id":"occ_204cf86d3f5f136c93e66993","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_38ea1312-5777-4a4f-8cf5-a7addc199a93","section_id":"sec_a4a260fb-1019-4dde-8010-b51b4081ccb3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":21,"end":23,"exact":"帯域","quote":"XBMのニュースを見るとき、特許件数や理論帯域だけを追っても、実用性は判断できない。","quote_start":0,"quote_end":42,"text_sha256":"c11e7a2310c3488bc3f9078a60e6bdd3a3bdb33854796b8b6957b36556d02fa1","block_sha256":"c11e7a2310c3488bc3f9078a60e6bdd3a3bdb33854796b8b6957b36556d02fa1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_38ea1312-5777-4a4f-8cf5-a7addc199a93"},{"id":"occ_58d29361b0a6728d7e107a4b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_5d6b249f-55c5-4a80-bc2e-e9a5e9046ed9","section_id":"sec_e4f843d9-420a-47c9-a7a5-21287321eac9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"HBMが高い帯域を実現できる理由は、1本の配線を極端に高速化することではない。","quote_start":0,"quote_end":39,"text_sha256":"5ebcff9f19061b66203340126deac5f7d15850b47acabb290871400cc6e6602e","block_sha256":"5ebcff9f19061b66203340126deac5f7d15850b47acabb290871400cc6e6602e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_5d6b249f-55c5-4a80-bc2e-e9a5e9046ed9"},{"id":"occ_15d36f14f4fff7634453605e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_6038b1ee-4664-462e-95d0-d5cd72647433","section_id":"sec_2eeafa17-508b-4128-bec0-d6e6543587c3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":24,"end":26,"exact":"帯域","quote":"HBMは、非常に多くの物理配線を横へ並べることで帯域を確保する。","quote_start":0,"quote_end":32,"text_sha256":"9331746f66dfa82db306836b64f5ad9e0938d1c3917e52a0681c1c18d6b8e923","block_sha256":"9331746f66dfa82db306836b64f5ad9e0938d1c3917e52a0681c1c18d6b8e923","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_6038b1ee-4664-462e-95d0-d5cd72647433"},{"id":"occ_1a3f7bba32330c2470499996","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_60e7424d-600f-45b7-ad4f-a7f7fa237dbe","section_id":"sec_d73c8f61-7368-4027-a979-4e6150f76247","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"- 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実測帯域\n- 実測消費電力\n- 製造工場\n- 採用顧客\n- サンプル時期\n- 量産時期\n- 販売価格","quote_start":0,"quote_end":66,"text_sha256":"e64968c4f42c8112ba8527c309135fc373c37ba6810018edbeaed2c6d9905767","block_sha256":"e64968c4f42c8112ba8527c309135fc373c37ba6810018edbeaed2c6d9905767","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_73834981-c589-4137-afb9-09cb578db4fe"},{"id":"occ_320c51a25316fb33ab1eefae","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_74d15c28-b335-4530-987d-04555132e589","section_id":"sec_8be6d81c-98cc-4b23-85bc-18bd2436519d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":43,"end":45,"exact":"帯域","quote":"- 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**巨大なメモリ帯域を、どのような接続とパッケージで演算器へ届けるか**","quote_start":0,"quote_end":38,"text_sha256":"f5c2e3b10455c4868c1a12639918f40651004aa35aa5aeb400c6851728389655","block_sha256":"f5c2e3b10455c4868c1a12639918f40651004aa35aa5aeb400c6851728389655","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_88717002-a85d-455a-b6f2-c05e93bc1b44"},{"id":"occ_5d05c4f7dc7f19ac6f40619e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_8c858b3d-4fc1-41e1-a0f8-6ffea7de10a0","section_id":"sec_a76aec54-ed6a-4835-84e0-c5db36e85026","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":16,"end":18,"exact":"帯域","quote":"XBMの最大の利点は、単純な最大帯域ではない。","quote_start":0,"quote_end":23,"text_sha256":"1f4cb6fcff1e0adc3746beb6b063b23d03216fa59b98247ece7c79da572c2951","block_sha256":"1f4cb6fcff1e0adc3746beb6b063b23d03216fa59b98247ece7c79da572c2951","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_8c858b3d-4fc1-41e1-a0f8-6ffea7de10a0"},{"id":"occ_8cc76627cea9f47e9631ea42","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_98977771-e4f5-47e7-8f8c-47e485e178ad","section_id":"sec_8be6d81c-98cc-4b23-85bc-18bd2436519d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":13,"end":15,"exact":"帯域","quote":"UCIeによる接続で十分な帯域と電力効率を得られれば、全面シリコンインターポーザーを使わず、有機基板、ブリッジ、RDLなどを組み合わせる余地が広がる。","quote_start":0,"quote_end":75,"text_sha256":"0faec51a8ed1061091daa765bedaa6e0ed4157ad135cd3f20f062d979dc0b910","block_sha256":"0faec51a8ed1061091daa765bedaa6e0ed4157ad135cd3f20f062d979dc0b910","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_98977771-e4f5-47e7-8f8c-47e485e178ad"},{"id":"occ_f5362bad8e2391ff6d2a88aa","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_b15bde38-2a11-4946-8511-618339b28e15","section_id":"sec_bf5fe82d-2e73-475f-9c6a-9bf1732579b1","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":24,"end":33,"exact":"Bandwidth","quote":"特許では、TSV 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スタック横断の予備データブロック |\n| 主な利点 | 成熟した高帯域・低通信電力 | パッケージ自由度、修復性、チップレット統合 |\n| 主なリスク | インターポーザー、パッケージ容量、コスト | Backend DRAM、PHY電力、歩留まり、量産性 |\n```","quote_start":367,"quote_end":523,"text_sha256":"4ee3cbd2474af92da168597d9686a74a340c7b672d9d127224051624613bddb5","block_sha256":"4ee3cbd2474af92da168597d9686a74a340c7b672d9d127224051624613bddb5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_cbe8c417-b03d-47a5-8832-5910cb5cc28d"},{"id":"occ_3ecbeb443971c7d73e8b9a57","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_ef29e75f-8aff-4343-a686-66611c57f336","section_id":"sec_e4f843d9-420a-47c9-a7a5-21287321eac9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":29,"end":31,"exact":"帯域","quote":"比較的短い多数の配線を並列に並べることで、全体として巨大な帯域を得ている。","quote_start":0,"quote_end":37,"text_sha256":"e8bc0f0bfd40089bd5dedd68d5943200e86ef5aad48607d9efd21f16ea84971a","block_sha256":"e8bc0f0bfd40089bd5dedd68d5943200e86ef5aad48607d9efd21f16ea84971a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_ef29e75f-8aff-4343-a686-66611c57f336"},{"id":"occ_c2a0cd2e2ca7cef4918feed7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_f6b47d3e-ba47-4b48-8d0f-c82f1f98d3eb","section_id":"sec_86b2c972-c7fc-420c-9c5e-5aa80130a0ae","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"```\n超高帯域・低電力を最優先\n→ シリコンインターポーザー型HBM\n\nパッケージ自由度・容量・修復性を重視\n→ XBM型メモリ\n\nロジック直上の極低遅延\n→ 3D SRAM／Memory-on-Logic\n\n大容","quote_start":0,"quote_end":108,"text_sha256":"eb2015963b697e1e4d45668a83f02f52cccc803f8faa1eb43aa1d9f9253ad32e","block_sha256":"eb2015963b697e1e4d45668a83f02f52cccc803f8faa1eb43aa1d9f9253ad32e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_f6b47d3e-ba47-4b48-8d0f-c82f1f98d3eb"},{"id":"occ_341042b8cee15529a6d3df8b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_5f44b55a-c37f-42cf-ac49-298da914a87a","work_id":"wrk_57e07914-940b-4727-b215-7d77a2ac51c0","block_id":"blk_22c2a805-189a-4f89-90db-1a8e9097688b","section_id":"sec_fefb1993-bc45-463c-ad9f-933e85da1527","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":14,"end":23,"exact":"bandwidth","quote":"最大30%高いMemory 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AIデータ量とメモリ帯域の構造需要         |\n|  5 | AIサーバー統合          | 需要は強いが競争・粗利圧力も大きい         |\n|  6 | 発電・再エネ・蓄電         | 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NVLink/IB/Ethernet帯域\n- SM occupancy\n- queue time\n- TTFT\n- TPOT / ITL\n- KV cache hit率\n- batch効率\n- 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|\n| HBM需要 | GPU、AI ASIC向けの高帯域メモリー需要 |\n| Server DRAM | CPUサーバー、AIサーバー、メモリ拡張向け需要 |\n| 民生DRAM | PC、スマホ、車載、産業機器のコスト圧力 |\n| 価格上昇率鈍化 | 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Workloadでは帯域よりMemory容量の方が重要だ」","quote_start":0,"quote_end":42,"text_sha256":"e37973c691fafc38d27eb9cc86d9316af90b789e5431010a7fbfdc3bea8cf673","block_sha256":"e37973c691fafc38d27eb9cc86d9316af90b789e5431010a7fbfdc3bea8cf673","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_73f07a40-b588-4fa6-bf2b-2880462e214c/#blk_b3ec591b-cf40-4f5e-89c3-72f4cccf74bb"},{"id":"occ_bbfb88d8fb2989ba4f5b1989","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_73f07a40-b588-4fa6-bf2b-2880462e214c","work_id":"wrk_83edd5a9-4c70-4085-ba5b-602f9d005928","block_id":"blk_b831495c-77ab-445a-95ea-b2ee58dd6774","section_id":"sec_3876e4ee-2f53-46bc-b8c8-41a2da0d712e","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":11,"end":20,"exact":"Bandwidth","quote":"**Scale-up Bandwidth**  \nRack内部などでAccelerator同士をつなぐ通信帯域。","quote_start":0,"quote_end":56,"text_sha256":"0bc440e4db39090430c9d9b4e557fefbfe3529487e6f5076a42acab272001f17","block_sha256":"0bc440e4db39090430c9d9b4e557fefbfe3529487e6f5076a42acab272001f17","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_73f07a40-b588-4fa6-bf2b-2880462e214c/#blk_b831495c-77ab-445a-95ea-b2ee58dd6774"},{"id":"occ_b9a86e901a4fbb3af218b3de","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_2f1b958c-36a5-4aaf-9c0a-d1f122de4768","section_id":"sec_265202b0-1095-4d3d-8863-ac152368b590","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":13,"end":15,"exact":"帯域","quote":"HBM5以降の勝者は、単に帯域を上げる企業ではない。熱源を正確に見極め、局所冷却と経路冷却を組み合わせ、GPU/AIアクセラレータ側のパッケージ設計に組み込める企業である。","quote_start":0,"quote_end":86,"text_sha256":"a4ceead773bcf0095d2c93329b5dfab2ba173838eb31002c00b4a489e670b3cc","block_sha256":"a4ceead773bcf0095d2c93329b5dfab2ba173838eb31002c00b4a489e670b3cc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_2f1b958c-36a5-4aaf-9c0a-d1f122de4768"},{"id":"occ_04bed13fe3c77d5981a889ce","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_34674c25-2e1c-4075-89e5-18864ce442cf","section_id":"sec_3d266c17-8ba5-47e1-822b-5135b00fe58d","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":32,"end":34,"exact":"帯域","quote":"- HBM4は2,048-bit化によって、AI GPUのメモリ帯域を大きく引き上げる。\n- D2D PHYは、HBMとGPUが接続する発熱密度の高い場所である。\n- iHBM/ICEやHBM5/HPBは、HBM内部に冷却経路を組み込む発想である。\n- 短中期では、D","quote_start":0,"quote_end":134,"text_sha256":"614314e48617cbaf2a56bd5310e5f1c001b17bc6ae12886f9adfaf2e142cf4fc","block_sha256":"614314e48617cbaf2a56bd5310e5f1c001b17bc6ae12886f9adfaf2e142cf4fc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_34674c25-2e1c-4075-89e5-18864ce442cf"},{"id":"occ_ea6e73614d4116c72fe015d6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_38048784-1f21-46b0-9ba9-e569f30fb6e5","section_id":"sec_aff7d6ba-3890-4ea0-b8bf-0e3c832583e3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":15,"end":17,"exact":"帯域","quote":"HBM4によってGPUのメモリ帯域が増えれば、より大規模なモデル、長いコンテキスト、複雑な推論、マルチモーダル処理が動かしやすくなる。一方で、HBM単価が上がれば、GPUボード、ラック、データセンター全体のコストも上がる。","quote_start":0,"quote_end":111,"text_sha256":"93c5be0b10d4e28b5073321a6957d79347664a93a577c2cd713994ca1b37d83a","block_sha256":"93c5be0b10d4e28b5073321a6957d79347664a93a577c2cd713994ca1b37d83a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_38048784-1f21-46b0-9ba9-e569f30fb6e5"},{"id":"occ_920c2e6b459873fd3307bc39","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_3d6e16ec-a5e2-40fb-ba1e-45f42a682d47","section_id":"sec_fd7ab79c-b3c8-44f7-a1ec-3c07ae980bb5","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":26,"end":28,"exact":"帯域","quote":"HBM3Eでは、1スタックあたりおよそ1TB/s台の帯域が中心だった。これに対し、HBM4では1スタックあたり2TB/s超、実装によっては2.8TB/sから3.3TB/s級の帯域が見込まれる。MicronはHBM4で2,048ピンバス、11Gbps超、1ス","quote_start":0,"quote_end":128,"text_sha256":"b3ac7318f1d4584b82d53bd486079841e816efa43466b3e07a91273ba40fb645","block_sha256":"b3ac7318f1d4584b82d53bd486079841e816efa43466b3e07a91273ba40fb645","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_3d6e16ec-a5e2-40fb-ba1e-45f42a682d47"},{"id":"occ_d28f0185ecfe8ba54d5b297d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_4cd75581-9d4c-41bb-a588-bb744cd9a659","section_id":"sec_8825a75f-e7d3-42d3-94b1-7bbae421e16e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":50,"end":52,"exact":"帯域","quote":"**絶ノイア:** だから、次のAIインフラ投資を見る時は、GPU枚数だけじゃ足りない。HBM容量、帯域、D2D PHY、冷却、パッケージ、歩留まりまで見ないといけない。","quote_start":0,"quote_end":85,"text_sha256":"d905ff2e8fd11f749fc4c898b96514c111284a503e96bc1412acb282ac7d4ed2","block_sha256":"d905ff2e8fd11f749fc4c898b96514c111284a503e96bc1412acb282ac7d4ed2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_4cd75581-9d4c-41bb-a588-bb744cd9a659"},{"id":"occ_0a2613d2cb4dfeb7ad26f726","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_66b609e5-180a-4be6-8546-d1c25a7cec0f","section_id":"sec_3a472444-b13f-4bbd-b116-2f6f1a05bcf3","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":28,"end":30,"exact":"帯域","quote":"```text\nHBM4\n  ↓\n2,048-bit化で帯域を増やす\n  ↓\nD2D PHY周辺の熱密度が上がる\n  ↓\nHBM5 / iHBM / HPB\n  ↓\nパッケージ内部に冷却経路を組み込む\n```","quote_start":0,"quote_end":104,"text_sha256":"e956105b38a16b25e9ad620255e9b21f6e3497d09ce00716293d0903cc5de3bb","block_sha256":"e956105b38a16b25e9ad620255e9b21f6e3497d09ce00716293d0903cc5de3bb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_66b609e5-180a-4be6-8546-d1c25a7cec0f"},{"id":"occ_30e887c911f2d2275c08f04d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_7e237e00-1cd6-4465-b260-1d18fe56458f","section_id":"sec_3a472444-b13f-4bbd-b116-2f6f1a05bcf3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":21,"end":23,"exact":"帯域","quote":"HBM4では、2,048-bit化によって帯域を大きく増やす。これにより、AI GPUはより大量のデータをHBMから受け取れるようになる。しかし、その結果としてD2D PHY周辺の熱問題はさらに大きくなる。","quote_start":0,"quote_end":103,"text_sha256":"fb0ee8f90787e148779b1ef2355e96c1432a5806ed6e3f578027054777233701","block_sha256":"fb0ee8f90787e148779b1ef2355e96c1432a5806ed6e3f578027054777233701","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_7e237e00-1cd6-4465-b260-1d18fe56458f"},{"id":"occ_5b92e8c101774381d864edb5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_7e641bc0-0baf-4a67-920b-aebf91c6bf71","section_id":"sec_3a472444-b13f-4bbd-b116-2f6f1a05bcf3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"HBM5で、その帯域が生む熱を逃がす。","quote_start":0,"quote_end":19,"text_sha256":"d27836081bb631df63eb405c2af0ffa550db63bc9c4ea247271324e08545b18f","block_sha256":"d27836081bb631df63eb405c2af0ffa550db63bc9c4ea247271324e08545b18f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_7e641bc0-0baf-4a67-920b-aebf91c6bf71"},{"id":"occ_bdbdadfa02f280cbc09acaf1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_8feca061-0b06-403f-b688-079ce0c295a4","section_id":"sec_fd7ab79c-b3c8-44f7-a1ec-3c07ae980bb5","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":51,"end":53,"exact":"帯域","quote":"GPUがAIモデルを動かす際に必要な重み、アクティベーション、KVキャッシュ、中間テンソルを、より広い帯域で流すための世代である。特に生成AIの推論では、長文コンテキスト、マルチモーダル入力、複数エージェント、長時間記憶のような処理が増えている。これらは演算能力だけでなく、メモリ帯域とメモリ容量を大量に消","quote_start":0,"quote_end":153,"text_sha256":"4e23f2001e55cde0a0a06382984eea50edaae9c5f536851372277ad82f86bb73","block_sha256":"4e23f2001e55cde0a0a06382984eea50edaae9c5f536851372277ad82f86bb73","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_8feca061-0b06-403f-b688-079ce0c295a4"},{"id":"occ_63776c1a77fb78ec2fec8e4d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_91babada-24c2-481e-88d8-b0dae324e35a","section_id":"sec_bab6b2c6-7e48-4ee8-99a3-70b8659dfcfc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":21,"end":23,"exact":"帯域","quote":"HBM5世代では、スタックがより高くなり、帯域がさらに増え、ベースダイやD2Dインターフェースの発熱密度が上がる。その熱を逃がせなければ、メモリの理論性能は出せない。サーマルスロットリングが起きれば、GPU側の演算能力も引き出せない。","quote_start":0,"quote_end":117,"text_sha256":"3ea0cc595acd8f9ed17807f39a93bf63d2483a10cdfb82a33a9a64e9b56604c1","block_sha256":"3ea0cc595acd8f9ed17807f39a93bf63d2483a10cdfb82a33a9a64e9b56604c1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_91babada-24c2-481e-88d8-b0dae324e35a"},{"id":"occ_21f05f31bbd5fcababf66e7a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_958c915d-6261-4b5f-bac8-14843de46f49","section_id":"sec_57fdfde0-cca2-45cc-b2b7-72a4289d2824","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"このため、HBM4の次に来るHBM5世代では、単に帯域を伸ばすだけでは不十分になる。熱をどう逃がすかが、性能を維持するための核心になる。","quote_start":0,"quote_end":68,"text_sha256":"6dc931222c11b6c1e1039fc9f13449adea15679e9ead21988fcc16763f1d4516","block_sha256":"6dc931222c11b6c1e1039fc9f13449adea15679e9ead21988fcc16763f1d4516","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_958c915d-6261-4b5f-bac8-14843de46f49"},{"id":"occ_725e6bbe5bfa79c759118474","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_a5c93016-ee0f-49b2-94b2-412bbcfbfdf2","section_id":"sec_57fdfde0-cca2-45cc-b2b7-72a4289d2824","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":50,"end":52,"exact":"帯域","quote":"HBM4ではI/O幅が倍増する。すると、データの通り道は広がるが、その分、接続部の設計も難しくなる。帯域を増やすほど、D2D PHY周辺の電力、熱、配線密度が問題になりやすい。","quote_start":0,"quote_end":88,"text_sha256":"c04e856590c6b044473700996281a955b916546acea33fa569e3fcdc666956f9","block_sha256":"c04e856590c6b044473700996281a955b916546acea33fa569e3fcdc666956f9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_a5c93016-ee0f-49b2-94b2-412bbcfbfdf2"},{"id":"occ_be133ce414001be41120106c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_fa08f246-c277-4643-8ad4-c9475ebb6c5b","section_id":"sec_3a472444-b13f-4bbd-b116-2f6f1a05bcf3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":5,"end":7,"exact":"帯域","quote":"HBM4で帯域を増やす。","quote_start":0,"quote_end":12,"text_sha256":"14c1f9f6b3d0a42eb6fd6f1c75631badce72b04ec16f4d0840e5c496582b04f2","block_sha256":"14c1f9f6b3d0a42eb6fd6f1c75631badce72b04ec16f4d0840e5c496582b04f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_fa08f246-c277-4643-8ad4-c9475ebb6c5b"},{"id":"occ_7da135d155df3fd89e7828ce","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_fbef15b0-e10f-4723-a5cf-fd779918720d","section_id":"sec_b16b908f-7a43-4465-aef8-1850d5a0110d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"いま本当に重要になっているのは、GPUの隣に積まれる高帯域メモリ、すなわちHBMである。HBMはこれまで「GPUに近い場所に置かれる、非常に速いメモリ」と説明されることが多かった。しかしHBM4、そしてHBM5世代に向かう現在、その意味は変わりつつある。","quote_start":0,"quote_end":127,"text_sha256":"cdeeab622f07c5e6d9e9e71b83a5147331c2a7b2cacde86d8b5dc3817deef9b7","block_sha256":"cdeeab622f07c5e6d9e9e71b83a5147331c2a7b2cacde86d8b5dc3817deef9b7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_fbef15b0-e10f-4723-a5cf-fd779918720d"},{"id":"occ_edc1e9624e5629dfa5b144f5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_0353c979-4eb3-4bd2-a404-4954fbc8c902","section_id":"sec_5356cd89-e5d4-477d-ad2b-4ce3b6e4f161","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":7,"end":9,"exact":"帯域","quote":"性能がDRAM帯域、GPU性能、I/O性能で決まっている場合、L3容量だけを増やしても改善しない。","quote_start":0,"quote_end":49,"text_sha256":"fb1c30dca14bbd2a8b7cad3fdb9071f8b8b1951960f496d45efc5239ce9ce5dd","block_sha256":"fb1c30dca14bbd2a8b7cad3fdb9071f8b8b1951960f496d45efc5239ce9ce5dd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_0353c979-4eb3-4bd2-a404-4954fbc8c902"},{"id":"occ_6dc5c2a7b5468c1bb3fd29b3","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_1731908f-14f3-4d02-855d-8ccd50eafd60","section_id":"sec_30f73fb5-a3bb-4de1-a558-e7ce6c31fff7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":55,"end":57,"exact":"帯域","quote":"を1つのSoCに近い形へ統合できるとしている。接続ピッチはsub-10µmから拡張され、短いダイ間接続によって帯域、電源品質、信号品質、消費電力を改善する。([3DFabric](https://3dfabric.tsmc.com/english/dedicatedFoundry/technology/SoIC.","quote_start":0,"quote_end":157,"text_sha256":"cda100454cf7cb1cb90f0ba578a2cc26a1c27aaabe20bb6807dc4db87243152c","block_sha256":"cda100454cf7cb1cb90f0ba578a2cc26a1c27aaabe20bb6807dc4db87243152c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_1731908f-14f3-4d02-855d-8ccd50eafd60"},{"id":"occ_b6a37e84334d8e2ef5d7b3e3","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_49b18d3c-5521-47d2-9e51-ebf57e8f479e","section_id":"sec_5356cd89-e5d4-477d-ad2b-4ce3b6e4f161","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":3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帯域制約の処理","quote_start":0,"quote_end":10,"text_sha256":"97ef27a0ebfcf9cde738028a645e4900d6d370de4b29001642262a494acb50ff","block_sha256":"97ef27a0ebfcf9cde738028a645e4900d6d370de4b29001642262a494acb50ff","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_49b18d3c-5521-47d2-9e51-ebf57e8f479e"},{"id":"occ_accd112305b5c7f0aa095474","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_82308e10-eff0-47ea-80a4-b30db3d17d58","section_id":"sec_4a96d001-697f-4d65-9b5e-ddd403e5f740","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":24,"end":26,"exact":"帯域","quote":"- 高密度シリコン配線\n- ロジックとHBMの広帯域接続\n- eDTCによる電源安定化\n- 高い信号品質\n- AI・HPC向け","quote_start":0,"quote_end":63,"text_sha256":"88195ae9156700a7d1822232e355445463a1877521ef7defbdbd502fbc5c2d13","block_sha256":"88195ae9156700a7d1822232e355445463a1877521ef7defbdbd502fbc5c2d13","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_82308e10-eff0-47ea-80a4-b30db3d17d58"},{"id":"occ_b3c0756566bf2758d4f1a0ce","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_8a0ebb54-74f1-4c20-8d83-d95bb18173dc","section_id":"sec_ed5f83d0-efb3-4e26-877a-0f8cdede4701","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":9,"end":11,"exact":"帯域","quote":"## 接続ピッチと帯域","quote_start":0,"quote_end":11,"text_sha256":"f5752facc345556051a4267532379d7e52b8117639fe48051e07f9a90e222b8e","block_sha256":"f5752facc345556051a4267532379d7e52b8117639fe48051e07f9a90e222b8e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_8a0ebb54-74f1-4c20-8d83-d95bb18173dc"},{"id":"occ_0e00eb1dad2fd61a9e6bf31a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_bf1f5d98-a54d-4b9f-ac7d-68b0668ec5c5","section_id":"sec_ed5f83d0-efb3-4e26-877a-0f8cdede4701","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":16,"end":18,"exact":"帯域","quote":"ただし、接続数が9倍になれば実効帯域も必ず9倍になるわけではない。","quote_start":0,"quote_end":33,"text_sha256":"00c3d5b9baebc9947cb910a13cf60a2858ef42324500a1ce63d7a3aef6d51a25","block_sha256":"00c3d5b9baebc9947cb910a13cf60a2858ef42324500a1ce63d7a3aef6d51a25","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_bf1f5d98-a54d-4b9f-ac7d-68b0668ec5c5"},{"id":"occ_f9345e081c52f962b91d55fb","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_24d4eeea-8464-41e1-927c-5205737f8e53","section_id":"sec_0651644f-44b6-4cf9-a986-c1beff6ab5ca","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":58,"end":60,"exact":"帯域","quote":"DiskとSK hynixは、AIが学習中心から**推論中心**へシフトする中で、推論は継続稼働するため、**帯域、容量、電力制約がきつい**と説明しています。つまり、AIサービスが実運用され続けるほど、「HBMだけでは足りない」「でもSSDだけでは遅い」という問題が大きくなるわけです。 ([Sandisk](h","quote_start":3,"quote_end":160,"text_sha256":"e062ce3435936652c4e9153d4bc95fa381bce046aedd1fe176bffe089c4a05e1","block_sha256":"e062ce3435936652c4e9153d4bc95fa381bce046aedd1fe176bffe089c4a05e1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_24d4eeea-8464-41e1-927c-5205737f8e53"},{"id":"occ_8b7fc0d7fb10ebc8d3bd7745","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_2d95f021-9b69-4a7e-870b-61e2d50c353e","section_id":"sec_518dd53a-87e7-477e-ae4d-04bf71b86b07","layer":"code","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":56,"end":58,"exact":"帯域","quote":"``\nflowchart TB\n  A[GPU/AIアクセラレータ] --> B[HBM: 超低レイテンシ/高帯域 ただし容量/コスト制約]\n  A --> C[HBF: HBMに近い帯域を狙う NANDベース大容量/不揮発]\n  A --> D[NVMe SSD: 大容量/低コスト ただし帯域・レイテンシはメモ","quote_start":1,"quote_end":158,"text_sha256":"dee7e1bbd681d92a4f6aaa751a0b1870947b900677aec4e44bf5c44a35c47808","block_sha256":"dee7e1bbd681d92a4f6aaa751a0b1870947b900677aec4e44bf5c44a35c47808","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_2d95f021-9b69-4a7e-870b-61e2d50c353e"},{"id":"occ_1b8ae5ffabb655dab78e254c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_3fd67ee1-1f7a-4af4-9091-539ba38103a7","section_id":"sec_56aa7c03-c319-4d00-aefa-a0dfef1c82fe","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"- 読み出し帯域 **1.6TB/s**\n- 1ダイ **256Gb**\n- 16ダイスタックで **512GB**\n- HBM4に近いフットプリント/電力/スタック高さを狙う\n- AI推論向けに設計","quote_start":0,"quote_end":100,"text_sha256":"31d39e077e9c26d7599ce0c6ed402f0c4ea810ff5f050e353cf9310fc68a179f","block_sha256":"31d39e077e9c26d7599ce0c6ed402f0c4ea810ff5f050e353cf9310fc68a179f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_3fd67ee1-1f7a-4af4-9091-539ba38103a7"},{"id":"occ_0ed29e27bd57b4fa007ee146","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_4da9f107-98cd-4fd9-9b8c-92c2f7ec6612","section_id":"sec_1fd694df-d691-4e9b-bb28-c522fd673dba","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":30,"end":32,"exact":"帯域","quote":"SSDの主要性能指標は、IOPS（ランダムI/O処理能力）、帯域（シーケンシャル read/write）、レイテンシ（特にp95/p99）、耐久性（TBW/DWPD）、そしてデータ保護（PLP等）です。これらはNVMeの並列性と運用仕様（OCP）により“マルチテナ","quote_start":0,"quote_end":132,"text_sha256":"154f79b546c72832c786188f3a1497c9e7d1986b625743536876f91f90586de4","block_sha256":"154f79b546c72832c786188f3a1497c9e7d1986b625743536876f91f90586de4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_4da9f107-98cd-4fd9-9b8c-92c2f7ec6612"},{"id":"occ_4654c7f905e2a6e470073880","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_5777c6e5-e3ab-42d8-83e7-fc692b262d00","section_id":"sec_6bfa0a5a-4823-46ad-ae76-3435f6ef0c4b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":130,"end":132,"exact":"帯域","quote":"発表で、AI産業が「学習（training）から推論（inference）へ」シフトし、推論は常時稼働でメモリ帯域・容量・電力制約が厳しい、と説明しています。","quote_start":75,"quote_end":154,"text_sha256":"cf0f006f4d7dffce9645bea238f529d7851a7eb102e10d9aa4f6e466882858c6","block_sha256":"cf0f006f4d7dffce9645bea238f529d7851a7eb102e10d9aa4f6e466882858c6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_5777c6e5-e3ab-42d8-83e7-fc692b262d00"},{"id":"occ_2955457ca5def29744f9237d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_6cdcf3d3-7172-4382-b1d7-72342f53fcd3","section_id":"sec_1fd694df-d691-4e9b-bb28-c522fd673dba","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":51,"end":53,"exact":"帯域","quote":"データセンターSSD（特にNVMe）は、従来のHDD中心階層に対して「低レイテンシ」「高IOPS」「高帯域」を提供し、NVMeプロトコルは多数キュー/深いキュー深度など並列性によりソフトウェアスタックのレイテンシを下げる設計だと説明されています。さらにクラウド用途ではOCPのNVMe Cloud SSD仕","quote_start":0,"quote_end":153,"text_sha256":"524a2934a14953ba9704126743e505c7b1a35f0198c7ef98a0448b81b303d034","block_sha256":"524a2934a14953ba9704126743e505c7b1a35f0198c7ef98a0448b81b303d034","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_6cdcf3d3-7172-4382-b1d7-72342f53fcd3"},{"id":"occ_9a7f533e6394d54319be101d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_6deb390a-99a0-465c-9465-714c5b617ee5","section_id":"sec_518dd53a-87e7-477e-ae4d-04bf71b86b07","layer":"body","character_id":null,"count":3,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":21,"end":30,"exact":"Bandwidth","quote":"SanDiskが提唱するHBF（High Bandwidth Flash）は「NANDをベースに、HBMに近い帯域を狙い、HBMより大容量で、SSDより“メモリ寄り”の新階層」を作る構想です。公式ファクトシートでは、Gen1で読出帯域1.6 TB/s、16ダイ","quote_start":0,"quote_end":130,"text_sha256":"5ed95550425722bc7a4f24d6b54997f451cd7fb4da789fea27671cb5624daedf","block_sha256":"5ed95550425722bc7a4f24d6b54997f451cd7fb4da789fea27671cb5624daedf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_6deb390a-99a0-465c-9465-714c5b617ee5"},{"id":"occ_c8a0311a031b5a6ae4dbdcf4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_9b214c52-b2f4-4942-b88b-04c52bad4aaa","section_id":"sec_1fd694df-d691-4e9b-bb28-c522fd673dba","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":101,"end":103,"exact":"帯域","quote":"埋める」方向に変わり得ます。SanDiskはHBFを“HBMとSSDの間の新階層”と明示しており、推論のメモリ帯域/容量不足を狙い撃ちしています。したがって、SanDiskの“中期オプション価値”は（1）NAND/SSDサイクルの上振れ、（2）HBFによる“新しいNAND需要カテゴリ創出”の二層になり、2027–","quote_start":46,"quote_end":203,"text_sha256":"4600ed6776dbfb34fa55f03a0e83591b57148e1576829dd6a5301789340c616f","block_sha256":"4600ed6776dbfb34fa55f03a0e83591b57148e1576829dd6a5301789340c616f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_9b214c52-b2f4-4942-b88b-04c52bad4aaa"},{"id":"occ_acd371167cbad703bac3ee28","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_b372bea6-49f4-4d7c-912f-b7bc6e5f9c64","section_id":"sec_916815c8-dcf0-4c67-8ab4-fb95117b6700","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":55,"end":64,"exact":"Bandwidth","quote":"そして中期では、SanDiskをただのNANDメーカーで終わらせない可能性があるのが\\*\\*HBF（High Bandwidth Flash）\\*\\*です。  \nHBFが本当に立ち上がれば、SanDiskは「NAND市況株」から「AI推論時代の新しいメモリ階層を提案する会社」へ評価軸が変わる可能性があります。反対にHBFが空振","quote_start":0,"quote_end":164,"text_sha256":"eaf4d0a1df0774fdf29d49f7fb505ee69b675c9b0d3cd8b47b8dc9f7c33bd7e5","block_sha256":"eaf4d0a1df0774fdf29d49f7fb505ee69b675c9b0d3cd8b47b8dc9f7c33bd7e5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_b372bea6-49f4-4d7c-912f-b7bc6e5f9c64"},{"id":"occ_40c2fd9218e11fb3ed1514a6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_da53654b-529b-409c-8179-aca4647375fa","section_id":"sec_1fd694df-d691-4e9b-bb28-c522fd673dba","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":274,"end":276,"exact":"帯域","quote":"SDが必要になり得る、など“GPU近傍のI/O設計”が議論されており、SSD性能（4KB/512B IOPS、帯域）がAI基盤設計に直結することが示されています。","quote_start":219,"quote_end":300,"text_sha256":"1dce9ac69c56e7be1a63329e89097fb2f24f1f70f00278929e52e7a3766a4269","block_sha256":"1dce9ac69c56e7be1a63329e89097fb2f24f1f70f00278929e52e7a3766a4269","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_da53654b-529b-409c-8179-aca4647375fa"},{"id":"occ_b107148cdbd8a71447ebc8df","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_f442e9e7-5fd1-4d8e-b4af-3e3f14e5079a","section_id":"sec_3e3eaca0-67fc-49c7-b446-0e7a5fef6d13","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":137,"end":146,"exact":"Bandwidth","quote":"次情報（SEC/IR/プレスリリース）と市場データTrendForce、IDCで整理します。HBF（High Bandwidth Flash）の標準化動向はOpen Compute Project関連の発表を基に解説し、SSDのデータセンター用途と性能指標はNVM ExpressおよびSNIAの資料を主軸にまとめます。","quote_start":82,"quote_end":242,"text_sha256":"9d25a62e49d6126e8288edcf6a0722f255ab47c23b366fceb8a76ee59c09256f","block_sha256":"9d25a62e49d6126e8288edcf6a0722f255ab47c23b366fceb8a76ee59c09256f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_f442e9e7-5fd1-4d8e-b4af-3e3f14e5079a"},{"id":"occ_c41a2e5940162e1d6618f5ac","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_fdc32448-f0b9-48f0-8d4f-a32215ec0563","section_id":"sec_56aa7c03-c319-4d00-aefa-a0dfef1c82fe","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":11,"end":20,"exact":"Bandwidth","quote":"HBFは**High Bandwidth Flash**の略です。  \nSanDiskはこれを、**HBMとSSDの間に入る新しいメモリ階層**として提案しています。SK hynixと一緒にOCP配下で標準化も進めています。 ([Sandi","quote_start":0,"quote_end":120,"text_sha256":"7064fdd70ecdaad87d136e50e63f0aeee5fb314827224318d6efc056df1e2f78","block_sha256":"7064fdd70ecdaad87d136e50e63f0aeee5fb314827224318d6efc056df1e2f78","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_fdc32448-f0b9-48f0-8d4f-a32215ec0563"},{"id":"occ_4f3fdf1c9f99e6b2495303a5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_0f159c82-2d65-4aad-bb1a-2f27184df698","section_id":"sec_d17f0a97-9616-4658-9dbe-53d64ae256dc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":4,"end":6,"exact":"帯域","quote":"例えば総帯域が1TB/sでも、PHYがダイの辺を20mm使用するのか、5mmだけで済むのかでは、設計上の価値が大きく異なる。","quote_start":0,"quote_end":62,"text_sha256":"f90bc5f62e5d680ad3c42a44fffa28cf66da3e255056526e5282b3679970f17c","block_sha256":"f90bc5f62e5d680ad3c42a44fffa28cf66da3e255056526e5282b3679970f17c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_0f159c82-2d65-4aad-bb1a-2f27184df698"},{"id":"occ_36443eeff08a99c8beb5c531","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_1a4e3a6d-71bf-4a8e-8d4b-290e51beae42","section_id":"sec_d17f0a97-9616-4658-9dbe-53d64ae256dc","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"**DBW**：帯域密度  \n**Btotal**：PHY全体の帯域  \n**LPHY**：PHYが使用するダイ辺長","quote_start":0,"quote_end":58,"text_sha256":"bf18b185c6261ca3c9257cb26a2b8d4fa805c13db49bbe1792efeed47d8f1b94","block_sha256":"bf18b185c6261ca3c9257cb26a2b8d4fa805c13db49bbe1792efeed47d8f1b94","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_1a4e3a6d-71bf-4a8e-8d4b-290e51beae42"},{"id":"occ_e2cba30def087a0553c07ba1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_1c68e222-ab9d-41ed-921a-741dadfb3b72","section_id":"sec_a8fac65d-09a0-422e-918e-39b2306c7779","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"1方向の理論帯域は、基本的にはレーン数と1レーン当たりの転送速度で決まる。","quote_start":0,"quote_end":37,"text_sha256":"a32d3ca746a794c69edd726c91b840bd922f685063a2498f40eda349bd46bb94","block_sha256":"a32d3ca746a794c69edd726c91b840bd922f685063a2498f40eda349bd46bb94","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_1c68e222-ab9d-41ed-921a-741dadfb3b72"},{"id":"occ_b532d4f12fddcff18f672f3c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_27ff9bdb-c296-4b09-9ec1-9fd388ca2718","section_id":"sec_d17f0a97-9616-4658-9dbe-53d64ae256dc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":15,"end":17,"exact":"帯域","quote":"そのため、ダイ辺1mm当たりの帯域が指標になる。","quote_start":0,"quote_end":24,"text_sha256":"df6f6461eca9fc3758d03e1d4a0de1b51228c8080c8a9308693fd0ea20039477","block_sha256":"df6f6461eca9fc3758d03e1d4a0de1b51228c8080c8a9308693fd0ea20039477","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_27ff9bdb-c296-4b09-9ec1-9fd388ca2718"},{"id":"occ_9e9c4f81a9a6d12b0d72ed61","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_3c084cf5-651b-4640-b0ab-d2df4697a2f0","section_id":"sec_927a59e9-ffcc-4176-8d7a-ab35cc4bfb83","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":57,"end":59,"exact":"帯域","quote":"26年時点のUCIe 3.0では、48GT/sと64GT/sが追加され、UCIe 2.0の最大32GT/sから帯域が拡張されている。ただし、これは規格上の対応速度であり、すべての製品が直ちに64GT/sで動作するという意味ではない。([UCIe Consortium](https://www.uciexpress","quote_start":2,"quote_end":159,"text_sha256":"62575b13aed61e63702686afd82dd5080f8d46d19011881b83e1d08ccfe6d8ce","block_sha256":"62575b13aed61e63702686afd82dd5080f8d46d19011881b83e1d08ccfe6d8ce","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_3c084cf5-651b-4640-b0ab-d2df4697a2f0"},{"id":"occ_23f479dc70fce9e31fd9f25f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_3c9b52b9-b960-45d1-a0a7-4de5f0daa842","section_id":"sec_4fe72765-e766-4e3c-a659-c0cc1b77bdaa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":84,"end":86,"exact":"帯域","quote":"Bonding向けに10～25µm級から1µm以下までの接続ピッチを想定している。これは2D・2.5Dより高い帯域密度と電力効率を狙うものである。([UCIe Consortium](https://www.uciexpress.org/specifications))","quote_start":29,"quote_end":164,"text_sha256":"900f0a81e0d20b90319a6fd2cf31fea79246d46c163d3be912c875d7f5dd5992","block_sha256":"900f0a81e0d20b90319a6fd2cf31fea79246d46c163d3be912c875d7f5dd5992","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_3c9b52b9-b960-45d1-a0a7-4de5f0daa842"},{"id":"occ_7d7a5146365b1b64baec68ab","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_44bee869-6b81-48ba-8d2c-66a42ebb0a40","section_id":"sec_1b3ae7f0-b5c7-4365-b80b-b5fd295f595c","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"```\n高い帯域\n   ＋\n低い遅延\n   ＋\n低いpJ/bit\n   ＋\n小さなPHY面積\n   ＋\n少ないバンプ数\n   ＋\n高い信頼性\n```","quote_start":0,"quote_end":74,"text_sha256":"1d6f2cd527879ac35615a1f39043191be5ab0eefd8dae5133b87a7e4999ce11e","block_sha256":"1d6f2cd527879ac35615a1f39043191be5ab0eefd8dae5133b87a7e4999ce11e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_44bee869-6b81-48ba-8d2c-66a42ebb0a40"},{"id":"occ_70f7a05f48ce4b78ca408fc4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_4a7b8319-309d-4109-9194-7d1ed3baf990","section_id":"sec_6b5f86af-5938-4689-84eb-1a559cd25dd5","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":7,"end":9,"exact":"帯域","quote":"```\nPHY帯域を増やす\n       ↓\n内部NoCが処理できない\n       ↓\nバッファが満杯\n       ↓\nリンクが待たされる\n       ↓\n実効性能は伸びない\n```","quote_start":0,"quote_end":94,"text_sha256":"0065521a3404c99e395df811c45cb77030d65ce1e2761c68cac34e8811302e78","block_sha256":"0065521a3404c99e395df811c45cb77030d65ce1e2761c68cac34e8811302e78","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_4a7b8319-309d-4109-9194-7d1ed3baf990"},{"id":"occ_61a10ac8c9b02cd16f9cba79","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_4c60f15a-50a4-44e6-a94f-5827b89999ea","section_id":"sec_d17f0a97-9616-4658-9dbe-53d64ae256dc","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":10,"end":12,"exact":"帯域","quote":"チップレットでは、総帯域だけでなく**帯域密度**が重要になる。","quote_start":0,"quote_end":32,"text_sha256":"0aa89fa337d704bd61c5717702840f2242ad70ad88ac4c39bbbfb374fb791908","block_sha256":"0aa89fa337d704bd61c5717702840f2242ad70ad88ac4c39bbbfb374fb791908","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_4c60f15a-50a4-44e6-a94f-5827b89999ea"},{"id":"occ_f01ad685b6a313856b896074","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_510cc1c3-2d2d-4986-abcd-ad7a2164c6e7","section_id":"sec_dcf2770c-0d03-4eb2-b793-0e0d355f5ce6","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"UCIeではAdvanced Packageを、高帯域、短距離、低遅延を重視する構成としている。([UCIe Consortium](https://www.uciexpress.org/post/how-ucie-will-enable-broad-c","quote_start":0,"quote_end":127,"text_sha256":"42043cb80395f0ac291a4e3ee17811fdaa3f49dd910a33ebacc36f714a0ded04","block_sha256":"42043cb80395f0ac291a4e3ee17811fdaa3f49dd910a33ebacc36f714a0ded04","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_510cc1c3-2d2d-4986-abcd-ad7a2164c6e7"},{"id":"occ_aa1886b2f146ab5290666aa3","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_59d9c1ac-db63-4384-a5b7-f491e98bc689","section_id":"sec_3fa9fd0b-8278-4ea4-8d0e-785d0e085f6c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":11,"end":13,"exact":"帯域","quote":"## PHYを増やせば帯域は無制限に増えるのか","quote_start":0,"quote_end":23,"text_sha256":"b6d428b8f5bad03dda3231c041585ee0c45642483b32ae2c44843a9ae99385cd","block_sha256":"b6d428b8f5bad03dda3231c041585ee0c45642483b32ae2c44843a9ae99385cd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_59d9c1ac-db63-4384-a5b7-f491e98bc689"},{"id":"occ_9453403c57f97132e4c89d7b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_6b59f60e-299e-456a-a043-d629ffd009af","section_id":"sec_923059a5-b8cc-49e2-adc5-bb6453ec300f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":30,"end":32,"exact":"帯域","quote":"レーン数を増やせば、各レーンを極端に高速化しなくても大きな総帯域を得られる。","quote_start":0,"quote_end":38,"text_sha256":"1878fff944978df831c0766b584f6d954e7f9bb66ef7c814c8072fefc13edcc1","block_sha256":"1878fff944978df831c0766b584f6d954e7f9bb66ef7c814c8072fefc13edcc1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_6b59f60e-299e-456a-a043-d629ffd009af"},{"id":"occ_495d6bf942bf0072959d54b7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_75542451-65fa-4d94-b51f-8dce6c34521e","section_id":"sec_3fa9fd0b-8278-4ea4-8d0e-785d0e085f6c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":11,"end":13,"exact":"帯域","quote":"レーン数を増やせば理論帯域は増加する。","quote_start":0,"quote_end":19,"text_sha256":"3a8610f4081d142e018cd8545ebc32b17449f33c2e31061e8dc5bcec49709879","block_sha256":"3a8610f4081d142e018cd8545ebc32b17449f33c2e31061e8dc5bcec49709879","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_75542451-65fa-4d94-b51f-8dce6c34521e"},{"id":"occ_11e85d24d3d0f4c76269c243","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_793ede97-0051-4f88-9e72-4bc7eee3f3b6","section_id":"sec_99d8083d-5caa-49c4-a3fe-dddcb48ac22f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"特にCPUキャッシュ間のような低遅延通信では、最高帯域だけでなく、","quote_start":0,"quote_end":33,"text_sha256":"228afd80655d4bb5df1c25cb91ac6abb877ae1dd04939ef4d21b3d24b1309960","block_sha256":"228afd80655d4bb5df1c25cb91ac6abb877ae1dd04939ef4d21b3d24b1309960","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_793ede97-0051-4f88-9e72-4bc7eee3f3b6"},{"id":"occ_68f28c6c57916a94aa9f210a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_7f9c5cfa-4dd0-4e38-aec8-29edafefd3c8","section_id":"sec_d347a7c4-e13a-4b7a-bd1e-408c892a30b2","layer":"body","character_id":null,"count":4,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":246,"end":248,"exact":"帯域","quote":"レーンを使う並列方式と、少数の高速レーンを使うシリアル方式があり、実際には両者の中間構成も使われる。\n- 理論帯域は、基本的にレーン数と1レーン当たりの転送速度の積で決まる。\n- 実効帯域は、ヘッダー、CRC、制御情報、再送などのオーバーヘッドによって小さくなる。\n- Die-to-Dieでは総帯域だけでなく、ダ","quote_start":191,"quote_end":348,"text_sha256":"c981977771139e5e50040a83ccd2d84f984cac46d3abad268a645948de938ce3","block_sha256":"c981977771139e5e50040a83ccd2d84f984cac46d3abad268a645948de938ce3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_7f9c5cfa-4dd0-4e38-aec8-29edafefd3c8"},{"id":"occ_1c004278bfe56d670cf215b8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_8737da87-bd3e-4e96-a173-29307d2d9cd0","section_id":"sec_b41ec46f-382f-4bbc-9447-9c389ea15c4e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":20,"end":22,"exact":"帯域","quote":"1bit当たりのエネルギーが低くても、総帯域が非常に大きければPHY全体の電力は増える。","quote_start":0,"quote_end":44,"text_sha256":"d28ce8a3b56a7f837051426f360f4e40b6b73a94cb6a17f025ff670305661b37","block_sha256":"d28ce8a3b56a7f837051426f360f4e40b6b73a94cb6a17f025ff670305661b37","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_8737da87-bd3e-4e96-a173-29307d2d9cd0"},{"id":"occ_7d8eab20954ab6189f5e9fae","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_89752570-15e8-44f2-91dc-a31a1905568f","section_id":"sec_4fe72765-e766-4e3c-a659-c0cc1b77bdaa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"この場合は、辺長当たりだけでなく、接合面積当たりの帯域が重要になる。","quote_start":0,"quote_end":34,"text_sha256":"768dfbbd4640acfaa79d4ac555d55e9090950850bfcfff63444015cff1d3660e","block_sha256":"768dfbbd4640acfaa79d4ac555d55e9090950850bfcfff63444015cff1d3660e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_89752570-15e8-44f2-91dc-a31a1905568f"},{"id":"occ_6eca7c2ba378b06a25b00e22","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_9b211fba-5c3a-4749-a0d7-47ca2d67edfa","section_id":"sec_d17f0a97-9616-4658-9dbe-53d64ae256dc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":3,"end":5,"exact":"帯域","quote":"## 帯域密度","quote_start":0,"quote_end":7,"text_sha256":"7d728866a4d51db3787e7efe30022e953adcf996afd32855abd02664573fa6f1","block_sha256":"7d728866a4d51db3787e7efe30022e953adcf996afd32855abd02664573fa6f1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_9b211fba-5c3a-4749-a0d7-47ca2d67edfa"},{"id":"occ_e0eaaae78e0fac3891a003ea","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_a6f37f26-267e-4ac5-9f9b-253157d8c6dd","section_id":"sec_a8fac65d-09a0-422e-918e-39b2306c7779","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":5,"end":7,"exact":"帯域","quote":"## 生の帯域はどう決まるのか","quote_start":0,"quote_end":15,"text_sha256":"71c524350cc0c911259b8194fba663eb5ac09a37c5cf1ade3cd742d4ec857df1","block_sha256":"71c524350cc0c911259b8194fba663eb5ac09a37c5cf1ade3cd742d4ec857df1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_a6f37f26-267e-4ac5-9f9b-253157d8c6dd"},{"id":"occ_22adde3b598f13536242ab0a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_a764c9bc-e302-4f88-b14f-8c95e5387817","section_id":"sec_1b3ae7f0-b5c7-4365-b80b-b5fd295f595c","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":15,"end":17,"exact":"帯域","quote":"```\nレーン数を増やす\n→ 帯域は増える\n→ バンプ・配線・面積も増える\n\n1レーンを高速化する\n→ レーン数を減らせる\n→ PHY電力・回路複雑度が増える\n\n信号振幅を下げる\n→ 電力を減らせる\n→ ノイズへの余裕が減る\n\nパイプ","quote_start":0,"quote_end":117,"text_sha256":"88dcd097df4d465870bb9423f5476097e8f657c262bf926428299699ec83965e","block_sha256":"88dcd097df4d465870bb9423f5476097e8f657c262bf926428299699ec83965e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_a764c9bc-e302-4f88-b14f-8c95e5387817"},{"id":"occ_161227c313235dde72c70347","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_aa3a7eac-cf02-46da-b8f5-70053e439dfd","section_id":"sec_a8fac65d-09a0-422e-918e-39b2306c7779","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":5,"end":7,"exact":"帯域","quote":"ただし実効帯域は、","quote_start":0,"quote_end":9,"text_sha256":"5a63520bb5c1d9d25fdd6403412853c5392a280bd4fdf1aa6b48321d18b4d587","block_sha256":"5a63520bb5c1d9d25fdd6403412853c5392a280bd4fdf1aa6b48321d18b4d587","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_aa3a7eac-cf02-46da-b8f5-70053e439dfd"},{"id":"occ_9ca537a624981fe797a18974","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_b7e3d6b3-6f1f-4617-bf18-30d64ba5d399","section_id":"sec_a8fac65d-09a0-422e-918e-39b2306c7779","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":14,"end":16,"exact":"帯域","quote":"**Braw**：理論上の生帯域  \n**Nlane**：データレーン数  \n**Rlane**：1レーン当たりの転送速度","quote_start":0,"quote_end":61,"text_sha256":"3509cc35114f79db9df9555eb9904201038127c70cf798c547f3d00803206ee5","block_sha256":"3509cc35114f79db9df9555eb9904201038127c70cf798c547f3d00803206ee5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_b7e3d6b3-6f1f-4617-bf18-30d64ba5d399"},{"id":"occ_1e3e3f183f3720d561e81ace","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_dc806ab3-0a7a-411a-a8db-2787a89f6d84","section_id":"sec_dcf2770c-0d03-4eb2-b793-0e0d355f5ce6","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":73,"end":75,"exact":"帯域","quote":"バーを小さくできる\n- レーン数を増やせる\n- イコライザーを簡素化できる\n- pJ/bitを下げやすい\n- 帯域密度を高めやすい","quote_start":18,"quote_end":83,"text_sha256":"a4e863f0eaefc8f5b5e2ffb134b8f90cf07a46989f0dae4a329186f5419a7191","block_sha256":"a4e863f0eaefc8f5b5e2ffb134b8f90cf07a46989f0dae4a329186f5419a7191","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_dc806ab3-0a7a-411a-a8db-2787a89f6d84"},{"id":"occ_7fbc88016155c6f51b05672c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89aecdf6-89fd-445d-a71c-7e189e82904d","work_id":"wrk_ba5a7d4f-28ea-48c9-9ce8-ad54ea806099","block_id":"blk_dd1057d7-9dd1-430b-a4b4-20000ad2a7fe","section_id":"sec_6b3aed12-2845-4318-a76d-cc923ffbfbc9","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":22,"end":24,"exact":"帯域","quote":"どこでダイを分割するかによって、必要なPHY帯域は大きく変わる。","quote_start":0,"quote_end":32,"text_sha256":"fc1de6ef37ee2a0a5d0ef360b8687de1c97a16ab8524dc2e3133c275ee2da51e","block_sha256":"fc1de6ef37ee2a0a5d0ef360b8687de1c97a16ab8524dc2e3133c275ee2da51e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89aecdf6-89fd-445d-a71c-7e189e82904d/#blk_dd1057d7-9dd1-430b-a4b4-20000ad2a7fe"},{"id":"occ_26579b83b5835f239caeee41","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_0f4456ef-e8c2-4bb8-ac61-0b5eee61f57e","section_id":"sec_c7c61ea4-766e-440d-9f4f-1a3d8e230c7d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":36,"end":38,"exact":"帯域","quote":"SamsungがロジックとHBMの両方を供給すれば、SRAM容量とHBM帯域の配分、HBMコントローラー、ベースダイ、信号電圧、電力管理、パッケージ配線、熱設計を同じロードマップで調整しやすくなる。","quote_start":0,"quote_end":99,"text_sha256":"4e21aa0e1100b4b538b3244b3a2dc26cb3f015d36c3409e7a5a8d34fba61a88c","block_sha256":"4e21aa0e1100b4b538b3244b3a2dc26cb3f015d36c3409e7a5a8d34fba61a88c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_0f4456ef-e8c2-4bb8-ac61-0b5eee61f57e"},{"id":"occ_dc8d5205bf8d4c98d176e9c1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_86ba70ef-51dc-4ff2-9e32-dc5396d833a9","section_id":"sec_de5652bb-53e5-4fa8-ab4a-b917ff941cda","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":59,"end":61,"exact":"帯域","quote":"AMを増やす目的 | 効果 |\n| --- | --- |\n| HBMから同じ重みを繰り返し読まない | 必要帯域と電力を削減 |\n| 中間結果を外部へ書き戻さない | レイテンシとメモリー traffic を削減 |\n| 行列演算のタイルを再利用する | 演算器の稼働率を上げる |\n| ホットなKVキャッシュを","quote_start":4,"quote_end":161,"text_sha256":"f83e08ae01d9e71b3932cd3fec77d4ac2f9ddf3fb23047d7f678ebafd13ae31b","block_sha256":"f83e08ae01d9e71b3932cd3fec77d4ac2f9ddf3fb23047d7f678ebafd13ae31b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_86ba70ef-51dc-4ff2-9e32-dc5396d833a9"},{"id":"occ_adbeb70d3dd7511f8b07fde2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_8b5db2f5-3f13-4fd8-8ca6-60a1bce5c498","section_id":"sec_84b44525-b6cd-43bb-ad64-922836cfe91b","layer":"character","character_id":"zetu_noia","count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":53,"end":55,"exact":"帯域","quote":"私はここに、AI半導体の面白さを見ます。SRAMは小さく、速く、熱い。HBMは大きく、広く、GPUのそばで帯域を渡す。レジスタは演算器の手の中にあり、NANDは遠い書庫にある。どれが偉いかではなく、**どのデータをどの距離に置くか**が設計そのものになる。","quote_start":0,"quote_end":128,"text_sha256":"e4e04cba665d11f4b6a905a3ef460a55de57fbd8025b4a03ce181e8890d66179","block_sha256":"e4e04cba665d11f4b6a905a3ef460a55de57fbd8025b4a03ce181e8890d66179","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_8b5db2f5-3f13-4fd8-8ca6-60a1bce5c498"},{"id":"occ_9579ba6c6deb40a2028ad07b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_d3729523-7232-45e5-9027-4baf27aa3277","section_id":"sec_de5652bb-53e5-4fa8-ab4a-b917ff941cda","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":45,"end":47,"exact":"帯域","quote":"```text\n少量の高価なSRAMを追加\n  ↓\nHBMアクセス回数を削減\n  ↓\n必要帯域と消費電力を削減\n  ↓\n演算器の稼働率を向上\n```","quote_start":0,"quote_end":74,"text_sha256":"6745b0d55fb47ede48f1091d47cae3f74518f3d41b2d765d050fcdd8cd35657e","block_sha256":"6745b0d55fb47ede48f1091d47cae3f74518f3d41b2d765d050fcdd8cd35657e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_d3729523-7232-45e5-9027-4baf27aa3277"},{"id":"occ_992e7ac1626e9a440aed7884","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_e672e6e4-53c9-4aad-bce1-5f5b2e6809e7","section_id":"sec_997e0445-d9ff-47bf-b40f-47ffdb10025c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":161,"end":163,"exact":"帯域","quote":"くなる可能性がある。MicronのHBM3Eは1スタック当たり24GBまたは36GBで、1.2TB/sを超える帯域を持つ。([Micron 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Good Die、端面処理、交換性、現場保守が成立しなければ、データセンターへ広がらない。","quote_start":0,"quote_end":97,"text_sha256":"02ac8fcb500de5098f39cbfbf044711be501b21de5878dd52ba7af78b503ff95","block_sha256":"02ac8fcb500de5098f39cbfbf044711be501b21de5878dd52ba7af78b503ff95","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9330c0a6-6c9f-45f7-a40e-ddd1678a57a2/#blk_a2bc86e3-f030-422d-add4-c1ecfabede4b"},{"id":"occ_adb183c86a25ce6d73a8d3e5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_1e5c25dd-e5a9-45e9-98ff-1d9ff7dbdafd","section_id":"sec_3b5832dc-a184-46de-a409-c3c2ed0c6afe","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":19,"end":21,"exact":"帯域","quote":"LPDDRをCPUに近づけると、メモリ帯域/Wが改善しやすく、AI前処理、RAG、推論制御、サンドボックス、エージェント処理には有利です。  \nただし、従来のDDR DIMM中心サーバーに比べると、メモリ増設性、交換性、構成自由度が変わる可能","quote_start":0,"quote_end":121,"text_sha256":"c9630efd4e9a7f43bcf4f780847a69210f6f864e8a3a62198aec53d50c7c60b9","block_sha256":"c9630efd4e9a7f43bcf4f780847a69210f6f864e8a3a62198aec53d50c7c60b9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_1e5c25dd-e5a9-45e9-98ff-1d9ff7dbdafd"},{"id":"occ_5518c04200e215eeb583eb39","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_23a56f42-7159-45bb-96de-cf5353e13703","section_id":"sec_47216bd4-f0b3-4f7e-9270-8ba6c60fec00","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":56,"end":58,"exact":"帯域","quote":"rmの製品ブリーフでは、AGI CPUは最大136個のNeoverse V3コア、6GB/s/coreのメモリ帯域、sub-100nsレイテンシ、300W TDP、36kW空冷ラックで最大8,160コアという密度を訴求しています。([arm.com](https://www.arm.com/static/az/p","quote_start":1,"quote_end":158,"text_sha256":"343a8706c82e00d95b1d4f591e369fc03130a7a2e8613e307c34a5b425e807a4","block_sha256":"343a8706c82e00d95b1d4f591e369fc03130a7a2e8613e307c34a5b425e807a4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_23a56f42-7159-45bb-96de-cf5353e13703"},{"id":"occ_eb9367baaf2f1a588261b7a9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_23f76a69-d1b9-4b05-ac48-b2aef4cd96f3","section_id":"sec_03af3792-749e-4fdf-9bc4-f6c0aaabb136","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":140,"end":142,"exact":"帯域","quote":"す。Veraは88個のOlympusコア、176スレッド、最大1.5TB LPDDR5X、1.2TB/sメモリ帯域、1.8TB/s NVLink-C2Cを持ち、agentic AI、強化学習、サンドボックス実行、GPUを待たせないオーケストレーションに最適化されています。([SEC](https://www.se","quote_start":85,"quote_end":242,"text_sha256":"9846f3e1dbee82450416459b71c071437ed071127ab9c2b07195366e6414375e","block_sha256":"9846f3e1dbee82450416459b71c071437ed071127ab9c2b07195366e6414375e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_23f76a69-d1b9-4b05-ac48-b2aef4cd96f3"},{"id":"occ_d87992e7c5be56c17cfd3631","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_3a8e499b-62db-4869-a073-718b4faf1f4c","section_id":"sec_ef483d86-a696-4b38-9522-d9161635dc29","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":47,"end":49,"exact":"帯域","quote":"Graceの特徴は、サーバーCPUでありながら、通常のDDRではなく**LPDDR5Xを使う高帯域・高効率設計**にあります。  \nこれはスマホ的な省電力メモリ技術を、データセンターCPUへ持ち込んだ形です。","quote_start":0,"quote_end":104,"text_sha256":"68bdf1f9edc1afcafd5e7a79bae43679271074caa4512c45bc5d1522741d8864","block_sha256":"68bdf1f9edc1afcafd5e7a79bae43679271074caa4512c45bc5d1522741d8864","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_3a8e499b-62db-4869-a073-718b4faf1f4c"},{"id":"occ_5a7cd6abc7ba3ed4797fd7bd","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_621d7623-8edb-4683-9b64-8fd56688cf3b","section_id":"sec_1635d7ea-f4aa-4fa4-9d14-09326e2abbef","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":143,"end":145,"exact":"帯域","quote":"8個のNVIDIA独自Olympusコア、176スレッド、最大1.5TB LPDDR5X、1.2TB/sメモリ帯域、1.8TB/s NVLink-C2Cを備えます。([NVIDIA Developer](https://developer.nvidia.com/blog/nvidia-vera-cpu-deliv","quote_start":88,"quote_end":245,"text_sha256":"33430764425cb6759782f52cd119b63894e2bdf8c35b854a4cde067be973123c","block_sha256":"33430764425cb6759782f52cd119b63894e2bdf8c35b854a4cde067be973123c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_621d7623-8edb-4683-9b64-8fd56688cf3b"},{"id":"occ_fe864eb87f4268f9c19dbf03","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_64c8e95f-a724-415c-bcf6-c0ded3264b76","section_id":"sec_ef483d86-a696-4b38-9522-d9161635dc29","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":139,"end":141,"exact":"帯域","quote":"Link-C2Cで接続し、144個のArm Neoverse V2コア、最大1TB/s級のLPDDR5Xメモリ帯域を持ちます。([GIGABYTE](https://www.gigabyte.com/FileUpload/Global/WebPage/1052/NVIDIA_2026_1H_V2.pdf?utm_","quote_start":84,"quote_end":241,"text_sha256":"38ea226ee312099634febe578c91b3a299e410f0f931b66555b0fab505fc6265","block_sha256":"38ea226ee312099634febe578c91b3a299e410f0f931b66555b0fab505fc6265","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_64c8e95f-a724-415c-bcf6-c0ded3264b76"},{"id":"occ_d07b26c6bfc5b8dec0398d43","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_672e7636-537c-466d-82b5-f07a7b231db5","section_id":"sec_35bb199e-6c77-4b8d-839b-e0eaf3b06bb8","layer":"code","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":13,"end":15,"exact":"帯域","quote":"```\n高コア数\n高メモリ帯域\nPCIe Gen6級I/O\nCPU-GPU帯域拡大\nx86互換\nクラウド/HPC/AIホスト用途\n```","quote_start":0,"quote_end":68,"text_sha256":"dc982852c7549e83c1b6f1ec977cfcee29f09b7dc9c2c806ac13e24bab862a51","block_sha256":"dc982852c7549e83c1b6f1ec977cfcee29f09b7dc9c2c806ac13e24bab862a51","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_672e7636-537c-466d-82b5-f07a7b231db5"},{"id":"occ_730f621e9c6953be179d329b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_86dca3fa-2e30-4774-b2dc-37f084255342","section_id":"sec_4d53ceec-4948-4e97-bc81-cbcb507d7d8d","layer":"body","character_id":null,"count":4,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":71,"end":73,"exact":"帯域","quote":"/ Veranoも設計資源をAI向けに振っているという点です。CPU設計では、限られたチップ面積、電力、メモリ帯域、I/O帯域、パッケージ配線を、どの処理に割り当てるかを決める必要があります。Veniceでは、高コア数、高メモリ帯域、CPU-GPU帯域、PCIe/CXL系I/Oが重視されます。Veranoでは、A","quote_start":16,"quote_end":173,"text_sha256":"deb6211e99c016ec732f3e73ff4643a0b58bb957493aef4834f854f1687f8fa1","block_sha256":"deb6211e99c016ec732f3e73ff4643a0b58bb957493aef4834f854f1687f8fa1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_86dca3fa-2e30-4774-b2dc-37f084255342"},{"id":"occ_3017574b0d120b18b5e72cb9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_87982ca9-cd78-4f9c-b359-b3e2d3ea5431","section_id":"sec_4d53ceec-4948-4e97-bc81-cbcb507d7d8d","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":37,"end":39,"exact":"帯域","quote":"AMD資料では、Veniceは**最大256コア、最大1.6TB/sメモリ帯域、CPU-GPU帯域2倍、世代性能最大1.7倍**という方向性が示されています。Heliosラックでは、VeniceがMI400系GPUやPensando NICと組み合わされ、AIラック全体を支える","quote_start":0,"quote_end":139,"text_sha256":"68af51cb4417e9630d01b3a004ac01a2852feb55170d3d3db3c618262a626a26","block_sha256":"68af51cb4417e9630d01b3a004ac01a2852feb55170d3d3db3c618262a626a26","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_87982ca9-cd78-4f9c-b359-b3e2d3ea5431"},{"id":"occ_0c9c5604f3dfc41d842ddda6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_9b84f2dc-d46e-48fb-aeeb-cfd7e0343ee0","section_id":"sec_5e0d3f46-32a7-4c59-b79a-095396504d58","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":35,"end":37,"exact":"帯域","quote":"例えば、コア数を増やせば並列処理は強くなりますが、1コアあたりのメモリ帯域が薄くなりやすい。  \nキャッシュを増やせば再利用データに強くなりますが、チップ面積を使います。  \nNVLinkのような専用接続を入れればGPU密結合に強くなりますが、汎用サーバーでは過剰装備になり","quote_start":0,"quote_end":137,"text_sha256":"70a14bc7d2b524c7938d24074fa7d858e6fe6858cc558315231660c1ffdf6b11","block_sha256":"70a14bc7d2b524c7938d24074fa7d858e6fe6858cc558315231660c1ffdf6b11","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_9b84f2dc-d46e-48fb-aeeb-cfd7e0343ee0"},{"id":"occ_01f6ed09afbc3e105d0a93e8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_a9957207-fffe-409d-bf7b-84e7fb857ea1","section_id":"sec_f9bafe6e-b4be-47fb-b715-612ff6462692","layer":"code","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":95,"end":97,"exact":"帯域","quote":"6スレッドとして使い、多数のAI制御タスクを処理\n\n2. LPDDR5X / SOCAMM\n   CPU側に高帯域・大容量メモリを置き、GPUのHBMを補助\n\n3. NVLink-C2C\n   CPUとRubin GPUを高帯域・低遅延でつなぐ\n\n4. AI制御向け設計\n   KVキャッシュ、推論リクエスト、RL","quote_start":40,"quote_end":197,"text_sha256":"4a2b91ba61f96dfe40096063d2769223e6684523d7918cec0d0517fd1c73fb80","block_sha256":"4a2b91ba61f96dfe40096063d2769223e6684523d7918cec0d0517fd1c73fb80","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_a9957207-fffe-409d-bf7b-84e7fb857ea1"},{"id":"occ_e138d23a13fcc8122f09eb62","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_ac5db5f4-4b7b-4088-b170-d03cfccfd505","section_id":"sec_62fd3395-a9bc-4c0c-8556-76634efad8d8","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":44,"end":46,"exact":"帯域","quote":"AMDはHeliosラック向け資料で、Veniceを最大256コア、1.6TB/sメモリ帯域、前世代比最大1.7倍性能、CPU-GPU帯域2倍と説明しています。","quote_start":0,"quote_end":80,"text_sha256":"9ce5652dee837d4d9d8468d70cb2e2a8214791e83dfc390076d20cae7836f925","block_sha256":"9ce5652dee837d4d9d8468d70cb2e2a8214791e83dfc390076d20cae7836f925","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_ac5db5f4-4b7b-4088-b170-d03cfccfd505"},{"id":"occ_797f33b9b63ca50db6ef2c1b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_bdfb9c35-afa8-4e40-80cb-4d866b2dd5ad","section_id":"sec_d6d81eb5-9dc0-45ea-a64a-fade546774e1","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":107,"end":109,"exact":"帯域","quote":"8個のNVIDIA独自Olympusコア、176スレッド、最大1.5TB LPDDR5X、1.2TB/sメモリ帯域、1.8TB/s NVLink-C2Cを備えます。([NVIDIA Developer](https://developer.nvidia.com/blog/nvidia-vera-cpu-deliv","quote_start":52,"quote_end":209,"text_sha256":"7ac52b332a6b196474480e0ba4ddf0efd6e948cc5cdde5c2fe81e47a41b24021","block_sha256":"7ac52b332a6b196474480e0ba4ddf0efd6e948cc5cdde5c2fe81e47a41b24021","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_bdfb9c35-afa8-4e40-80cb-4d866b2dd5ad"},{"id":"occ_239ad7a7f09802df3779da5c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_be0c5af2-afb6-4808-becc-64956bc4274e","section_id":"sec_8285f796-0197-4fa3-aaef-9f51645bf5a1","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":77,"end":79,"exact":"帯域","quote":"m CPUの代表です。Graviton4は96コア級で、Graviton3より50%多いコア、75%多いメモリ帯域を持つと説明されています。([Arm Developer](https://developer.arm.com/community/arm-community-blogs/b/servers-and-","quote_start":22,"quote_end":179,"text_sha256":"a627f6f66b5530b64649b53e20bdc41e94253fc364fc7f2a4147ccd052bacca4","block_sha256":"a627f6f66b5530b64649b53e20bdc41e94253fc364fc7f2a4147ccd052bacca4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_be0c5af2-afb6-4808-becc-64956bc4274e"},{"id":"occ_aa30bba67c4ce59cddc7459b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_c157daba-d987-47a8-9e83-ded3c9111ab9","section_id":"sec_ed68ba05-8997-4209-854e-f87bece86dfb","layer":"body","character_id":null,"count":1,"matched_aliases":["data movement"],"evidence":{"text_basis":"markdown","start":104,"end":117,"exact":"data movement","quote":"が学習・単発推論からエージェント型ワークロードへ進むと、CPUがreasoning、coordination、data movementを担うため、AIデータセンターではCPU容量が大きく増えると説明しています。([Arm Newsroom](https://newsroom.arm.com/news/arm-agi-cpu-laun","quote_start":49,"quote_end":217,"text_sha256":"526ff3e6e423a23c1347c0f8a1f9ff5c2482d044f4c6034b586e91c91da1f501","block_sha256":"526ff3e6e423a23c1347c0f8a1f9ff5c2482d044f4c6034b586e91c91da1f501","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_c157daba-d987-47a8-9e83-ded3c9111ab9"},{"id":"occ_5ea656fed3a8e3f43ae7c742","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_c27baa4b-8594-46aa-9b43-3b689235f832","section_id":"sec_9374547f-f098-42cb-9e7b-85fe7e9749e4","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":37,"end":39,"exact":"帯域","quote":"```\nGPUを止めないこと\nAIエージェントの周辺処理を回すこと\nメモリ帯域を確保すること\nI/Oを太くすること\nクラウドTCOを下げること\nソフトウェア資産と互換性を守ること\n```","quote_start":0,"quote_end":93,"text_sha256":"3bbb4ce6dcc4cee92a5536b49a7489fc5d3f3780823db44c70823e43cc92bb80","block_sha256":"3bbb4ce6dcc4cee92a5536b49a7489fc5d3f3780823db44c70823e43cc92bb80","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_c27baa4b-8594-46aa-9b43-3b689235f832"},{"id":"occ_0323a307084d00996b425a68","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_c89aa558-bc59-43f1-b386-15fbbf88927b","section_id":"sec_5e0d3f46-32a7-4c59-b79a-095396504d58","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":42,"end":44,"exact":"帯域","quote":"CPUは万能ではありません。  \nCPU設計は、限られた**チップ面積、電力、メモリ帯域、I/Oピン数、キャッシュ容量、検証コスト**をどう配分するかのトレードオフです。","quote_start":0,"quote_end":85,"text_sha256":"7e023ef92ce857e061e461dece461e6f54cf045e6e41bac6c6b3561dddca3c3d","block_sha256":"7e023ef92ce857e061e461dece461e6f54cf045e6e41bac6c6b3561dddca3c3d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_c89aa558-bc59-43f1-b386-15fbbf88927b"},{"id":"occ_ebf4670659b9e13d55445f34","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_cdeb61b6-3caa-462d-ab33-6dee7177ca08","section_id":"sec_5e0d3f46-32a7-4c59-b79a-095396504d58","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":67,"end":69,"exact":"帯域","quote":"クロードに対応するため、バランスを取ります。  \nAIファクトリー制御CPUは、GPUを止めないために、メモリ帯域、低遅延接続、スケジューリング、マルチテナント分離、CPU-GPU共有を太くします。","quote_start":12,"quote_end":111,"text_sha256":"0826560e5919e22c32e3a140c8772199aa4004fe4d772b0a146f560b10f301d3","block_sha256":"0826560e5919e22c32e3a140c8772199aa4004fe4d772b0a146f560b10f301d3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_cdeb61b6-3caa-462d-ab33-6dee7177ca08"},{"id":"occ_88ba20bff1db81d117f356ed","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_d01f2d20-d692-49ab-8e16-d67a218239ac","section_id":"sec_8dd3e000-30a9-46e4-8f9a-1510e88c3fdb","layer":"code","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":43,"end":45,"exact":"帯域","quote":"```\n高コア数\n→ クラウドVM、コンテナ、DB、Web、HPCにも効く\n\n高メモリ帯域\n→ AI前処理だけでなく、分析、DB、HPCにも効く\n\nPCIe/CXL世代の強化\n→ GPUだけでなく、NIC、SSD、DPU、CXLメモリにも効く\n\nCPU-GPU帯域強化\n→ AIだけでなく、","quote_start":0,"quote_end":145,"text_sha256":"9604a4517e5b35bbb22d2699119e4976d6a1f9130baba234f754988491a711f6","block_sha256":"9604a4517e5b35bbb22d2699119e4976d6a1f9130baba234f754988491a711f6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_d01f2d20-d692-49ab-8e16-d67a218239ac"},{"id":"occ_bc5332710cc4444d327a4e9d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_f1b672ea-c929-4205-b508-a7afc6415c79","section_id":"sec_825ab08a-31b4-4c4b-a94c-422b8d7a5fbb","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":61,"end":63,"exact":"帯域","quote":"C\nGrace Hopper / Grace Blackwell\nNVIDIA GPUのホストCPU\n高メモリ帯域が必要なCPU処理\n電力効率重視のArmサーバー\n```","quote_start":6,"quote_end":91,"text_sha256":"7c5de6d9801bb52d1dafad3eff274ddf963e7d8ca7d636482dd4768a90cf81f6","block_sha256":"7c5de6d9801bb52d1dafad3eff274ddf963e7d8ca7d636482dd4768a90cf81f6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_f1b672ea-c929-4205-b508-a7afc6415c79"},{"id":"occ_1ff0828484cde5564ffcf8de","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_977092a4-68df-47ac-8de2-4e66567c8a95","work_id":"wrk_27b36bee-da31-4942-a5ea-33f6f77ddee3","block_id":"blk_8182079c-1e9e-42c3-a6c9-7fb30cb680cf","section_id":"sec_95a36c2e-ffd9-4876-bc5b-fe9ecc1b21cd","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":60,"end":62,"exact":"帯域","quote":"ドルとは別の形を取るかもしれない。GPU時間、推論トークン、学習計算量、電力使用権、データセンター容量、HBM帯域、ストレージ容量、ロボット稼働時間、実験設備利用枠。こうしたものが、AI同士、企業同士、研究機関同士で取引される。","quote_start":5,"quote_end":119,"text_sha256":"41847910b7744d72dc0be9e152f23c630f6ed0175a49bf2257163e67cfe54b44","block_sha256":"41847910b7744d72dc0be9e152f23c630f6ed0175a49bf2257163e67cfe54b44","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_977092a4-68df-47ac-8de2-4e66567c8a95/#blk_8182079c-1e9e-42c3-a6c9-7fb30cb680cf"},{"id":"occ_701e388fe3d8110a9cc7662d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_977092a4-68df-47ac-8de2-4e66567c8a95","work_id":"wrk_27b36bee-da31-4942-a5ea-33f6f77ddee3","block_id":"blk_e3155799-a9d3-447a-96d9-3187eb09ed32","section_id":"sec_95a36c2e-ffd9-4876-bc5b-fe9ecc1b21cd","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":85,"end":87,"exact":"帯域","quote":"護、安全、文化、人間関係によって測られる。  \n一方で、計算文明圏では、価値は計算量、推論量、学習能力、メモリ帯域、電力、実験回数、ロボット稼働時間、研究開発速度によって測られる。","quote_start":30,"quote_end":120,"text_sha256":"6ceb9bdbc12b112d6944e386446fbe53025a4351916ec822cc5280687c1077ee","block_sha256":"6ceb9bdbc12b112d6944e386446fbe53025a4351916ec822cc5280687c1077ee","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_977092a4-68df-47ac-8de2-4e66567c8a95/#blk_e3155799-a9d3-447a-96d9-3187eb09ed32"},{"id":"occ_616f348b7b2ace8b01f9370b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d","work_id":"wrk_f4b2ba6d-bd7a-4377-ba28-11230cbeac16","block_id":"blk_4a1d2908-e0ed-4aca-86b0-5f50b59bb078","section_id":"sec_8d7fe225-a4c2-4d7a-b5ed-b19d7ddac228","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":5,"end":14,"exact":"bandwidth","quote":"通信距離やbandwidthが大きくなれば、電気I/Oの電力が無視できなくなる。","quote_start":0,"quote_end":40,"text_sha256":"c8645b109b5e311d8f1b0b3d49e4ed4cdea9fda19cc5ee28f4f6429b7d45ffe8","block_sha256":"c8645b109b5e311d8f1b0b3d49e4ed4cdea9fda19cc5ee28f4f6429b7d45ffe8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d/#blk_4a1d2908-e0ed-4aca-86b0-5f50b59bb078"},{"id":"occ_2b2c744c034f85e1f39c3399","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d","work_id":"wrk_f4b2ba6d-bd7a-4377-ba28-11230cbeac16","block_id":"blk_65eeffec-7a5d-4b56-9032-704184e84b06","section_id":"sec_2ce7537a-5b6c-4b2d-ace0-1f3e262d5045","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":14,"end":23,"exact":"bandwidth","quote":"数十～数百GB規模の容量と高bandwidth","quote_start":0,"quote_end":23,"text_sha256":"2ac5834915b5ce613b1a2f3bdffa9f59b733dd2747afffaa62f849cdbaafffd2","block_sha256":"2ac5834915b5ce613b1a2f3bdffa9f59b733dd2747afffaa62f849cdbaafffd2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d/#blk_65eeffec-7a5d-4b56-9032-704184e84b06"},{"id":"occ_2e88aea5914a7ef40ce41368","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d","work_id":"wrk_f4b2ba6d-bd7a-4377-ba28-11230cbeac16","block_id":"blk_7ed0ac00-369f-46fb-a820-a11b4d951816","section_id":"sec_97ce199a-24a1-4ad4-8000-5f87f0277a7d","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":188,"end":197,"exact":"bandwidth","quote":"igh-NA EUV\n ↓\nSRAM areaが相対的に巨大化\n ↓\n3D SRAM\n ↓\n外部Memory bandwidth不足\n ↓\nHBM\n ↓\nPackage / GPU間I/O不足\n ↓\nOptical I/O\n ↓\nPackage大型化・Warpage\n ↓\nGlass Core","quote_start":133,"quote_end":280,"text_sha256":"794dd06900275a4835d803013b3a3c24a4463e26cea3098320f583853565d743","block_sha256":"794dd06900275a4835d803013b3a3c24a4463e26cea3098320f583853565d743","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d/#blk_7ed0ac00-369f-46fb-a820-a11b4d951816"},{"id":"occ_bcd21bef38080039ed46002f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d","work_id":"wrk_f4b2ba6d-bd7a-4377-ba28-11230cbeac16","block_id":"blk_90d0745d-c416-42fa-a55c-c646ee59ad92","section_id":"sec_4e22399a-2b29-4a35-bb65-65b26666db5d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":166,"end":168,"exact":"帯域","quote":"要になる。ロジックだけ高密度になればSRAMが面積を食うため、今度はメモリを上へ積みたくなる。さらにHBMとの帯域、GPU間通信、巨大パッケージの反りや配線密度が問題となり、Optical I/Oやガラス基板へつながっていく。","quote_start":111,"quote_end":224,"text_sha256":"bf2c74ea1868463312f4bfb982789fa5321b0b6aaeeb797cf893eb8ac9812be2","block_sha256":"bf2c74ea1868463312f4bfb982789fa5321b0b6aaeeb797cf893eb8ac9812be2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d/#blk_90d0745d-c416-42fa-a55c-c646ee59ad92"},{"id":"occ_3bc4c48ce30425469c6c3e07","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d","work_id":"wrk_f4b2ba6d-bd7a-4377-ba28-11230cbeac16","block_id":"blk_cb843d88-a473-451a-8420-be02832862e7","section_id":"sec_cab58cb0-a0b7-44ab-b0ce-4eddd36d8443","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":21,"end":30,"exact":"bandwidth","quote":"HBM→ Memory 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Flashの標準化を開始し、SK hynixはHBFを明確に「HBMとSSDの間の新しいmemory layer」と位置付けている。 (Sandisk)","quote_start":0,"quote_end":119,"text_sha256":"e539b8cb54579497af7c7dfa315d53345251dc6cf3ff223a1a8bf49f953c46f0","block_sha256":"e539b8cb54579497af7c7dfa315d53345251dc6cf3ff223a1a8bf49f953c46f0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9a79fb7c-7189-4703-9970-53ae7a5a375d/#blk_cc54f84c-f967-4232-bb2e-525b136153de"},{"id":"occ_97e196815c461b3e43d9cad7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_9a79fb7c-7189-4703-9970-53ae7a5a375d","work_id":"wrk_77a86f6d-d3e4-4b48-8e1e-f1abfca4d053","block_id":"blk_f5ee8a41-6964-4171-88d7-c66aca208875","section_id":"sec_5d1473d9-441e-4f66-8acf-932c370d52bb","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":22,"end":31,"exact":"bandwidth","quote":"SandiskはHBFについて、HBMに近いbandwidthを狙いながら最大8倍のcapacityを同程度costで提供するという目標を掲げ、2026年後半のsampleを予定している。ただしこれは現時点ではvendor targetであり、量産実績ではない。","quote_start":0,"quote_end":131,"text_sha256":"53e9164924e9fc68c0744a791314b14bad04075e16eb859f0238ae913e1e9c75","block_sha256":"53e9164924e9fc68c0744a791314b14bad04075e16eb859f0238ae913e1e9c75","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9a79fb7c-7189-4703-9970-53ae7a5a375d/#blk_f5ee8a41-6964-4171-88d7-c66aca208875"},{"id":"occ_c9247881d153c1f696770d89","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_07bb23a7-c4a7-4b82-a1ce-23ccdbc5937c","section_id":"sec_32fa9297-e703-4f7a-9472-a0d06e181927","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":15,"end":24,"exact":"bandwidth","quote":"**JalapeñoのHBM bandwidth/MWはRubinの約1.8倍**","quote_start":0,"quote_end":41,"text_sha256":"404be8756379560d7c2e0398019819092f5dabcb430e1e14d0478f1aacccb081","block_sha256":"404be8756379560d7c2e0398019819092f5dabcb430e1e14d0478f1aacccb081","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_07bb23a7-c4a7-4b82-a1ce-23ccdbc5937c"},{"id":"occ_9211d2fd092e7b258cc1c672","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_0dba9b85-655d-46d5-85d1-89374e43ac69","section_id":"sec_57fb5a48-a7f1-4109-9e0b-79810b24a712","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":17,"end":19,"exact":"帯域","quote":"## JalapeñoはなぜHBM帯域を使い切れるのか","quote_start":0,"quote_end":27,"text_sha256":"0d217e4957a89404f1dc53d644a919c00c581bc0e4b10d8b6112ea54350fb84a","block_sha256":"0d217e4957a89404f1dc53d644a919c00c581bc0e4b10d8b6112ea54350fb84a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_0dba9b85-655d-46d5-85d1-89374e43ac69"},{"id":"occ_d995db89c5ea293d1966f625","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_22c155fb-e521-46b5-9648-d50152ada6a9","section_id":"sec_7fff297d-e825-4a21-a697-f6da7491a8c4","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":105,"end":107,"exact":"帯域","quote":"icle-scale compute dieを使い、MXFP4で約13.4PFLOPS。HBM4は216GB、帯域は約15.4TB/sで、HBM4のpin speedは約10Gbpsと推定されている。","quote_start":50,"quote_end":150,"text_sha256":"fb16d48403867412c0c06317f516f61b2d3631e5bceb11a37e0576c8353f9917","block_sha256":"fb16d48403867412c0c06317f516f61b2d3631e5bceb11a37e0576c8353f9917","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_22c155fb-e521-46b5-9648-d50152ada6a9"},{"id":"occ_2030c55fe895d2c427bc93f9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_54ab66e8-967a-452d-9de4-78516f7a2d84","section_id":"sec_57fb5a48-a7f1-4109-9e0b-79810b24a712","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":50,"end":59,"exact":"bandwidth","quote":"OpenAI自身も、Prefillはcompute intensive、Decodeはmemory-bandwidth constrainedになりやすいと説明している。([OpenAI](https://openai.com/index/jalapeno-first-results/?utm_source=chat","quote_start":0,"quote_end":159,"text_sha256":"7acbd647a92be0a36314eda775adcc0f471af584004085835f145da624fd242d","block_sha256":"7acbd647a92be0a36314eda775adcc0f471af584004085835f145da624fd242d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_54ab66e8-967a-452d-9de4-78516f7a2d84"},{"id":"occ_06cdd9c808bef3cfb3e72e02","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_63fdd7b2-f9b1-4739-b945-f76018ee0678","section_id":"sec_01c4b5c1-15c2-4312-8147-cb07f6975c3d","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":31,"end":40,"exact":"bandwidth","quote":"それでもJalapeñoがLLM推論で非常に強いのは、HBM bandwidthを演算能力に対して極端に厚くしているからだ。","quote_start":0,"quote_end":62,"text_sha256":"a401b36b86844a79590e3541d318b7be55c5196550faa62404bbc3472285d51d","block_sha256":"a401b36b86844a79590e3541d318b7be55c5196550faa62404bbc3472285d51d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_63fdd7b2-f9b1-4739-b945-f76018ee0678"},{"id":"occ_5579bc7c56694884ca37ab65","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_66edfdd3-778d-4175-9e8c-4c5ca39bff12","section_id":"sec_01c4b5c1-15c2-4312-8147-cb07f6975c3d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":11,"end":13,"exact":"帯域","quote":"したがって、生のHBM帯域だけなら、","quote_start":0,"quote_end":18,"text_sha256":"a2029166da2bc1e4fa84e1b4a95105e05e2ef43570e064f88a870478a9c3d65e","block_sha256":"a2029166da2bc1e4fa84e1b4a95105e05e2ef43570e064f88a870478a9c3d65e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_66edfdd3-778d-4175-9e8c-4c5ca39bff12"},{"id":"occ_8b6dcf3513f50c68f934b2a1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_69960279-5be8-4d80-88d5-8db2f0303c22","section_id":"sec_d0408705-56a5-49af-ac74-4fda498ed035","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":6,"end":15,"exact":"bandwidth","quote":"**HBM bandwidth**  \n**Locality**  \n**AI-generated kernel**","quote_start":0,"quote_end":58,"text_sha256":"fcf35799b2d6afa6dcbf5d428aa989e9bbec84765d9aca3983fbe1e7feca905f","block_sha256":"fcf35799b2d6afa6dcbf5d428aa989e9bbec84765d9aca3983fbe1e7feca905f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_69960279-5be8-4d80-88d5-8db2f0303c22"},{"id":"occ_6fb44447216317db2a92f296","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_6d52b560-fac4-4972-b1aa-2248c3958a08","section_id":"sec_b662da1b-fd3e-4f09-95e1-7f64658595aa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":39,"end":41,"exact":"帯域","quote":"**1MWの電力から何tokenを生み、そのために何TBのHBM、何PB/sの帯域、何枚のDRAM wafer、何枚のN3 wafer、何Tb/sのnetworkを必要とするのか**","quote_start":0,"quote_end":91,"text_sha256":"a684ff5481c438b0831034dfd3e7c333d514b20008b50ac675f2a45448ae6e8c","block_sha256":"a684ff5481c438b0831034dfd3e7c333d514b20008b50ac675f2a45448ae6e8c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_6d52b560-fac4-4972-b1aa-2248c3958a08"},{"id":"occ_2ec706d66ddaf7f00c3d552a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_97e8a184-9dce-40b7-ab7d-fa1bb9c1d9cb","section_id":"sec_7fff297d-e825-4a21-a697-f6da7491a8c4","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":24,"end":26,"exact":"帯域","quote":"**「演算器1単位に対して、どれほど大量のHBM帯域を与えるか」**","quote_start":0,"quote_end":34,"text_sha256":"3f32a6d877a5a539b2d2ab23a5ba70086f6f03c01808c90d0effff8db4a9e88c","block_sha256":"3f32a6d877a5a539b2d2ab23a5ba70086f6f03c01808c90d0effff8db4a9e88c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_97e8a184-9dce-40b7-ab7d-fa1bb9c1d9cb"},{"id":"occ_ab1abd2121b5709e69548885","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_a2ad93b0-0a45-4c02-afd8-c179c80d7e56","section_id":"sec_040ed602-09d6-4eca-8212-fe270b38fcb5","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":103,"end":105,"exact":"帯域","quote":"TPU 8i\nデータが動いても速く処理\n      ↓\nCollective-first\n\n\nRubin\n巨大帯域＋巨大NVLink＋CUDA\n      ↓\nUniversal-first\n```","quote_start":48,"quote_end":147,"text_sha256":"b3d81bafd6311a874b2a94744e9cbb6d048ef37cb8ca8b6d159bd2703ef58650","block_sha256":"b3d81bafd6311a874b2a94744e9cbb6d048ef37cb8ca8b6d159bd2703ef58650","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_a2ad93b0-0a45-4c02-afd8-c179c80d7e56"},{"id":"occ_c34538ea868b4f62f44cd14d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_e878fe94-91f4-439b-997f-df7b944d1a54","section_id":"sec_01c4b5c1-15c2-4312-8147-cb07f6975c3d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":7,"end":9,"exact":"帯域","quote":"単純に「HBM帯域÷FP4演算能力」を計算すると、","quote_start":0,"quote_end":25,"text_sha256":"16b0380866bcd1080614db1b040d4ec9e7850dbfffe4ff1868f61b39be77b3e2","block_sha256":"16b0380866bcd1080614db1b040d4ec9e7850dbfffe4ff1868f61b39be77b3e2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_e878fe94-91f4-439b-997f-df7b944d1a54"},{"id":"occ_e217d1e16f9a1d75a865c35c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_f1db12a5-3fb5-4b73-8300-30efbd1c7cc3","section_id":"sec_b662da1b-fd3e-4f09-95e1-7f64658595aa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":3,"end":5,"exact":"帯域","quote":"HBM帯域そのものもRubinより小さい。","quote_start":0,"quote_end":21,"text_sha256":"ebd4be4d97f11172945bb380283ac9145c05b358f1ef5a4fe8efb60e43740eed","block_sha256":"ebd4be4d97f11172945bb380283ac9145c05b358f1ef5a4fe8efb60e43740eed","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_f1db12a5-3fb5-4b73-8300-30efbd1c7cc3"},{"id":"occ_1cb6b45f4ec6dbda154864a3","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_27f61e38-7d4a-4e7c-8c3c-bfc239a859bf","section_id":"sec_ac408d7c-df7c-440a-8c30-85369dea340c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":87,"end":89,"exact":"帯域","quote":"Dトーラスのように遠くのGPUへ到達するまで多数のGPUを経由する必要がない。規模は限られるが、その内部では高帯域、低遅延、予測可能性の高い通信を実現しやすい。","quote_start":32,"quote_end":112,"text_sha256":"83b76ddb6cc056fa16c40e46a33f9ec8d716c19b95afeaefb6fc34cb2f0549ec","block_sha256":"83b76ddb6cc056fa16c40e46a33f9ec8d716c19b95afeaefb6fc34cb2f0549ec","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_27f61e38-7d4a-4e7c-8c3c-bfc239a859bf"},{"id":"occ_718eaf9b793e72b71fdd27a8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_325941ee-918e-4a44-b609-0bf2315b5230","section_id":"sec_22b523ea-9a5e-402a-9cf1-0f86e0c3dca5","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":9,"end":11,"exact":"帯域","quote":"* 特定NICへの帯域偏りを減らす\n* 複数Leafへトラフィックを分散する\n* 中間のPCIe／railスイッチを削減する\n* 障害経路を迂回する\n* CXLメモリやNVMeを同じ境界へ統合する","quote_start":0,"quote_end":98,"text_sha256":"965f50d72db117f6403fa06ba05520929b4ba306d284dfc23ea525b086010852","block_sha256":"965f50d72db117f6403fa06ba05520929b4ba306d284dfc23ea525b086010852","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_325941ee-918e-4a44-b609-0bf2315b5230"},{"id":"occ_1997c1ef350d606a880de360","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_8d949ae8-68d0-425c-bbca-a4c05898ab18","section_id":"sec_68410278-c6fa-43da-8a9b-048fc5a49c9f","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":44,"end":46,"exact":"帯域","quote":"```text\nConnectX的NIC\n＋ PCIe／CXLスイッチ\n＋ 複数GPUの帯域共有\n＋ 多経路分散\n```","quote_start":0,"quote_end":60,"text_sha256":"7f2436f7186a85978e9247f94e371cf416fd0f6e65a714118d0bf916a49c5a67","block_sha256":"7f2436f7186a85978e9247f94e371cf416fd0f6e65a714118d0bf916a49c5a67","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_8d949ae8-68d0-425c-bbca-a4c05898ab18"},{"id":"occ_e8a5892a574d58a236401a00","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_9ff485c1-06c6-4d62-9de1-83e94ba39147","section_id":"sec_22b523ea-9a5e-402a-9cf1-0f86e0c3dca5","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":33,"end":35,"exact":"帯域","quote":"従来のGPUとNICの固定的な対応を弱め、複数GPUが複数のNIC帯域やネットワーク経路を共有できるようにする。","quote_start":0,"quote_end":56,"text_sha256":"f6a665a10d0e5ceaa163696a2d3bcea29d6f73805634a85b454b9048a5c4e4cf","block_sha256":"f6a665a10d0e5ceaa163696a2d3bcea29d6f73805634a85b454b9048a5c4e4cf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_9ff485c1-06c6-4d62-9de1-83e94ba39147"},{"id":"occ_e7e87347ddfa20579f67dc0d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_aac9d041-1586-4b8d-9283-bc8e2f867b48","section_id":"sec_eec5bf62-a76b-42d2-b235-858bb3ad3abb","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":86,"end":88,"exact":"帯域","quote":"がら目的地へ届く。そのため、チップ数を非常に大きく拡張できる一方、近くのTPUと遠くのTPUでは遅延や利用可能帯域が異なる。","quote_start":31,"quote_end":93,"text_sha256":"4bf13177cc092c3a6cb1dfe8e0e2bd8f013285190cb6887933c1dcf6a8fb4f86","block_sha256":"4bf13177cc092c3a6cb1dfe8e0e2bd8f013285190cb6887933c1dcf6a8fb4f86","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_aac9d041-1586-4b8d-9283-bc8e2f867b48"},{"id":"occ_4b5576bd4065fd7e97ba6b31","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_d4f203c6-5ab0-49f8-bc7e-175e917adaff","section_id":"sec_2e7c1501-fe48-427e-80ba-af0e646848e8","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":134,"end":136,"exact":"帯域","quote":"irgoファブリックで13万4,000基を超えるTPU 8tを接続し、最大47Pbpsのノンブロッキング二分割帯域を提供できる。([Google Cloud][2])","quote_start":79,"quote_end":162,"text_sha256":"5e1eaab2cba19ab53136ab31d7325b0fba48cbeecd0149d9f765cc2dab6e7cf4","block_sha256":"5e1eaab2cba19ab53136ab31d7325b0fba48cbeecd0149d9f765cc2dab6e7cf4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_d4f203c6-5ab0-49f8-bc7e-175e917adaff"},{"id":"occ_7e62b39dc97dd4db964730b2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_e01447f4-4221-4ed1-bcc5-715f105f065f","section_id":"sec_c181c7b4-8c02-4a52-b8af-947927a4ce12","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":13,"end":15,"exact":"帯域","quote":"通信頻度が高く、低遅延と高帯域が必要になる。Tensor Parallelや細粒度のモデル分割では、ほぼ各レイヤーでアクセラレーター同士が同期するため、この層の性能が直接処理速度を決める。","quote_start":0,"quote_end":94,"text_sha256":"af419d901e4c68230bd3a25c786111c9ad0619929214b9431a9ddbf471af4da6","block_sha256":"af419d901e4c68230bd3a25c786111c9ad0619929214b9431a9ddbf471af4da6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_e01447f4-4221-4ed1-bcc5-715f105f065f"},{"id":"occ_8ab993828ce64ed8427b6c43","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_0fc84597-a8dc-4f42-a571-0f6348888306","section_id":"sec_1de5eeff-df55-485d-9c5a-d148ebf6d49b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":10,"end":12,"exact":"帯域","quote":"HBMほど低遅延、高帯域ではないが、HBMより大容量化しやすく、NANDなので不揮発で、DRAMより待機電力を抑えやすく、重みや使用頻度の低いデータを置ける可能性がある。","quote_start":0,"quote_end":85,"text_sha256":"9a48f20cfebc0edf942cb3f20a2f9773fb788a9320822da2d1341ea73c127fda","block_sha256":"9a48f20cfebc0edf942cb3f20a2f9773fb788a9320822da2d1341ea73c127fda","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_0fc84597-a8dc-4f42-a571-0f6348888306"},{"id":"occ_8dc6dd9d19cf9c05568d6beb","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_5a36711c-c29b-4c3e-9ff7-40ddf8c3f6a1","section_id":"sec_c28387d1-4fe7-4d54-9fa5-72a0ba849813","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":9,"end":18,"exact":"Bandwidth","quote":"HBMはHigh Bandwidth Memoryの略で、DRAMダイを縦に積み重ね、GPUやAI ASICの近くに置くメモリーである。","quote_start":0,"quote_end":68,"text_sha256":"626e27d039cb45b6f94b87d2f2e40d7fad7d62070944e14b7d11d99ef2147326","block_sha256":"626e27d039cb45b6f94b87d2f2e40d7fad7d62070944e14b7d11d99ef2147326","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_5a36711c-c29b-4c3e-9ff7-40ddf8c3f6a1"},{"id":"occ_e8ae9505fdf1b06245860ff3","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_7831354a-c207-4e47-87b2-e946ccb85dff","section_id":"sec_1de5eeff-df55-485d-9c5a-d148ebf6d49b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":18,"end":20,"exact":"帯域","quote":"キオクシアは5TB、64GB/sの広帯域フラッシュモジュールを試作した。SanDiskはHBFについて、2026年後半のサンプル出荷と、2027年初めの推論デバイスの試作を目標としている。したがって、HBFは有望だが、まだHBMやSSDのよ","quote_start":0,"quote_end":120,"text_sha256":"c418371bed321314ec6baa0ba3acca071b96f1f68abf1d8a80b427a136ded83e","block_sha256":"c418371bed321314ec6baa0ba3acca071b96f1f68abf1d8a80b427a136ded83e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_7831354a-c207-4e47-87b2-e946ccb85dff"},{"id":"occ_6a747275de96e9a4719a6939","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_9af88d62-b6ee-402a-a461-d889b00308b6","section_id":"sec_cf1cc892-ee8e-4553-9ff2-b591c1a706c7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":17,"end":19,"exact":"帯域","quote":"SRAMの長所は、非常に低遅延で、帯域が広く、演算器のすぐ近くに置けることだ。DRAMのようなリフレッシュも不要である。","quote_start":0,"quote_end":60,"text_sha256":"6dc2ef7cba7aabf7baca031697cd4352339f36ade0d84af2e862e1741e0101a6","block_sha256":"6dc2ef7cba7aabf7baca031697cd4352339f36ade0d84af2e862e1741e0101a6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_9af88d62-b6ee-402a-a461-d889b00308b6"},{"id":"occ_57fdd5e9360336cfb37ca927","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_9cf7d484-b9fb-4577-aa1e-e223c2b2261e","section_id":"sec_1de5eeff-df55-485d-9c5a-d148ebf6d49b","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":9,"end":18,"exact":"Bandwidth","quote":"HBFはHigh Bandwidth Flashの略である。NANDを高並列に積層し、AIアクセラレーターの近くで大容量メモリーとして使おうとする構想だ。","quote_start":0,"quote_end":77,"text_sha256":"81fd37c23fce78ec7282023b7233d7a97e0497a77bf70eb1a4249e372ef6e71b","block_sha256":"81fd37c23fce78ec7282023b7233d7a97e0497a77bf70eb1a4249e372ef6e71b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_9cf7d484-b9fb-4577-aa1e-e223c2b2261e"},{"id":"occ_961034e295b3a0dd837bd183","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_a6fbd685-529d-42ef-ab97-288b68005707","section_id":"sec_cf1cc892-ee8e-4553-9ff2-b591c1a706c7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":136,"end":138,"exact":"帯域","quote":"向かない。SemiAnalysisは、SRAMを「非常に高速だが低密度」、DDR DRAMを「高密度で安価だが帯域が小さい」、HBMをその中間でAI向けに適したメモリーと整理している。([SemiAnalysis][1])","quote_start":81,"quote_end":192,"text_sha256":"b926f94769b34142f125834671ad0810e6665acd49865de4bfe9ed9b4b561f29","block_sha256":"b926f94769b34142f125834671ad0810e6665acd49865de4bfe9ed9b4b561f29","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_a6fbd685-529d-42ef-ab97-288b68005707"},{"id":"occ_383f2b476a0962ae38ae4492","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_c845aed3-6855-4dcc-a969-a027da8464dd","section_id":"sec_4f576d3f-58f3-4b0f-b7f9-1e27c6fa0d5e","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":124,"end":129,"exact":"データ移動","quote":"習、巨大な並列処理を担う。両者を近づけることで、CPU側メモリーをGPUから使いやすくし、CPUとGPUの間のデータ移動を短くし、パッケージ全体を対称にしやすくなる。","quote_start":69,"quote_end":152,"text_sha256":"dd5a25c9a42c235e98d3712f5380ab9481a2dcf314d8c13f5cf7b50d684e83e7","block_sha256":"dd5a25c9a42c235e98d3712f5380ab9481a2dcf314d8c13f5cf7b50d684e83e7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_c845aed3-6855-4dcc-a969-a027da8464dd"},{"id":"occ_75df970daf19070a36fecca8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_d0540b2d-2c31-48af-9a9a-95b2e0701d84","section_id":"sec_0cbfdb8e-e3e7-4975-a447-2b77624523a5","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":72,"end":74,"exact":"帯域","quote":"みや中間データを何度もHBMから読み直さずに済む。したがって、必要なDRAM容量そのものよりも、必要なDRAM帯域やアクセス回数を減らせる。","quote_start":17,"quote_end":87,"text_sha256":"29627c4c14a130d260385c07f489274215a9c1754f45f539fc2c3673f1fae289","block_sha256":"29627c4c14a130d260385c07f489274215a9c1754f45f539fc2c3673f1fae289","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_d0540b2d-2c31-48af-9a9a-95b2e0701d84"},{"id":"occ_855154bb44e77ebe3bce36ce","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_e8ba733a-bc4a-4998-a06f-4df9f4a4cb85","section_id":"sec_82cc9a58-8a6c-4a2a-b3fc-2f89c642aebe","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":58,"end":60,"exact":"帯域","quote":"は、大量の演算器を並べ、行列演算やAI学習、推論を高並列に処理する。外部メモリーにはHBMやGDDRが使われ、帯域を重視する。","quote_start":3,"quote_end":66,"text_sha256":"5841cd0de1c81345c4c80fcb68b0f2a59491a5eabcbe8122249d1273c0c5eb0d","block_sha256":"5841cd0de1c81345c4c80fcb68b0f2a59491a5eabcbe8122249d1273c0c5eb0d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_e8ba733a-bc4a-4998-a06f-4df9f4a4cb85"},{"id":"occ_19478c8577eeacc372f250e6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_20c51e94-30d4-41e8-befe-77cd0672debd","section_id":"sec_04e9e996-385a-46e2-a769-0ea2da7da574","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"HBMが高い帯域を実現できる理由は、1本の配線を極端に高速化することではない。","quote_start":0,"quote_end":39,"text_sha256":"5ebcff9f19061b66203340126deac5f7d15850b47acabb290871400cc6e6602e","block_sha256":"5ebcff9f19061b66203340126deac5f7d15850b47acabb290871400cc6e6602e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_20c51e94-30d4-41e8-befe-77cd0672debd"},{"id":"occ_cf433c1f38e4901bc16b299f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_254eb219-2b39-4f3d-9e91-74e7e0dc8cab","section_id":"sec_6d88ca82-a1ab-43eb-8bbf-665a04e24410","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":21,"end":23,"exact":"帯域","quote":"XBMのニュースを見るとき、特許件数や理論帯域だけを追っても、実用性は判断できない。","quote_start":0,"quote_end":42,"text_sha256":"c11e7a2310c3488bc3f9078a60e6bdd3a3bdb33854796b8b6957b36556d02fa1","block_sha256":"c11e7a2310c3488bc3f9078a60e6bdd3a3bdb33854796b8b6957b36556d02fa1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_254eb219-2b39-4f3d-9e91-74e7e0dc8cab"},{"id":"occ_6187686ca15e8610ceb1bdd4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_25c8676e-0d80-4ca2-ae7d-04693632e78b","section_id":"sec_04e9e996-385a-46e2-a769-0ea2da7da574","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":29,"end":31,"exact":"帯域","quote":"比較的短い多数の配線を並列に並べることで、全体として巨大な帯域を得ている。","quote_start":0,"quote_end":37,"text_sha256":"e8bc0f0bfd40089bd5dedd68d5943200e86ef5aad48607d9efd21f16ea84971a","block_sha256":"e8bc0f0bfd40089bd5dedd68d5943200e86ef5aad48607d9efd21f16ea84971a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_25c8676e-0d80-4ca2-ae7d-04693632e78b"},{"id":"occ_9ff021c6827ac3b5c0e6bec1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_3034d7a7-fae0-46ab-9c11-fbfd1f539b40","section_id":"sec_4c46a382-cc35-4ed0-8f02-5d8a29d1aba2","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":34,"end":36,"exact":"帯域","quote":"多数の短距離レーンを使えば、各レーンを極端に高速化しなくても巨大な総帯域を得られる。","quote_start":0,"quote_end":42,"text_sha256":"b80a62cc701a852e09480486b877cdecf51b148e70bfaf5de15a159f29aa685a","block_sha256":"b80a62cc701a852e09480486b877cdecf51b148e70bfaf5de15a159f29aa685a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_3034d7a7-fae0-46ab-9c11-fbfd1f539b40"},{"id":"occ_5af940bf8c6e3a472782267d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_41f55ed3-f049-4654-8cd3-b4e599a1d19f","section_id":"sec_dd8c8ef0-9b75-4a9d-99a2-d2ad0fb31c19","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":24,"end":26,"exact":"帯域","quote":"HBMは、非常に多くの物理配線を横へ並べることで帯域を確保する。","quote_start":0,"quote_end":32,"text_sha256":"9331746f66dfa82db306836b64f5ad9e0938d1c3917e52a0681c1c18d6b8e923","block_sha256":"9331746f66dfa82db306836b64f5ad9e0938d1c3917e52a0681c1c18d6b8e923","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_41f55ed3-f049-4654-8cd3-b4e599a1d19f"},{"id":"occ_51a485918722b1e76dab3362","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_49612b11-11fd-4282-a263-93947dc43e5d","section_id":"sec_a7834c72-be28-455a-b975-e33b0b353bb8","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":15,"end":17,"exact":"帯域","quote":"**絶ノイア:** だから実効帯域、電力、熱、修復、歩留まりを一緒に見る。","quote_start":0,"quote_end":37,"text_sha256":"32ee2076a8fe3293f04b0884cfe4e2704465052eb0b48928d43722b0e90a052a","block_sha256":"32ee2076a8fe3293f04b0884cfe4e2704465052eb0b48928d43722b0e90a052a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_49612b11-11fd-4282-a263-93947dc43e5d"},{"id":"occ_fd3be2d67f2c4dd4c7a63245","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_514c6cb6-9fc4-4cd9-8a73-39514c406ded","section_id":"sec_2148ca53-cb86-428c-b972-3769bfab4193","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":39,"end":48,"exact":"Bandwidth","quote":"2026年7月2日に公開されたIntelの米国特許出願「Ultra High Bandwidth Memory with Backend Transistors」に記載された、高帯域メモリのアーキテクチャである。","quote_start":0,"quote_end":106,"text_sha256":"a6c61da4d98260a7cedaf35062e01b8c539440037955582c262f403caea4049e","block_sha256":"a6c61da4d98260a7cedaf35062e01b8c539440037955582c262f403caea4049e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_514c6cb6-9fc4-4cd9-8a73-39514c406ded"},{"id":"occ_681a172d29d281a9812fc2e7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_5252dc76-a2ba-40a7-9ba4-95c5e5d4cb98","section_id":"sec_ef9c4284-d0c3-4431-86d7-ea84e7a403d0","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":35,"end":37,"exact":"帯域","quote":"| 技術 | 役割 |\n| --- | --- |\n| XBM | 高帯域メモリ全体のアーキテクチャ |\n| Backend DRAM | メモリセルの構造 |\n| TSV gutter | 積層内の垂直配線 |\n| HBI | ダイ間の高帯域接続 |\n| Hybrid B","quote_start":0,"quote_end":137,"text_sha256":"dcf06cc3023f0d761ea7f2bee4a2b0901e7c97e318933bb4c394d7a18cde5032","block_sha256":"dcf06cc3023f0d761ea7f2bee4a2b0901e7c97e318933bb4c394d7a18cde5032","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_5252dc76-a2ba-40a7-9ba4-95c5e5d4cb98"},{"id":"occ_447633b05ee16a02a314234b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_5995dc86-64d0-4232-99de-4bbb7145ab9c","section_id":"sec_57c6591d-261b-40ac-9111-9d5d9a78adcc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":438,"end":440,"exact":"帯域","quote":" | ダイテスト、冗長セル、製品内修復 | スタック横断の予備データブロック |\n| 主な利点 | 成熟した高帯域・低通信電力 | パッケージ自由度、修復性、チップレット統合 |\n| 主なリスク | インターポーザー、パッケージ容量、コスト | Backend DRAM、PHY電力、歩留まり、量産性 |","quote_start":383,"quote_end":535,"text_sha256":"02e55638804e48ea4934a3f5bb317edf3939ca2efc6d15ecedefac0c06f9dff3","block_sha256":"02e55638804e48ea4934a3f5bb317edf3939ca2efc6d15ecedefac0c06f9dff3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_5995dc86-64d0-4232-99de-4bbb7145ab9c"},{"id":"occ_4e6d0e5cdf6e06e3d84b01f8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_65f78f60-b281-4d44-b41b-e0b2602cf934","section_id":"sec_1310ab96-7bf5-4d75-9ab2-08a1e405abb2","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":2,"end":4,"exact":"帯域","quote":"超高帯域・低電力を最優先\n→ 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Backend DRAM、UCIe、アクティブ・ベースダイ、修復機能を別々に評価する。\n- 最大帯域だけでなく、pJ/bit、熱、接合歩留まり、検査時間を追う。\n- シリコンインターポーザーを必ず全面廃止する構想とは限らない。\n- HBM、XBM、3D SRAM、CXL、DDR、NANDは用途別に共","quote_start":34,"quote_end":191,"text_sha256":"65b26ed963539f7bed288a5ebb03a4185224f82c9f8421c76feb9b0acf7cdb8f","block_sha256":"65b26ed963539f7bed288a5ebb03a4185224f82c9f8421c76feb9b0acf7cdb8f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_f3dbe677-b82e-4c3c-8d17-f8e5ec248149"},{"id":"occ_c0633020cd3d32c674631d6c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_fa966f52-535a-4d51-bbcb-24d2ada45c6c","section_id":"sec_aee62d0e-caf7-409c-8bcc-f7e253e7bf5e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":30,"end":32,"exact":"帯域","quote":"この二つが成立すれば、メモリは固定仕様の周辺部品から、容量、帯域、修復性、配置を選べる構成要素へ近づく。ただし、インターフェースを標準化すれば自動的に安くなるわけではない。SerDesの電力、ベースダイの熱、TSVと接合の歩留まり、Backend DRAMの保持特","quote_start":0,"quote_end":132,"text_sha256":"52a94f55d0687e572913c291b26f4e032eecf01c03f07c16fb3e09c097f8eaa9","block_sha256":"52a94f55d0687e572913c291b26f4e032eecf01c03f07c16fb3e09c097f8eaa9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_fa966f52-535a-4d51-bbcb-24d2ada45c6c"},{"id":"occ_6a6556a88d74aa06a1eac917","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_fbdb621a-68fe-4192-bc5f-3778a0b97eaa","section_id":"sec_1ac80d9e-92e4-441d-bab9-9e6401a3adfc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":16,"end":18,"exact":"帯域","quote":"XBMの最大の利点は、単純な最大帯域ではない。","quote_start":0,"quote_end":23,"text_sha256":"1f4cb6fcff1e0adc3746beb6b063b23d03216fa59b98247ece7c79da572c2951","block_sha256":"1f4cb6fcff1e0adc3746beb6b063b23d03216fa59b98247ece7c79da572c2951","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_fbdb621a-68fe-4192-bc5f-3778a0b97eaa"},{"id":"occ_d1eeb3081ddcef320fb97ba7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_516a9cb5-9096-489c-bd02-0cb4c9509ada","section_id":"sec_2df73756-aebb-40ae-a040-5e8ddc8b142c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":75,"end":77,"exact":"帯域","quote":"いKVキャッシュが必要\n- 学習処理\n- 大きなバッチサイズ\n- 多様なモデルを同じチップで動かす\n- 容量と帯域の両方が必要","quote_start":20,"quote_end":83,"text_sha256":"c3700c67c1d97fbc541e36b301484795613cb4a7b2f1c4929dae4757b9e317c5","block_sha256":"c3700c67c1d97fbc541e36b301484795613cb4a7b2f1c4929dae4757b9e317c5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_516a9cb5-9096-489c-bd02-0cb4c9509ada"},{"id":"occ_653b8f1f0481c4d192274b20","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_6f7c21ae-f3fb-422b-9324-4c1247b2785e","section_id":"sec_0dbad813-a9a0-434a-ad47-6538b1ed2286","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":53,"end":55,"exact":"帯域","quote":"```\n少量の高価なSRAMを追加\n        ↓\nHBMアクセス回数を削減\n        ↓\n必要帯域と消費電力を削減\n        ↓\n演算器の稼働率を向上\n```","quote_start":0,"quote_end":88,"text_sha256":"3e5f621a72aefe93aac69a3d1ea6b750a48bd541e9945bcc9a6cfaa703987ba6","block_sha256":"3e5f621a72aefe93aac69a3d1ea6b750a48bd541e9945bcc9a6cfaa703987ba6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_6f7c21ae-f3fb-422b-9324-4c1247b2785e"},{"id":"occ_68e3997d65c72758fe52594f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_7e91d3f9-78dc-427f-9d6a-1582a661b80c","section_id":"sec_998ec5a2-c74b-4258-8a97-c32c617f7a2f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":45,"end":47,"exact":"帯域","quote":"MicronのHBM3Eは1スタック当たり24GBまたは36GBで、1.2TB/sを超える帯域を持つ。([Micron Technology](https://www.micron.com/products/memory/hbm/hbm3e?utm_source=chatgpt.com))","quote_start":0,"quote_end":145,"text_sha256":"8cd07bdec6e4b2abd79c7db73f4d4321e1bfafd52aa8bd4e43dc2e6a90bf19df","block_sha256":"8cd07bdec6e4b2abd79c7db73f4d4321e1bfafd52aa8bd4e43dc2e6a90bf19df","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_7e91d3f9-78dc-427f-9d6a-1582a661b80c"},{"id":"occ_9bee31d6d7e30cd571e9cb4c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_a0c652d1-539b-45ff-9803-6e049272410c","section_id":"sec_ca56be7f-cce2-49ae-8a1b-174f37c88fe2","layer":"body","character_id":null,"count":2,"matched_aliases":["データ移動","帯域"],"evidence":{"text_basis":"markdown","start":21,"end":23,"exact":"帯域","quote":"- HBMアクセス回数を減らす\n- HBM帯域を節約する\n- データ移動電力を減らす\n- 演算器の待機時間を短縮する\n- 1チップ当たりの処理性能を高める","quote_start":0,"quote_end":77,"text_sha256":"b14646cd562704020d5c381e0226745ab7d9122db7a695ee4500d044dd665932","block_sha256":"b14646cd562704020d5c381e0226745ab7d9122db7a695ee4500d044dd665932","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_a0c652d1-539b-45ff-9803-6e049272410c"},{"id":"occ_8e71658db441ee2a611b2662","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_a2ad9a97-6b10-4dfa-abeb-d71a4f9cc184","section_id":"sec_221201a2-56b7-4747-9817-08d16afe222f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":12,"end":14,"exact":"帯域","quote":"- SRAM容量とHBM帯域の配分\n- HBMコントローラー\n- ベースダイ\n- 信号電圧\n- 電力管理\n- パッケージ配線\n- 熱設計","quote_start":0,"quote_end":68,"text_sha256":"03dd2e734e61355a616e1ba680763ff7fc32008e4ae9c6ea32b5c502e066ac9d","block_sha256":"03dd2e734e61355a616e1ba680763ff7fc32008e4ae9c6ea32b5c502e066ac9d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_a2ad9a97-6b10-4dfa-abeb-d71a4f9cc184"},{"id":"occ_b027dd6a6914eddf7fcaacd8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_a9b4097a-e9a6-4604-82e9-380aba399b8f","section_id":"sec_f0ed8239-70bf-496c-bd8b-244ae7f200a3","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":90,"end":92,"exact":"帯域","quote":"要な作業領域として使います。8チップのLPXトレイでは合計4GBのオンチップSRAMと1.2PB/sのSRAM帯域を持ちます。([NVIDIA Developer](https://developer.nvidia.com/blog/inside-nvidia-groq-3-lpx-the-low-latency","quote_start":35,"quote_end":192,"text_sha256":"536205197f2577669a5b4a9a812e8ebca66089a765205c366f556546afa782b0","block_sha256":"536205197f2577669a5b4a9a812e8ebca66089a765205c366f556546afa782b0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_a9b4097a-e9a6-4604-82e9-380aba399b8f"},{"id":"occ_670fdd555707cf85ac3fa64b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_12aed473-48f2-417b-8245-7e615b33ea04","section_id":"sec_6f4fdda9-67a2-4c86-b510-56b09be2f257","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":30,"end":32,"exact":"帯域","quote":"- 配線密度が低い\n- ダイ間配線が長くなりやすい\n- 同じ帯域を得るために広いダイ辺長が必要\n- 信号を強く駆動する必要がある\n- 通信電力と遅延が増えやすい","quote_start":0,"quote_end":80,"text_sha256":"017fa2fcc57f42335a3e9795d92612a44111e88d4f20a09d775a50059fcb97ce","block_sha256":"017fa2fcc57f42335a3e9795d92612a44111e88d4f20a09d775a50059fcb97ce","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_12aed473-48f2-417b-8245-7e615b33ea04"},{"id":"occ_18877b84a7679e40948d265e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_47cda4d7-e601-44f2-a5b2-b48b87c838b9","section_id":"sec_f0ad356a-367b-4867-a895-81d297477bbc","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"```\n最高帯域\n最高密度\n最低コスト\n最大サイズ\n最良の冷却\n\nこれらを同時に最大化する方式は存在しない\n```","quote_start":0,"quote_end":57,"text_sha256":"207010eb074526681c672998423ca18d4aad7f7c320aae31e7fd2bb8bed39c1f","block_sha256":"207010eb074526681c672998423ca18d4aad7f7c320aae31e7fd2bb8bed39c1f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_47cda4d7-e601-44f2-a5b2-b48b87c838b9"},{"id":"occ_a78a61274edb8a1d64a95021","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_565637ef-be2e-47d7-8576-1b7de2d6f885","section_id":"sec_f89e6340-642d-413a-9636-6b986a985325","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"## HBM帯域を優先する","quote_start":0,"quote_end":13,"text_sha256":"c6c745e32bc92bf3bfd12bbdf7bbe0e0183b86c4f286537a8cd15ffdcb54d759","block_sha256":"c6c745e32bc92bf3bfd12bbdf7bbe0e0183b86c4f286537a8cd15ffdcb54d759","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_565637ef-be2e-47d7-8576-1b7de2d6f885"},{"id":"occ_c93dd05f30ff13f41b49e0b8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_6c121e0b-6b35-401c-89d7-cdebd607d6d8","section_id":"sec_7941d944-9425-4464-a66b-70a87d66eb98","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"すべてのチップレット間通信が、HBM接続のような極端な帯域を必要とするわけではない。","quote_start":0,"quote_end":42,"text_sha256":"faa8176f0068b42837983afc6e6a856eb2061e286c5a3c18b07cac8d2d90c87d","block_sha256":"faa8176f0068b42837983afc6e6a856eb2061e286c5a3c18b07cac8d2d90c87d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_6c121e0b-6b35-401c-89d7-cdebd607d6d8"},{"id":"occ_ba4b8a5ea95ad6dc3e5c8e4c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_7d3fe6cd-e68a-470d-a627-1824243bcccb","section_id":"sec_5eb1cd3b-713c-425d-91f4-40af8c1dedaf","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":35,"end":37,"exact":"帯域","quote":"- ダイ間の距離を短縮できる\n- 多数の並列信号を配置できる\n- 高い帯域密度を実現できる\n- 1bit当たりの通信電力を下げやすい\n- 信号品質を確保しやすい","quote_start":0,"quote_end":80,"text_sha256":"0c1b1447d30ba935a156948d415a525e17472395593ab4d3bda95dc58dc563cb","block_sha256":"0c1b1447d30ba935a156948d415a525e17472395593ab4d3bda95dc58dc563cb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_7d3fe6cd-e68a-470d-a627-1824243bcccb"},{"id":"occ_82229c5f0738677929792377","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_9cbb2078-1776-41f4-aef8-ea2578df7d3e","section_id":"sec_fa976a17-07d7-4466-81ea-b6a16052c049","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":21,"end":23,"exact":"帯域","quote":"- 高い配線密度\n- ロジックとHBMの広帯域接続\n- AI・HPC向け\n- 大型シリコンに伴うコストと製造難度","quote_start":0,"quote_end":56,"text_sha256":"9a516f3fb08bb7cac210140fd287ae35f4a1592c163cda4f74d8a8ea750a1cb6","block_sha256":"9a516f3fb08bb7cac210140fd287ae35f4a1592c163cda4f74d8a8ea750a1cb6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_9cbb2078-1776-41f4-aef8-ea2578df7d3e"},{"id":"occ_c5b844e37902bb714e66da55","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_d14f754d-b09d-4965-9211-cf0d1355292f","section_id":"sec_9ea97b0e-5b22-4dd4-a423-122c7d068f5c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":7,"end":9,"exact":"帯域","quote":"## \\1. 帯域密度","quote_start":0,"quote_end":11,"text_sha256":"9dd250ad0a38a478fc69d561a073617ed3c6f3871a0b727332f1bb6df3a15722","block_sha256":"9dd250ad0a38a478fc69d561a073617ed3c6f3871a0b727332f1bb6df3a15722","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_d14f754d-b09d-4965-9211-cf0d1355292f"},{"id":"occ_98463e5dac3d8464f4696fee","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_d1a52a17-91ca-421e-bae1-e56e03463c44","section_id":"sec_19004bfb-4995-4a75-82e1-07f923eec46b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":53,"end":55,"exact":"帯域","quote":"TSMCのSoICは、異なるサイズ、機能、製造ノードの良品ダイを高密度に垂直統合し、短いダイ間接続によって帯域、電力、信号品質を改善する3D統合技術である。([3DFabric](https://3dfabric.tsmc.com/english/dedicatedFoundry/technology/SoI","quote_start":0,"quote_end":155,"text_sha256":"2e06fb67ff8d5d1ffb3fab6a1c53c4ab235344689d173f90831f9dd459d6a703","block_sha256":"2e06fb67ff8d5d1ffb3fab6a1c53c4ab235344689d173f90831f9dd459d6a703","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_d1a52a17-91ca-421e-bae1-e56e03463c44"},{"id":"occ_a3aa837b84552b20c9d70eb1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_e82f9051-bb43-4305-9d95-6b18a6666af2","section_id":"sec_5365b45d-cf90-4529-bd52-b7bdd7dfca19","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":373,"end":375,"exact":"帯域","quote":"する。\n- 2.5Dと3Dは競合するだけでなく、1つのパッケージ内で組み合わせられる。\n- パッケージ方式は、帯域、電力、遅延、コスト、熱、歩留まりのトレードオフで決まる。","quote_start":318,"quote_end":404,"text_sha256":"5dcaa34390d7ebc62332c437507138763a0687aeb2f1cf71439c063c8b2aef15","block_sha256":"5dcaa34390d7ebc62332c437507138763a0687aeb2f1cf71439c063c8b2aef15","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_e82f9051-bb43-4305-9d95-6b18a6666af2"},{"id":"occ_abb47feea2820f9cff826506","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b","work_id":"wrk_f10d5b53-68f1-4910-99da-a417455c7877","block_id":"blk_efd0b550-646b-41b5-b266-073705a7ffbb","section_id":"sec_c4e61b44-c574-4d33-81c2-8336aab38e40","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":41,"end":43,"exact":"帯域","quote":"すべてのパッケージにインターポーザーやブリッジがあるわけではない。製品に必要な通信帯域、コスト、ダイ数、熱、面積によって構造は変わる。","quote_start":0,"quote_end":67,"text_sha256":"2a84edf23276b4008a1b0f308f79c0a9db7a7eceebf7ebb8ab15cf227c185080","block_sha256":"2a84edf23276b4008a1b0f308f79c0a9db7a7eceebf7ebb8ab15cf227c185080","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a576fa5a-37e6-4ec1-abf6-a1f85dd3b36b/#blk_efd0b550-646b-41b5-b266-073705a7ffbb"},{"id":"occ_e2ba1aae3b63af594f280dd6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_abe6b561-f51c-4549-a97f-aab2b725492e","work_id":"wrk_f31c79fd-b257-498a-9ee1-d344ac94ffc7","block_id":"blk_1615735d-c953-49e3-aac3-89cb03658727","section_id":"sec_0bd48637-e5f0-4b12-87d8-ee895d5d20c1","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":25,"end":27,"exact":"帯域","quote":"scale-upでは、通信は非常に密で、低遅延・高帯域が求められる。\nscale-outは、ラックやサーバーを横に増やす接続で、EthernetやInfiniBandが使われる。\nscale-upは、それよりも計算機内部に近い。","quote_start":0,"quote_end":114,"text_sha256":"0bb69a1962f6723ce9fdaedc83a40959eb1d3b800bef16212164370a4befbc59","block_sha256":"0bb69a1962f6723ce9fdaedc83a40959eb1d3b800bef16212164370a4befbc59","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_abe6b561-f51c-4549-a97f-aab2b725492e/#blk_1615735d-c953-49e3-aac3-89cb03658727"},{"id":"occ_6901a810c048e2ea944e414f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_abe6b561-f51c-4549-a97f-aab2b725492e","work_id":"wrk_f31c79fd-b257-498a-9ee1-d344ac94ffc7","block_id":"blk_1bc6c4e0-713c-4688-9fa5-abe56b686d57","section_id":"sec_a520ab4e-5949-44bb-8a45-30a0fd5e6309","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":169,"end":171,"exact":"帯域","quote":"、複数のchipletをXPUやscale-up switchとco-packageすることで、システム全体の帯域を広げる。","quote_start":114,"quote_end":176,"text_sha256":"b8749f1ca764bb02e0607d9b3a695de08d4c4702aec2ceb9867ecf5187377ded","block_sha256":"b8749f1ca764bb02e0607d9b3a695de08d4c4702aec2ceb9867ecf5187377ded","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_abe6b561-f51c-4549-a97f-aab2b725492e/#blk_1bc6c4e0-713c-4688-9fa5-abe56b686d57"},{"id":"occ_eea4dd9433e932bdd5ba2497","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_abe6b561-f51c-4549-a97f-aab2b725492e","work_id":"wrk_f31c79fd-b257-498a-9ee1-d344ac94ffc7","block_id":"blk_4020aa2d-7e88-4d70-838c-beef1d435a73","section_id":"sec_7a046ff0-65f5-4c58-b6d1-b4b98ff6f304","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":35,"end":37,"exact":"帯域","quote":"これにより、接続密度が高くなり、配線距離が短くなり、消費電力が下がり、帯域が上がる。\nAI XPUでは、compute die、cache die、I/O die、base die、memory interfaceなどをより近く結ぶことができる。","quote_start":0,"quote_end":123,"text_sha256":"93f9402598660775c3cc03fc8a7ef880a0c96f32402a347905ca8b3ee53a66f8","block_sha256":"93f9402598660775c3cc03fc8a7ef880a0c96f32402a347905ca8b3ee53a66f8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_abe6b561-f51c-4549-a97f-aab2b725492e/#blk_4020aa2d-7e88-4d70-838c-beef1d435a73"},{"id":"occ_b4b8a24186f3e6d217f6976e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_abe6b561-f51c-4549-a97f-aab2b725492e","work_id":"wrk_f31c79fd-b257-498a-9ee1-d344ac94ffc7","block_id":"blk_41e4dd8d-7543-4951-bb15-66ece116fb65","section_id":"sec_5c47fffe-497d-44bc-85e1-1a0843444a7f","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":62,"end":67,"exact":"データ移動","quote":"推論専用設計である。\nGPUのように何でもできる汎用性よりも、OpenAIが実際に毎日動かしているLLM推論のデータ移動、メモリ、ネットワーク、スケジューリングに最適化している。","quote_start":7,"quote_end":96,"text_sha256":"70996c8a7d109dc27b3f08127e8cc63e6ed682b82c61733bd50be4440ed84f62","block_sha256":"70996c8a7d109dc27b3f08127e8cc63e6ed682b82c61733bd50be4440ed84f62","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_abe6b561-f51c-4549-a97f-aab2b725492e/#blk_41e4dd8d-7543-4951-bb15-66ece116fb65"},{"id":"occ_8d87fb03da0a770491320eac","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_abe6b561-f51c-4549-a97f-aab2b725492e","work_id":"wrk_f31c79fd-b257-498a-9ee1-d344ac94ffc7","block_id":"blk_5d90ff79-6545-40c8-a7b9-2b06d1418708","section_id":"sec_34f23542-6830-45bf-8deb-025bdc67429c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":53,"end":55,"exact":"帯域","quote":"これはかなり大きい。\nAI ASICは、演算性能そのものよりも、HBMとI/Oをどれだけ近く、低電力に、広帯域でつなげるかが制約になる。3.5D XDSiPは、その制約をパッケージ側から壊す技術である。","quote_start":0,"quote_end":101,"text_sha256":"a33668cd7a2c91ad4e0ed6e1e21969047151f4fc96d964493a0cb1ec4d73f008","block_sha256":"a33668cd7a2c91ad4e0ed6e1e21969047151f4fc96d964493a0cb1ec4d73f008","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_abe6b561-f51c-4549-a97f-aab2b725492e/#blk_5d90ff79-6545-40c8-a7b9-2b06d1418708"},{"id":"occ_ed43c119c8ea0922e45e80af","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_abe6b561-f51c-4549-a97f-aab2b725492e","work_id":"wrk_f31c79fd-b257-498a-9ee1-d344ac94ffc7","block_id":"blk_5fd48011-e998-4ab4-a794-79dc4db4e94d","section_id":"sec_76c2b01f-d26d-480d-99ee-ff8233373150","layer":"body","character_id":null,"count":1,"matched_aliases":["データ移動"],"evidence":{"text_basis":"markdown","start":117,"end":122,"exact":"データ移動","quote":"様なカーネルに強い。一方で、大規模サービスの推論は、モデルとワークロードが固定化しやすい。そこでは汎用性より、データ移動、KV cache、バッチング、ネットワーク、電力あたりトークンが利いてくる。","quote_start":62,"quote_end":161,"text_sha256":"684f959f35d03a82049b7164a0b017bcf95c3f8ba563539aefb0ac5250c7ee47","block_sha256":"684f959f35d03a82049b7164a0b017bcf95c3f8ba563539aefb0ac5250c7ee47","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_abe6b561-f51c-4549-a97f-aab2b725492e/#blk_5fd48011-e998-4ab4-a794-79dc4db4e94d"},{"id":"occ_2f86a7672cffc75c5fbb3e02","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_abe6b561-f51c-4549-a97f-aab2b725492e","work_id":"wrk_f31c79fd-b257-498a-9ee1-d344ac94ffc7","block_id":"blk_f1808544-726d-4a47-891a-56d23e363a94","section_id":"sec_a520ab4e-5949-44bb-8a45-30a0fd5e6309","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":39,"end":41,"exact":"帯域","quote":"Photonic 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Manufacturing Co., Ltd.](https://corpor","quote_start":0,"quote_end":128,"text_sha256":"6a2cee4be30263387ff0b0fa99e0a6803f7107e27abc213f34dc311544f70e28","block_sha256":"6a2cee4be30263387ff0b0fa99e0a6803f7107e27abc213f34dc311544f70e28","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0/#blk_367dc8c2-598e-489d-adae-f98b3a6b3182"},{"id":"occ_c9d76969e999088c034aac39","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0","work_id":"wrk_d0398aa0-3c6b-4407-995a-ef79e6153754","block_id":"blk_3f3541f7-c7be-46d3-9033-9d0be3956b7b","section_id":"sec_451f1c31-cb69-4d38-9b1e-c1c1adba200f","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":225,"end":227,"exact":"帯域","quote":"極 | 高周波         |\n| XBAR | 圧電単結晶薄膜内のバルク波 | 櫛形電極 | 高周波・広帯域・低損失 |\n```","quote_start":170,"quote_end":237,"text_sha256":"1d7f9a2eef62badf65e7c096425d24cb80748328dab0cc2fa42c7de5a055e475","block_sha256":"1d7f9a2eef62badf65e7c096425d24cb80748328dab0cc2fa42c7de5a055e475","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0/#blk_3f3541f7-c7be-46d3-9033-9d0be3956b7b"},{"id":"occ_6f2082b9781ea882edbfe73c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0","work_id":"wrk_d0398aa0-3c6b-4407-995a-ef79e6153754","block_id":"blk_7c22c69c-caac-42ba-83f4-42230c812b0b","section_id":"sec_d453cfaf-6ba7-458f-8795-8a8509f7e384","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":66,"end":68,"exact":"帯域","quote":"す。村田は2025年に、XBAR技術を用いた高周波フィルタを発表し、3GHz以上の高周波帯で低損失、高減衰、広帯域を実現すると説明しています。XBAR構造は、櫛形電極と圧電単結晶薄膜を使ってバルク弾性波を励振するものです。([Murata Manufacturing Co., Ltd.](https://www.","quote_start":11,"quote_end":168,"text_sha256":"6cfc489043ff7a3482a004518cd579526f2864c0e7e6dcc0c8f7679f6d744a41","block_sha256":"6cfc489043ff7a3482a004518cd579526f2864c0e7e6dcc0c8f7679f6d744a41","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0/#blk_7c22c69c-caac-42ba-83f4-42230c812b0b"},{"id":"occ_6acde3a5498c50aef0f32086","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0","work_id":"wrk_d0398aa0-3c6b-4407-995a-ef79e6153754","block_id":"blk_f8f57ee1-be4e-4948-abac-0fc5b9a6ee3c","section_id":"sec_d453cfaf-6ba7-458f-8795-8a8509f7e384","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":225,"end":227,"exact":"帯域","quote":"極 | 高周波         |\n| XBAR | 圧電単結晶薄膜内のバルク波 | 櫛形電極 | 高周波・広帯域・低損失 |\n```","quote_start":170,"quote_end":237,"text_sha256":"1d7f9a2eef62badf65e7c096425d24cb80748328dab0cc2fa42c7de5a055e475","block_sha256":"1d7f9a2eef62badf65e7c096425d24cb80748328dab0cc2fa42c7de5a055e475","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0/#blk_f8f57ee1-be4e-4948-abac-0fc5b9a6ee3c"},{"id":"occ_c7374fd75e5c754ad7585d71","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0","work_id":"wrk_d0398aa0-3c6b-4407-995a-ef79e6153754","block_id":"blk_f9b0482f-f54e-4ef5-aff1-bf7f977d5e31","section_id":"sec_d453cfaf-6ba7-458f-8795-8a8509f7e384","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":54,"end":56,"exact":"帯域","quote":"無線通信では、多くの周波数が同時に存在します。スマホやWi-Fi端末は、自分が使いたい周波数だけを通し、隣接帯域やノイズを抑える必要があります。この役割をするのがRFフィルタです。","quote_start":0,"quote_end":90,"text_sha256":"12e37635499b1dbf1c8504884bf53873e5c07478187c48f5da78d071f72d1303","block_sha256":"12e37635499b1dbf1c8504884bf53873e5c07478187c48f5da78d071f72d1303","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c49d360e-2b3c-4311-82ad-b78a89fde3e0/#blk_f9b0482f-f54e-4ef5-aff1-bf7f977d5e31"},{"id":"occ_9958dfbb124c90dfe805ad06","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c70dba8d-8c2a-4c07-934b-5920ce54c240","work_id":"wrk_cf92e285-09db-4e9a-9a37-a886a43a8bcc","block_id":"blk_23361642-d4c2-4775-9412-9aab6fb6fbaf","section_id":"sec_7f0554e2-fd50-4fb3-b6ef-1b65fb797d60","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":19,"end":21,"exact":"帯域","quote":"- 機能分割\n- モジュール化\n- 高帯域なダイ間接続\n- 部品の再利用\n- 製品全体としての協調動作","quote_start":0,"quote_end":51,"text_sha256":"59d22c8876200a90e63bcb30ae31c906fea75dc6473b095cbce65490b91e4d2d","block_sha256":"59d22c8876200a90e63bcb30ae31c906fea75dc6473b095cbce65490b91e4d2d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c70dba8d-8c2a-4c07-934b-5920ce54c240/#blk_23361642-d4c2-4775-9412-9aab6fb6fbaf"},{"id":"occ_e124161b467a94be8bac96c6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c70dba8d-8c2a-4c07-934b-5920ce54c240","work_id":"wrk_cf92e285-09db-4e9a-9a37-a886a43a8bcc","block_id":"blk_9a688db5-0aa3-4ab9-ab85-1d0495b7e85e","section_id":"sec_61536ed7-7dc1-4d30-9ea0-2c0f63c18889","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":23,"end":25,"exact":"帯域","quote":"```\n演算能力は増加\n      ↓\nダイ間帯域が不足\n      ↓\nデータ待ちが増加\n      ↓\n性能が伸びない\n```","quote_start":0,"quote_end":65,"text_sha256":"8b365ac280955f79d6ca4a047791555488496363bf3e9cc3e652b1fd2046124c","block_sha256":"8b365ac280955f79d6ca4a047791555488496363bf3e9cc3e652b1fd2046124c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c70dba8d-8c2a-4c07-934b-5920ce54c240/#blk_9a688db5-0aa3-4ab9-ab85-1d0495b7e85e"},{"id":"occ_3095f55cb4f728e8a1dbff35","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_06fb5470-8b3e-4165-8d59-731406af3a5c","section_id":"sec_fe573c98-974f-4cb8-b31a-e047936f85f4","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":14,"end":16,"exact":"帯域","quote":"XBMの重要性は、HBMより帯域が速いかどうかだけではない。","quote_start":0,"quote_end":30,"text_sha256":"e29d7bb8717e51cef632404e2d594863c36dee7351ced4a38d13fe0ff422b133","block_sha256":"e29d7bb8717e51cef632404e2d594863c36dee7351ced4a38d13fe0ff422b133","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_06fb5470-8b3e-4165-8d59-731406af3a5c"},{"id":"occ_bf560e266fcd5d6503a10b92","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_4c3189b5-aef2-4191-8e73-8a7b4b8eb931","section_id":"sec_3ffe7ac2-e476-4fc3-a96b-7dea8a1ac545","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":639,"end":641,"exact":"帯域","quote":"性能・高歩留まりで量産できるかにある。\n- 現時点のXBMは特許段階であり、セル材料、保持時間、歩留まり、実測帯域、電力、製造工程は公開されていない。([Free Patents Online](https://www.freepatentsonline.com/y2026/0191095.html))","quote_start":584,"quote_end":736,"text_sha256":"3e04f2fc1517d110e66bfc5d0449e8970011da09b31277b2db5066c9bc5ffffc","block_sha256":"3e04f2fc1517d110e66bfc5d0449e8970011da09b31277b2db5066c9bc5ffffc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_4c3189b5-aef2-4191-8e73-8a7b4b8eb931"},{"id":"occ_a4eae4d34c0618dab83bf6d6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_5c7500a7-daeb-4ab8-838e-64d6cc75d39a","section_id":"sec_6149ca4f-44d1-4240-8cda-1689eec9c26d","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":20,"end":22,"exact":"帯域","quote":"DRAMは、微小電荷を維持しながら密度と帯域を高めている。","quote_start":0,"quote_end":29,"text_sha256":"0696a363da27c1759dddf6d14c73d55faf1a767bacbfe7dc43e963abe3cf8ead","block_sha256":"0696a363da27c1759dddf6d14c73d55faf1a767bacbfe7dc43e963abe3cf8ead","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_5c7500a7-daeb-4ab8-838e-64d6cc75d39a"},{"id":"occ_a368b78ce453a8b9490dc5f1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_77f95345-46a1-4feb-9ca5-6a33d5bff695","section_id":"sec_ca181524-aff6-45bd-b0df-3b4cc46738f7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":46,"end":48,"exact":"帯域","quote":"3D積層DRAMでは、下層のロジックダイへ制御回路や処理回路を置けるため、メモリ内部の大きな帯域を活用したProcessing-in-Memoryの研究も進められている。([arXiv](https://arxiv.org/abs/1802.00320?utm_source=chatgpt.co","quote_start":0,"quote_end":148,"text_sha256":"4d92b8bb1497fa5aa319da6ca19a0ed1037760e6a4b76805dc263019d3195c67","block_sha256":"4d92b8bb1497fa5aa319da6ca19a0ed1037760e6a4b76805dc263019d3195c67","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_77f95345-46a1-4feb-9ca5-6a33d5bff695"},{"id":"occ_5496527758b3ed4cb07507b5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_96503fd2-58c5-4eee-bd5d-67f6b01515b6","section_id":"sec_9cf05703-30d3-4470-8b5f-ec902e2eab61","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"DRAMは容量と帯域を大きく伸ばしてきた一方、アクセス遅延の改善は比較的小さく、ビット線やセンスアンプを含むアレイ構造が長期的なボトルネックになっている。([arXiv](https://arxiv.org/abs/17","quote_start":0,"quote_end":110,"text_sha256":"4cac5cf286f42f5c33221b754c524305f075d1804b5bc7dc4572b8dce41db025","block_sha256":"4cac5cf286f42f5c33221b754c524305f075d1804b5bc7dc4572b8dce41db025","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_96503fd2-58c5-4eee-bd5d-67f6b01515b6"},{"id":"occ_316ec8731cc6346f9685e4f8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_990e730d-60dc-45a2-aad5-d88466e81e58","section_id":"sec_c7b22107-1cb5-4537-ad91-4d89b9af03de","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":70,"end":79,"exact":"Bandwidth","quote":"メモリダイが1T1C Backend DRAMを持ち、メモリダイを複数積層し、TSV gutter、High Bandwidth Interconnect、アクティブ・ベースダイ、UCIe、自己検査、冗長修復を組み合わせる構成が示されている。([Free Patents Online](https://www.freepate","quote_start":15,"quote_end":179,"text_sha256":"915eb282fc6291ab682675968b69c377873a9dd9db8b62e04d0af7c31ff0e3b0","block_sha256":"915eb282fc6291ab682675968b69c377873a9dd9db8b62e04d0af7c31ff0e3b0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_990e730d-60dc-45a2-aad5-d88466e81e58"},{"id":"occ_cb0d8e212e61dc16b0c704e0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_085aaa30-16f8-4789-af0e-fc1db756d2af","section_id":"sec_5226ab03-af4a-4066-94c1-664b83151037","layer":"code","character_id":null,"count":1,"matched_aliases":["Data Movement"],"evidence":{"text_basis":"markdown","start":13,"end":26,"exact":"Data Movement","quote":"```\nHBM不足\n ↓\nData Movementを減らしたい\n ↓\nSRAM増大\n ↓\nAdvanced Logic Area増加\n```","quote_start":0,"quote_end":71,"text_sha256":"55846cd0c8b066cfe2b435e1946e5855848d8410b46ad0e81aaa26a09538a760","block_sha256":"55846cd0c8b066cfe2b435e1946e5855848d8410b46ad0e81aaa26a09538a760","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_085aaa30-16f8-4789-af0e-fc1db756d2af"},{"id":"occ_ccf6a9786591a688849155c5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_3cf2bf0f-5556-4f28-919d-4472a427bac1","section_id":"sec_2f8823b3-ec95-4c30-97d6-3fd492761894","layer":"code","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":8,"end":17,"exact":"Bandwidth","quote":"```\nHBM Bandwidth↑\n+\nHBM Power↓\n+\nMemory ControllerをBase Dieへ\n+\nXPU PHY縮小\n+\nInterposer簡素化\n```","quote_start":0,"quote_end":93,"text_sha256":"170ec226c9ba76d100b46543c5c42e18a9b7c4dfea83f3660ea746a0aefb3425","block_sha256":"170ec226c9ba76d100b46543c5c42e18a9b7c4dfea83f3660ea746a0aefb3425","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_3cf2bf0f-5556-4f28-919d-4472a427bac1"},{"id":"occ_abd839512d18b47abeb119a8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_54ebb76e-8f40-4deb-bb8e-6f8c6773d1a0","section_id":"sec_b21dc356-a7a7-4263-ae51-7cf75bb27338","layer":"code","character_id":null,"count":2,"matched_aliases":["Bandwidth","Data 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|\n","quote_start":50,"quote_end":207,"text_sha256":"f804704e0a0e025cc892a7ab76ea8668c7ec9739d51f00f25e2a3f4955074ad3","block_sha256":"f804704e0a0e025cc892a7ab76ea8668c7ec9739d51f00f25e2a3f4955074ad3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_dbe69fb8-f76d-44e6-b111-aa27e548a204/#blk_d00e61fc-d281-4962-83d0-dd8bc1b78112"},{"id":"occ_9885db90b5f6f2ee42c57ee8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_df2ff134-3d7b-48d0-82b5-c341fa1dc646","work_id":"wrk_4c390ee8-19a9-47a2-baff-32ac4e8e79ad","block_id":"blk_765f4d99-b532-40fd-98b7-fbf19fef441b","section_id":"sec_ee030aed-a5e0-4a43-8b6d-81840aa1d4ba","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":38,"end":40,"exact":"帯域","quote":"**720TbpsのAggregate 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\nGPU/XPUの近くへ配置し、大量Dataを高速に供給する高性能DRAM。","quote_start":0,"quote_end":77,"text_sha256":"241d3a334fe6a93321babbc0ea93918f62270d94e8b98dd5e092bacf6ed38f68","block_sha256":"241d3a334fe6a93321babbc0ea93918f62270d94e8b98dd5e092bacf6ed38f68","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_df2ff134-3d7b-48d0-82b5-c341fa1dc646/#blk_9ce5c3ca-5e00-4e75-b6b2-aaa122b513be"},{"id":"occ_c8742a3e7b18fe6607239462","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_df2ff134-3d7b-48d0-82b5-c341fa1dc646","work_id":"wrk_4c390ee8-19a9-47a2-baff-32ac4e8e79ad","block_id":"blk_effbaff9-8d60-4cb0-b3d0-f0c77c47ee6d","section_id":"sec_0d58c738-8dc9-41d5-a868-e2081e35bdff","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":54,"end":56,"exact":"帯域","quote":"Tbps――Terabits per second。  \n1秒間に何兆Bit通信できるかを示すNetwork帯域。","quote_start":0,"quote_end":57,"text_sha256":"41ed717fb7943a03b5f9bcd9560f62e2bc41abae17c955212d188c37e3405bb7","block_sha256":"41ed717fb7943a03b5f9bcd9560f62e2bc41abae17c955212d188c37e3405bb7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_df2ff134-3d7b-48d0-82b5-c341fa1dc646/#blk_effbaff9-8d60-4cb0-b3d0-f0c77c47ee6d"},{"id":"occ_7c88b790bbfc9160ebafc37d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_07a8f1c0-1a81-4b9a-a575-2f3d14728a90","section_id":"sec_edc56a76-7ab8-4a22-81d5-880630a2e6bc","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":7,"end":16,"exact":"bandwidth","quote":"なのでraw 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([AMD](https://www.amd.com/en/products/rackscale-solutions/helios.html?utm_source=ch","quote_start":0,"quote_end":116,"text_sha256":"5aeb1a18fbb927d2db9af22d600cb23a13daf81eed1d87494f7af2ba12ebdb09","block_sha256":"5aeb1a18fbb927d2db9af22d600cb23a13daf81eed1d87494f7af2ba12ebdb09","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_07a8f1c0-1a81-4b9a-a575-2f3d14728a90"},{"id":"occ_4807d41545a4b341e94d19e2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_2e5c2d4a-e2be-44a1-92d5-0a2d9da21b30","section_id":"sec_c14ec96f-8dc9-423d-96a7-68f92e6169b4","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":63,"end":72,"exact":"bandwidth","quote":"もIronwood上のQwen 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Blog](https://developers.googleblog.com/systems-enginee","quote_start":8,"quote_end":172,"text_sha256":"47a001ee3cddcaaada4d843b4705e456d698c30517e1b4f5bc9544f329a48e62","block_sha256":"47a001ee3cddcaaada4d843b4705e456d698c30517e1b4f5bc9544f329a48e62","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_2e5c2d4a-e2be-44a1-92d5-0a2d9da21b30"},{"id":"occ_79675bb856388672cadfe8e6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_30448a5a-baf6-4db4-bdd7-0011d9d1d4b8","section_id":"sec_17ac6c1d-bb54-4ed7-9db8-0385e87565c1","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":99,"end":101,"exact":"帯域","quote":"CPU自身でもAIの行列処理を高速化できる。Xeon 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**帯域を50％増やしたこと**","quote_start":0,"quote_end":18,"text_sha256":"b0f672e622ab17bb391dbc8eb40e50204fdd7f5794b61018d385941c40489ebf","block_sha256":"b0f672e622ab17bb391dbc8eb40e50204fdd7f5794b61018d385941c40489ebf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_6ae9756c-44c3-4076-8397-11e7b6ad3d67"},{"id":"occ_409a2a87732416dceb67ba2b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_74be8ea4-bbd4-40b6-b0fa-32692e6fffe5","section_id":"sec_ecb85b00-ffcc-4338-84bf-fc30489671c7","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"> **ほぼ同じ帯域密度のまま、ローカルHBM容量を50％増やしたこと**","quote_start":0,"quote_end":37,"text_sha256":"5d87ef93dd5284ce1e6d2bcc1ce98bae8b50df532de21176cc45ef051fa94ba9","block_sha256":"5d87ef93dd5284ce1e6d2bcc1ce98bae8b50df532de21176cc45ef051fa94ba9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_74be8ea4-bbd4-40b6-b0fa-32692e6fffe5"},{"id":"occ_ce171903eb4eb0f9defb29a0","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_953265b9-7b50-4f04-a224-3780e787bf83","section_id":"sec_703339dc-3335-41fe-aab7-62b79b090a0f","layer":"code","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":34,"end":43,"exact":"bandwidth","quote":"```\nGPU 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bandwidth utilization\n- occupancy\n- interconnect utilization\n- power utilization\n- MFU\n- TTFT\n- ITL\n- tokens/","quote_start":0,"quote_end":148,"text_sha256":"7e46307de8102b5725e01af0792bd1cbedd93a3d662ec2186e8a78cef7e90ef9","block_sha256":"7e46307de8102b5725e01af0792bd1cbedd93a3d662ec2186e8a78cef7e90ef9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_b39af9e7-4e1d-4a2f-83cc-4ec68ea22b7d"},{"id":"occ_34a08a09bd1c11c24ec417e8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_bb683eb4-1074-4136-8d11-a0dd8f3cf04c","section_id":"sec_3507b738-5337-4662-b205-109370db662f","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":64,"end":73,"exact":"Bandwidth","quote":"hot AIが構築したAgentic AI stackでは、さらにUMBP（Unified 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bandwidth：AMD","quote_start":0,"quote_end":19,"text_sha256":"285c62f02d76bfe2beb6df5cf85dafc0d6c3bb1c94a5e742d3e6a87c45586766","block_sha256":"285c62f02d76bfe2beb6df5cf85dafc0d6c3bb1c94a5e742d3e6a87c45586766","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_d7d405b5-4fd1-4293-9e06-e340a29e7afc"},{"id":"occ_52295f045f4864a1ec2fba4e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_e340d9fb-c3f2-4273-b814-d51502604c2f","section_id":"sec_703339dc-3335-41fe-aab7-62b79b090a0f","layer":"code","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":34,"end":43,"exact":"bandwidth","quote":"```\nGPU utilization      100％\nHBM bandwidth         45％\nMatrix unit active    90％\n```","quote_start":0,"quote_end":85,"text_sha256":"2f331b7724ce1bfc838b6c3b30c4cdd13038180c519b79ec0822b6e1036aa4fc","block_sha256":"2f331b7724ce1bfc838b6c3b30c4cdd13038180c519b79ec0822b6e1036aa4fc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_e340d9fb-c3f2-4273-b814-d51502604c2f"},{"id":"occ_45135448c6250a2728870b54","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_1286ed6d-87fa-4970-83b4-4c91cae31801","section_id":"sec_e45236ef-86c2-4c36-b3a0-c83e1532ac4b","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":14,"end":16,"exact":"帯域","quote":"しかしHBMの22TB/s級帯域には届かない。","quote_start":0,"quote_end":23,"text_sha256":"9f31241d4ce8de63a4d427fbde7d77f69693595b634308e66eb7cc8b3cd95218","block_sha256":"9f31241d4ce8de63a4d427fbde7d77f69693595b634308e66eb7cc8b3cd95218","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_1286ed6d-87fa-4970-83b4-4c91cae31801"},{"id":"occ_3088713520ca2b47f2ef6007","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_210667c6-8550-47d1-ad48-a1ac80d7270a","section_id":"sec_7a6b4d4b-d83f-48a4-96cc-b519334292bb","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":17,"end":26,"exact":"bandwidth","quote":"129.6PB/s 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computingによりAI200比で**10倍超の実効メモリ帯域**と低消費電力を狙う設計です。([Qualcomm](https://www.qualcomm.com/artificial-intelligence/data-center))","quote_start":165,"quote_end":312,"text_sha256":"4f09ab7bc95ad1ba39143b039bacd84a8c8ef89a2820d1251c75dc162aa6950e","block_sha256":"4f09ab7bc95ad1ba39143b039bacd84a8c8ef89a2820d1251c75dc162aa6950e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ead2aeb8-4b54-444a-83a1-bbc8187c760e/#blk_b374fa8e-d2ef-421a-a895-d06246664ff2"},{"id":"occ_4a655d2e440258b7e4eb0b8a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_ead2aeb8-4b54-444a-83a1-bbc8187c760e","work_id":"wrk_65ea8146-0c98-40e2-b084-2dacaa4f1bf1","block_id":"blk_b41d7eab-fef0-4ff3-a06b-3bd76d8a6f85","section_id":"sec_c147381c-c845-4eab-9414-a97208977392","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":16,"end":18,"exact":"帯域","quote":"- Connectivity：広帯域・高効率・Giga-MIMOなどによる接続性\n- Sensing：無線信号とマルチモーダル融合による広域センシング\n- High-performance compute：デバイス、エッジ、クラウド各層","quote_start":0,"quote_end":118,"text_sha256":"0927fc855e3baaa49f3336aa5fe7e8719eff18b75451faf2969dd912aaf4ba96","block_sha256":"0927fc855e3baaa49f3336aa5fe7e8719eff18b75451faf2969dd912aaf4ba96","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ead2aeb8-4b54-444a-83a1-bbc8187c760e/#blk_b41d7eab-fef0-4ff3-a06b-3bd76d8a6f85"},{"id":"occ_754505abc49e06e7044df493","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_ead2aeb8-4b54-444a-83a1-bbc8187c760e","work_id":"wrk_65ea8146-0c98-40e2-b084-2dacaa4f1bf1","block_id":"blk_dca65c76-53aa-4c07-a313-77b2c60609c2","section_id":"sec_09c43d29-39ab-44b6-8eec-f13e43c51c5a","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":58,"end":60,"exact":"帯域","quote":"ntic AIの研究でも、ツール処理が全体レイテンシの大きな割合を占め、CPU側の同期、コアの過剰使用、メモリ帯域などがボトルネックになり得ると分析されています。([arXiv](https://arxiv.org/abs/2511.00739?utm_source=chatgpt.com))","quote_start":3,"quote_end":150,"text_sha256":"d9382fbfe5d0443a197004c59bb65db9789a5ee4ce1452863f93bd713f312b85","block_sha256":"d9382fbfe5d0443a197004c59bb65db9789a5ee4ce1452863f93bd713f312b85","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ead2aeb8-4b54-444a-83a1-bbc8187c760e/#blk_dca65c76-53aa-4c07-a313-77b2c60609c2"},{"id":"occ_0892d73bca632de95d21f6d6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_ec6cc502-640e-4fef-a24c-82386eb57344","work_id":"wrk_a4a974fa-91dc-443a-80e8-17400ac231f3","block_id":"blk_2c5e3be0-b28d-431f-8d79-087eeaef63a9","section_id":"sec_42714715-4d79-458d-ab2e-61db0f048e50","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":193,"end":195,"exact":"帯域","quote":"コンピューティング（HPC）や人工知能（AI）向けに使用され、シリコンインターポーザーを介して複数のチップと高帯域幅メモリ（HBM）を統合します。","quote_start":138,"quote_end":211,"text_sha256":"f8f1c2407a38325d1dc1dfa58f3913ee57a0d21120a43ad26b21ffc9dfe6ea06","block_sha256":"f8f1c2407a38325d1dc1dfa58f3913ee57a0d21120a43ad26b21ffc9dfe6ea06","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ec6cc502-640e-4fef-a24c-82386eb57344/#blk_2c5e3be0-b28d-431f-8d79-087eeaef63a9"},{"id":"occ_defe61f653515325ce3268cb","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_ec8dcee2-8cfa-47fc-b563-9c677fad17fa","work_id":"wrk_3f51fe9a-c519-4877-8cca-a97c9f8d7d8e","block_id":"blk_b9bc1b21-4756-40a7-9bff-9d4b5200d6f4","section_id":"sec_9f6783c3-d15d-4d6e-bde7-ea5e24e1d136","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":14,"end":16,"exact":"帯域","quote":"結果としてHBMやUCIeの帯域を増やせる。","quote_start":0,"quote_end":22,"text_sha256":"a20500d115ecd3683845a1e08981afb252e2b0e7415796d19601f0f1665e88de","block_sha256":"a20500d115ecd3683845a1e08981afb252e2b0e7415796d19601f0f1665e88de","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ec8dcee2-8cfa-47fc-b563-9c677fad17fa/#blk_b9bc1b21-4756-40a7-9bff-9d4b5200d6f4"},{"id":"occ_c95e9c431f7a12fbd7a32621","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_ee871b65-2665-47a6-9e3d-f1a3b67b1de1","work_id":"wrk_991ce980-1208-4f4b-8294-25a23882a284","block_id":"blk_798fd748-60f2-4a46-b5da-19404aa970d0","section_id":"sec_a2c96917-4733-4807-82b1-44a9e9ca883f","layer":"body","character_id":null,"count":1,"matched_aliases":["Data 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Pool\n＝大容量DRAM、KVキャッシュ、共有メモリ、補助階層\n```","quote_start":0,"quote_end":82,"text_sha256":"c812583549fd257df3c5c6fcf83edba877475b6be4a9bd93061cc8da403da713","block_sha256":"c812583549fd257df3c5c6fcf83edba877475b6be4a9bd93061cc8da403da713","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_f0160094-7c0f-496f-abba-2e071c72b84a"},{"id":"occ_1eae3e9d7d11afd6014e014d","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8","work_id":"wrk_e9e75464-bed3-4605-8239-b70c2bfeeaf0","block_id":"blk_07e5d6e0-9b67-410b-bd1c-a705b9153f9d","section_id":"sec_340108c3-6265-4704-9ffe-1af0699f607c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":9,"end":11,"exact":"帯域","quote":"- 特定NICへの帯域偏りを減らす\n- 複数Leafへトラフィックを分散する\n- 中間のPCIe／railスイッチを削減する\n- 障害経路を迂回する\n- CXLメモリやNVMeを同じ境界へ統合する","quote_start":0,"quote_end":98,"text_sha256":"9f4f6a4b81d6f7311131b30ca8302c60e1e5ecc2a4650ef9d59d498a481e6f29","block_sha256":"9f4f6a4b81d6f7311131b30ca8302c60e1e5ecc2a4650ef9d59d498a481e6f29","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8/#blk_07e5d6e0-9b67-410b-bd1c-a705b9153f9d"},{"id":"occ_6b78b308f8282b50c6e40577","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8","work_id":"wrk_e9e75464-bed3-4605-8239-b70c2bfeeaf0","block_id":"blk_5d4a141a-aa8b-48f5-a34c-7af6bef72845","section_id":"sec_3b2dc1aa-5ef4-4709-ab60-218e60109393","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":86,"end":88,"exact":"帯域","quote":"がら目的地へ届く。そのため、チップ数を非常に大きく拡張できる一方、近くのTPUと遠くのTPUでは遅延や利用可能帯域が異なる。","quote_start":31,"quote_end":93,"text_sha256":"4bf13177cc092c3a6cb1dfe8e0e2bd8f013285190cb6887933c1dcf6a8fb4f86","block_sha256":"4bf13177cc092c3a6cb1dfe8e0e2bd8f013285190cb6887933c1dcf6a8fb4f86","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8/#blk_5d4a141a-aa8b-48f5-a34c-7af6bef72845"},{"id":"occ_56a3d15c254d49629a31bb0a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8","work_id":"wrk_e9e75464-bed3-4605-8239-b70c2bfeeaf0","block_id":"blk_87ad3736-eb16-4b1b-b835-5c0ab9e8fc38","section_id":"sec_340108c3-6265-4704-9ffe-1af0699f607c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":33,"end":35,"exact":"帯域","quote":"従来のGPUとNICの固定的な対応を弱め、複数GPUが複数のNIC帯域やネットワーク経路を共有できるようにする。","quote_start":0,"quote_end":56,"text_sha256":"f6a665a10d0e5ceaa163696a2d3bcea29d6f73805634a85b454b9048a5c4e4cf","block_sha256":"f6a665a10d0e5ceaa163696a2d3bcea29d6f73805634a85b454b9048a5c4e4cf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8/#blk_87ad3736-eb16-4b1b-b835-5c0ab9e8fc38"},{"id":"occ_56fdd3fe2bf5f95b072b53f7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8","work_id":"wrk_e9e75464-bed3-4605-8239-b70c2bfeeaf0","block_id":"blk_95a07249-ea0c-4ec1-b3ae-1432ccf17e56","section_id":"sec_8bf8aea9-0826-41f0-b064-c8f7ad7476b0","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":13,"end":15,"exact":"帯域","quote":"通信頻度が高く、低遅延と高帯域が必要になる。Tensor 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PCIe／CXLスイッチ\n＋ 複数GPUの帯域共有\n＋ 多経路分散\n```","quote_start":0,"quote_end":56,"text_sha256":"7eba38998405fffadd9fe1d50cfb8825cc13a2276625059c890a3f465983afa1","block_sha256":"7eba38998405fffadd9fe1d50cfb8825cc13a2276625059c890a3f465983afa1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8/#blk_b76c4c06-84a6-4ab0-9b12-51e01942b14a"},{"id":"occ_b84b0be3ade25b7ca33e8be9","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8","work_id":"wrk_e9e75464-bed3-4605-8239-b70c2bfeeaf0","block_id":"blk_e168d525-9771-4d15-b68c-bdb6a74aef68","section_id":"sec_ace3a963-9b38-4633-9d0d-27d8b1cb687c","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":87,"end":89,"exact":"帯域","quote":"Dトーラスのように遠くのGPUへ到達するまで多数のGPUを経由する必要がない。規模は限られるが、その内部では高帯域、低遅延、予測可能性の高い通信を実現しやすい。","quote_start":32,"quote_end":112,"text_sha256":"83b76ddb6cc056fa16c40e46a33f9ec8d716c19b95afeaefb6fc34cb2f0549ec","block_sha256":"83b76ddb6cc056fa16c40e46a33f9ec8d716c19b95afeaefb6fc34cb2f0549ec","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8/#blk_e168d525-9771-4d15-b68c-bdb6a74aef68"},{"id":"occ_8df47888211f3f92c9b26489","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_132df9ff-10cd-42a8-9700-931cec9b42ec","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":227,"end":229,"exact":"帯域","quote":"モリモジュールを実現、AIサーバーの省スペース高効率メモリとして注目されています。LPDDR系は消費電力当たり帯域性能が高いため、サーバー用途にも適用が広がりつつあります。","quote_start":172,"quote_end":258,"text_sha256":"f5477fd9b80866140e6075f97a165eb4589a8d85d1e66e2ce3cc5329dd2261f1","block_sha256":"f5477fd9b80866140e6075f97a165eb4589a8d85d1e66e2ce3cc5329dd2261f1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_132df9ff-10cd-42a8-9700-931cec9b42ec"},{"id":"occ_d8b305a6539c369a5e174aff","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_147bbddd-d40c-4a25-a9bf-aad27a0c077e","section_id":"sec_b7cd6113-b8fb-48e8-8dc3-a81bd43a8e7e","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":148,"end":150,"exact":"帯域","quote":"One、そしてNVIDIAのGrace CPUなど、Armベースの高性能サーバーCPUが**高コア数・高メモリ帯域・電力効率**を武器に採用を拡大しています。AWSではすでに**新規EC2インスタンスの50%が自社設計のArm CPU（Graviton）で占められるようになっており、Graviton搭載インスタン","quote_start":93,"quote_end":250,"text_sha256":"14ea7ce2ebc355c60ae9337fe8a5de2f090fd2e008a51fddda6e7523f97219f2","block_sha256":"14ea7ce2ebc355c60ae9337fe8a5de2f090fd2e008a51fddda6e7523f97219f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_147bbddd-d40c-4a25-a9bf-aad27a0c077e"},{"id":"occ_4513d6db83ec01d58af88285","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_3c92b8d3-a7d8-4b1f-ac51-be5831027c8a","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":78,"end":80,"exact":"帯域","quote":"ット向上**の鍵です。例えばGPT-4クラスでは数百GBのパラメータを高速に出し入れする必要があるため、HBM帯域がトレーニング速度を支配します。HBM4世代では1スタック2TB/sという従来比2倍超の帯域に達し、Rubin GPUの性能（FP4 50PFLOPS）を余すところなく引き出せるよう設計されています。","quote_start":23,"quote_end":180,"text_sha256":"6ff5ea90a22bf510dd085e2f552408cbdccbea779fdc792b8859a56e55f5ac1d","block_sha256":"6ff5ea90a22bf510dd085e2f552408cbdccbea779fdc792b8859a56e55f5ac1d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_3c92b8d3-a7d8-4b1f-ac51-be5831027c8a"},{"id":"occ_b33fc9ae080a6cde41f8c088","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_431c5210-5db8-4290-8429-8b2d5481882f","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":56,"end":65,"exact":"Bandwidth","quote":"*HBMの進化:** 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“Venice”で256コア**を実現する計画が報じられており、メモリ帯域もさらに強","quote_start":55,"quote_end":212,"text_sha256":"ef010cff5e4fd328e242b63cb49243088d3e297266e32b9de653c162f3fb5e72","block_sha256":"ef010cff5e4fd328e242b63cb49243088d3e297266e32b9de653c162f3fb5e72","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_97dbda5f-37e5-4341-9058-34901538e3e4"},{"id":"occ_8aad34c6a57d9e027e5eb4c2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_c7928984-9a77-4a08-b298-aee258adb485","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":4,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":80,"end":82,"exact":"帯域","quote":"年):** 2022年頃からNVIDIA H100やAMD MI250Xに採用され始めたHBM3は、ピン当たり帯域6.4Gbps前後、スタック当たり帯域**819GB/s**程度を実現します（1024bitバス幅、8個または12個ダイStack）。容量は8-Hiスタックで16GBが一般的ですが、HBM3Eでは**","quote_start":25,"quote_end":182,"text_sha256":"b893bb1dded9f3a9544b12cbf7dd40fde8e912bd305699ce5771cfb05c5b6d8e","block_sha256":"b893bb1dded9f3a9544b12cbf7dd40fde8e912bd305699ce5771cfb05c5b6d8e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_c7928984-9a77-4a08-b298-aee258adb485"},{"id":"occ_25ccef02a46ec90039482a36","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_e97df9ce-beac-40f2-947c-1b399054c4b0","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":30,"end":32,"exact":"帯域","quote":"メモリ規格 供給メーカー スタック (ダイ層数) 1スタック帯域 (ピン速度) 1スタック容量 年代・備考 **HBM2E** SK hynix他 8-Hi (2.5D実装) 460 GB/s @3.2Gbps 16GB (2GB×8) 2019–2021年, A","quote_start":0,"quote_end":132,"text_sha256":"291477134c9368d789c8eb201cf1b59028c5b97f6baff115a38d88d9e3761b17","block_sha256":"291477134c9368d789c8eb201cf1b59028c5b97f6baff115a38d88d9e3761b17","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_e97df9ce-beac-40f2-947c-1b399054c4b0"},{"id":"occ_ed0a8edebae1aaec8ccfbb11","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_eb4c384f-64fc-48fd-8204-7b5583e067df","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":327,"end":329,"exact":"帯域","quote":"ルあたり**12.8 Gbpsクラス**の速度を実現しています。これら技術により、CPU側メモリサブシステムの帯域も飛躍的に向上し、AIデータロードなどでボトルネックを減らせます。","quote_start":272,"quote_end":362,"text_sha256":"29a5c3a223cd6a75f0fb8597c10a87171c6fcac622ce040e51e8988f355830af","block_sha256":"29a5c3a223cd6a75f0fb8597c10a87171c6fcac622ce040e51e8988f355830af","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_eb4c384f-64fc-48fd-8204-7b5583e067df"},{"id":"occ_82c0b237ab4f56ba11317b2a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_f1530434-6385-421f-b4dd-4fa92022b8ee","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":31,"end":33,"exact":"帯域","quote":"まとめれば、**HBM3E/HBM4の投入**でGPUのメモリ帯域・容量が飛躍し、超巨大モデルの学習・推論が可能となります。一方で**DDR5/6の高性能化**によりCPU側もボトルネックを減らし、GPUクラスタ全体の効率を底上げします。将来的には光技術や新素材メモ","quote_start":0,"quote_end":133,"text_sha256":"fb43348fc4050b13d5def6c572093a2ab528bcf4f0bf6fe1eb02bd789b1855a6","block_sha256":"fb43348fc4050b13d5def6c572093a2ab528bcf4f0bf6fe1eb02bd789b1855a6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_f1530434-6385-421f-b4dd-4fa92022b8ee"},{"id":"occ_8075dfd06a4e3eaad83114f6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_f1a5bd68-f35d-47a4-aa31-55b073aa3f61","section_id":"sec_b7cd6113-b8fb-48e8-8dc3-a81bd43a8e7e","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":162,"end":164,"exact":"帯域","quote":"ーCPUはAI推論など**スループット重視のタスクで性能/Wattに優れる**ケースが多く、また**高いメモリ帯域やコア数でGPUのデータ待ちを減らす**ことから、生成AIデータセンターにおける採用が今後さらに加速すると見込まれます。","quote_start":107,"quote_end":224,"text_sha256":"6b3bfef3f74e5f3eef35a0b96f222a2abcf199281e87f7ee2f81b75a1521d395","block_sha256":"6b3bfef3f74e5f3eef35a0b96f222a2abcf199281e87f7ee2f81b75a1521d395","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_f1a5bd68-f35d-47a4-aa31-55b073aa3f61"},{"id":"occ_1fc80c7e787b31ab8a93be57","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_0cba0d65-1a79-4833-a269-f22ab1b0ef79","section_id":"sec_3beb3779-baef-47d8-b339-2332d0780dd8","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"```\n| 仮想的なWSE構成 | 近接容量 | 近接帯域 | 現在の外部I/O比 |\n| 現行CS-3外部I/O | 外部依存 | 0.15TB/s | 1倍 |\n| Rubin GPU相当の近接メモリー | 288GB | 22TB/s | 約147倍 ","quote_start":0,"quote_end":129,"text_sha256":"3d2e02829b95895f87cf8af2da28378fc7ccbd20f84dc1abb2a9680ff8b24727","block_sha256":"3d2e02829b95895f87cf8af2da28378fc7ccbd20f84dc1abb2a9680ff8b24727","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_0cba0d65-1a79-4833-a269-f22ab1b0ef79"},{"id":"occ_708c30a017920210dcb31256","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_0cca2f4f-6ccd-49a7-a805-1b29229ec1b0","section_id":"sec_02e4a9ca-aefd-467c-85c8-bb94bff16843","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":27,"end":29,"exact":"帯域","quote":"以下もCerebrasの発表値ではなく、将来の光I/O帯域を仮定した試算である。","quote_start":0,"quote_end":40,"text_sha256":"483bf07a7f3e551f1b88e4b6391c5df8a22598501bc9aa0c2a01b03ca4d4857b","block_sha256":"483bf07a7f3e551f1b88e4b6391c5df8a22598501bc9aa0c2a01b03ca4d4857b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_0cca2f4f-6ccd-49a7-a805-1b29229ec1b0"},{"id":"occ_0058f3749dda7821e9629a4b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_0efaf387-fcd2-4ab6-8b5a-9924f220d3a9","section_id":"sec_29c83f03-75c2-4de7-a777-58eca34e2120","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":119,"end":121,"exact":"帯域","quote":"な演算器として利用する。WSE-3には90万個のAIコア、44GBのオンチップSRAM、21PB/sのメモリー帯域、214Pb/sの内部接続帯域が実装されている。演算器、メモリー、通信網を同じ巨大シリコン上へ配置することで、GPU間通信を減らし、極めて低い遅延を実現する設計である。([Cerebras](http","quote_start":64,"quote_end":221,"text_sha256":"95eed91ba989e009dc3f4e720c429855c75844385cb65c32425e89821f2ac3bd","block_sha256":"95eed91ba989e009dc3f4e720c429855c75844385cb65c32425e89821f2ac3bd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_0efaf387-fcd2-4ab6-8b5a-9924f220d3a9"},{"id":"occ_ab1eccd198cd11a319c887e7","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_2601757b-a84b-44ba-8eab-d6408f58dada","section_id":"sec_f8d89284-a6eb-4880-bfbe-75dbfe88fd2f","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":61,"end":63,"exact":"帯域","quote":"のCerebras\n\nWSE分散SRAM\n44GB・21PB/s\n      │\n      │ 約14万倍の帯域差\n      ↓\nシステム外部I/O\n約0.15TB/s\n      ↓\nMemoryX・外部メモリー\n```","quote_start":6,"quote_end":119,"text_sha256":"28bdec5676395e5be2faf5795a7cd543b16e69b55fccf3e97d752dc69d77f2c5","block_sha256":"28bdec5676395e5be2faf5795a7cd543b16e69b55fccf3e97d752dc69d77f2c5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_2601757b-a84b-44ba-8eab-d6408f58dada"},{"id":"occ_b50b5fd897f1ca9dd617677e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_2b9d7c2a-eaf0-490b-8fd4-1046f7e5f651","section_id":"sec_02e4a9ca-aefd-467c-85c8-bb94bff16843","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"```\n| 接続帯域 | 現行CS-3 I/O比 |\n| 現行CS-3システムI/O (1.2Tb/s＝0.15TB/s) | 1倍 |\n| 25Tb/s級光I/O (3.1TB/s) | 約21倍 |\n| 100Tb/","quote_start":0,"quote_end":110,"text_sha256":"9fe551b9c25a90d51fc6f4391d3038cd7dc743bafe019d4c3fe01bb470dff30c","block_sha256":"9fe551b9c25a90d51fc6f4391d3038cd7dc743bafe019d4c3fe01bb470dff30c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_2b9d7c2a-eaf0-490b-8fd4-1046f7e5f651"},{"id":"occ_f82bc51905ee60e65701282e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_2f2ce0a1-b941-48d5-8c56-4cd45b618706","section_id":"sec_9b635b0c-07c5-4823-9acb-8377cca246c5","layer":"code","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":138,"end":140,"exact":"帯域","quote":"力全体の一括処理 | 行列演算性能、HBM容量 |\n| Decode | 1トークンずつ逐次生成 | メモリー帯域、低遅延、KV管理 |\n```","quote_start":83,"quote_end":155,"text_sha256":"818f910a2a48576f9a03cbc73a89386a5866ac70c38ff02741a0b7707aee507e","block_sha256":"818f910a2a48576f9a03cbc73a89386a5866ac70c38ff02741a0b7707aee507e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_2f2ce0a1-b941-48d5-8c56-4cd45b618706"},{"id":"occ_2ff3a5674ea732eee567decb","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_39c77854-c3cb-475a-aaf2-17235d8d4a98","section_id":"sec_4fa93586-6946-4576-b2e4-3fc4bbaa28f6","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":23,"end":25,"exact":"帯域","quote":"> **現在のWSEが持つ圧倒的な分散SRAM帯域と低遅延通信を、推論パイプライン全体ではなく、Decodeという高付加価値工程へ集中させること。**","quote_start":0,"quote_end":75,"text_sha256":"cb22b514b6b00d896335a623c61a68cce23e26a86943bedca02561177a05fda7","block_sha256":"cb22b514b6b00d896335a623c61a68cce23e26a86943bedca02561177a05fda7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_39c77854-c3cb-475a-aaf2-17235d8d4a98"},{"id":"occ_b4d4cc7f5574a415a280e252","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_444eb0d2-9a80-4e61-ba48-0daa1be92c3c","section_id":"sec_4fa93586-6946-4576-b2e4-3fc4bbaa28f6","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":33,"end":35,"exact":"帯域","quote":"を実現できれば、現在の外部I/Oに対して100倍から500倍規模の帯域改善が期待できる。","quote_start":0,"quote_end":44,"text_sha256":"25f751e4660b1792882e1bd9968120200c427890c076c5ae4f462bd87c539cab","block_sha256":"25f751e4660b1792882e1bd9968120200c427890c076c5ae4f462bd87c539cab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_444eb0d2-9a80-4e61-ba48-0daa1be92c3c"},{"id":"occ_404347a6c84e078e005a70b4","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_48ab09a1-420d-4435-bc5f-2907ebfe3802","section_id":"sec_02e4a9ca-aefd-467c-85c8-bb94bff16843","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":33,"end":35,"exact":"帯域","quote":"100～200Tb/s級の光I/OをWSEへ実装できれば、外部接続帯域は12.5～25TB/sとなり、**Rubin 1GPUのHBM4帯域に近い水準**まで引き上げられる。","quote_start":0,"quote_end":87,"text_sha256":"5a13a7231fab95751316decfcfbdf94975b5627bc7358e751a6e07a30c21ebfb","block_sha256":"5a13a7231fab95751316decfcfbdf94975b5627bc7358e751a6e07a30c21ebfb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_48ab09a1-420d-4435-bc5f-2907ebfe3802"},{"id":"occ_93d587c1451e97073e200f0a","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_4b6b028f-6fdb-4bd1-881a-50fdfc4adb0c","section_id":"sec_3beb3779-baef-47d8-b339-2332d0780dd8","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":40,"end":42,"exact":"帯域","quote":"仮に将来のWSEへRubin級のメモリーサブシステムを追加できた場合、次のような帯域が考えられる。これはCerebrasが発表したロードマップではなく、Rubinの公称値を基準にした技術的試算である。","quote_start":0,"quote_end":100,"text_sha256":"733b86a28f4dbb0bcd179e1a98eb39ef8d299d4154e96ad86d941bb891a05b76","block_sha256":"733b86a28f4dbb0bcd179e1a98eb39ef8d299d4154e96ad86d941bb891a05b76","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_4b6b028f-6fdb-4bd1-881a-50fdfc4adb0c"},{"id":"occ_27fe5cdbd6ef13ec9e1c98c8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_53a2c04b-593c-4d79-8765-837961db1513","section_id":"sec_0fd41a36-e7bc-44f6-aee0-9b2be9d051aa","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":15,"end":17,"exact":"帯域","quote":"WSEの21PB/sという局所帯域を保ちながら、容量を数百GBから1TB以上へ拡張できれば、Cerebrasの「容量は小さいが内部だけ速い」という弱点は大きく変わる。","quote_start":0,"quote_end":83,"text_sha256":"94ea7bee12168e8f3cb5e2c1d8d97ce53375a8bdd6abac0540021d89cf7a7c5c","block_sha256":"94ea7bee12168e8f3cb5e2c1d8d97ce53375a8bdd6abac0540021d89cf7a7c5c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_53a2c04b-593c-4d79-8765-837961db1513"},{"id":"occ_63262daef4a9f15cc9753f51","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_5b99adbe-3d3e-4e10-a2fa-f9c9428f6792","section_id":"sec_6c0daefd-7a05-4226-b0a9-14420d8b1387","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":47,"end":49,"exact":"帯域","quote":"バッチ1のDenseモデルでは、1トークン生成ごとにモデル重みの大部分を読み出すため、メモリー帯域がDecode速度へ強く影響する。","quote_start":0,"quote_end":66,"text_sha256":"83227538493c7f4684eb07e7c4b5f6c3c3c8d95fe907d34fb2628cfe53383af8","block_sha256":"83227538493c7f4684eb07e7c4b5f6c3c3c8d95fe907d34fb2628cfe53383af8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_5b99adbe-3d3e-4e10-a2fa-f9c9428f6792"},{"id":"occ_cc7192ee853a3b369e0cf5db","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_6d9cf530-1394-4104-bc25-1a3c3c157ea2","section_id":"sec_1dd0c108-ae0f-4cdb-aa8c-6db4459b8ca6","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":26,"end":28,"exact":"帯域","quote":"また、光接続を高速化しても、接続先のメモリーが十分な帯域を持たなければ意味がない。","quote_start":0,"quote_end":41,"text_sha256":"d804017c912d22d6cb12fdf94e366bec3b93e5f9aecf509697486750a9b39a66","block_sha256":"d804017c912d22d6cb12fdf94e366bec3b93e5f9aecf509697486750a9b39a66","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_6d9cf530-1394-4104-bc25-1a3c3c157ea2"},{"id":"occ_f2df299a774633ca0b9dd469","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_6fa1e0eb-ee8f-429f-8aff-91436905741a","section_id":"sec_23706c9b-77f9-4da7-b3d4-f4745a46b974","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":4,"end":6,"exact":"帯域","quote":"理想的に帯域を使い切れる場合の転送時間は次のようになる。","quote_start":0,"quote_end":28,"text_sha256":"e839fed75c6e2d6ff24b423fc2956e938b0a5e96728dd941f73ab8f86c506259","block_sha256":"e839fed75c6e2d6ff24b423fc2956e938b0a5e96728dd941f73ab8f86c506259","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_6fa1e0eb-ee8f-429f-8aff-91436905741a"},{"id":"occ_8bcdf97ddc109c560ee69d55","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_a66eb79a-6d79-4464-8d74-762f18b757df","section_id":"sec_c9fa09a5-e069-465d-993b-6b2bfa707f12","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":137,"end":139,"exact":"帯域","quote":"合わせる方針を示している。公式仕様ではGroq 3 LPXラックは128GBのSRAM、40PB/sのメモリー帯域、640TB/sのラック内scale-up帯域を持つとされる。([NVIDIA](https://www.nvidia.com/en-us/data-center/vera-rubin-nvl72/)","quote_start":82,"quote_end":239,"text_sha256":"34996a4f23bb00603959acc4188e46115b948b9fa793d9c85a66414359728e1a","block_sha256":"34996a4f23bb00603959acc4188e46115b948b9fa793d9c85a66414359728e1a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_a66eb79a-6d79-4464-8d74-762f18b757df"},{"id":"occ_f066ce3441c7035228352d15","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_a6d96f37-031c-482e-b488-163e88ae4401","section_id":"sec_f8d89284-a6eb-4880-bfbe-75dbfe88fd2f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":20,"end":22,"exact":"帯域","quote":"この構造の中間へ、HBMに近い大容量・高帯域メモリーを追加できれば、Cerebrasの弱点は大幅に緩和される。","quote_start":0,"quote_end":55,"text_sha256":"2b62212fab92b313564f9e98805b3457a17968192d69ef4951b4586cf86ed08b","block_sha256":"2b62212fab92b313564f9e98805b3457a17968192d69ef4951b4586cf86ed08b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_a6d96f37-031c-482e-b488-163e88ae4401"},{"id":"occ_542151a9d4a0cf221408eb03","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_b1ff3d56-89a1-45f0-81ae-eef74559dd6c","section_id":"sec_f7e43701-dd90-4c7f-be8e-e0e9dfd4b793","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":6,"end":8,"exact":"帯域","quote":"- メモリー帯域\n- 通信遅延\n- 同期回数\n- KVキャッシュ管理\n- トークン間の待ち時間","quote_start":0,"quote_end":47,"text_sha256":"4bee708967659ec676fa2a9d90934e3c0373b0573dd261d826a5cf570d013939","block_sha256":"4bee708967659ec676fa2a9d90934e3c0373b0573dd261d826a5cf570d013939","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_b1ff3d56-89a1-45f0-81ae-eef74559dd6c"},{"id":"occ_040b9d52fc6d57b083a9a5d6","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_b42d8a90-f474-4c4e-a79f-47d2c9436b60","section_id":"sec_f8d89284-a6eb-4880-bfbe-75dbfe88fd2f","layer":"body","character_id":null,"count":2,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":109,"end":111,"exact":"帯域","quote":".2Tb/s、バイト換算で約150GB/sにとどまる。つまり、WSE内部から外部メモリーへ出た瞬間、利用可能な帯域が約14万分の1へ落ちる極端な「帯域の断崖」が存在する。([Cerebras](https://www.cerebras.ai/product-system))","quote_start":54,"quote_end":191,"text_sha256":"a873f4d32cfd62ecadc5a7e3cd23051af90b3dfece58d600b7f000ffa7c4e120","block_sha256":"a873f4d32cfd62ecadc5a7e3cd23051af90b3dfece58d600b7f000ffa7c4e120","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_b42d8a90-f474-4c4e-a79f-47d2c9436b60"},{"id":"occ_538b5bd688c3821e12aade4f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_c53d99b0-6d98-44b2-905a-d486b38711b4","section_id":"sec_02e4a9ca-aefd-467c-85c8-bb94bff16843","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":8,"end":10,"exact":"帯域","quote":"## 光I/Oの帯域を仮定した場合","quote_start":0,"quote_end":17,"text_sha256":"303f95500b4a70170cd5dc8f2a6cbc6996990de7664145336b467070542b5111","block_sha256":"303f95500b4a70170cd5dc8f2a6cbc6996990de7664145336b467070542b5111","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_c53d99b0-6d98-44b2-905a-d486b38711b4"},{"id":"occ_ae90499fa92c7981fbd91cc2","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_c8c88adb-2b1e-4b76-9d8a-d5f8ff1bee8f","section_id":"sec_6c0daefd-7a05-4226-b0a9-14420d8b1387","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":0,"end":2,"exact":"帯域","quote":"帯域を100％使用できると仮定し、重みだけを一度読み出す理論時間を計算すると、次のようになる。","quote_start":0,"quote_end":47,"text_sha256":"e780bc6f20a4cfb62d5b42997fd55a9b8249825f0855173749f6e50b03e06441","block_sha256":"e780bc6f20a4cfb62d5b42997fd55a9b8249825f0855173749f6e50b03e06441","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_c8c88adb-2b1e-4b76-9d8a-d5f8ff1bee8f"},{"id":"occ_536a8fd0c26cf9b9fd01eafa","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f487aa08-2568-42ad-85cb-11c258b5b71d","work_id":"wrk_a5567405-5ef5-4c25-abcd-63351a43cdfd","block_id":"blk_0d931e4b-34f8-4d51-8173-ad9b11e1f5e7","section_id":"sec_c35d93ba-c225-4661-a385-81d447be6f60","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":39,"end":41,"exact":"帯域","quote":"**MECエッジ層**  \nここはRAN近傍で推論を受け持つ層で、超低遅延・高帯域・無線状態の活用が効く。AI-RANの収益化ポイントはここで大きく、単なる回線販売ではなく、「必要なときに必要な品質でAIを動かせる接続」を売れるようになる。AI-RAN 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([ETSI](https://www.etsi.org/deliver/etsi_gr/MEC-DEC/001_099/063/04.0","quote_start":190,"quote_end":347,"text_sha256":"6fac1566af7a042eebd6d303358d44d70bc93404825a4d907ab507effba4d10f","block_sha256":"6fac1566af7a042eebd6d303358d44d70bc93404825a4d907ab507effba4d10f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f487aa08-2568-42ad-85cb-11c258b5b71d/#blk_185ae0e0-a894-4a80-88f0-8955815db837"},{"id":"occ_190705d4eae410598c6d56d5","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f487aa08-2568-42ad-85cb-11c258b5b71d","work_id":"wrk_a5567405-5ef5-4c25-abcd-63351a43cdfd","block_id":"blk_1f0c4818-87ae-409d-bedc-f913c21cba80","section_id":"sec_83b70f4d-6972-4317-bbaf-26ed386a251f","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":104,"end":106,"exact":"帯域","quote":"6年2月に **HBFの標準化開始** を発表し、Kioxiaは2025年8月に **5TB・64GB/sの高帯域フラッシュモジュール試作** を公表しました。つまりHBFは、**HBMとSSDの間を埋める次の容量層候補** ですが、2026年の売上貢献はまだ小さく、せいぜい **$0.1B–$0.5B（160億","quote_start":49,"quote_end":206,"text_sha256":"e7d2fbfc3624581dcb666e4b8c7877315804ad20bdaea27a974906fb6efffdb8","block_sha256":"e7d2fbfc3624581dcb666e4b8c7877315804ad20bdaea27a974906fb6efffdb8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f487aa08-2568-42ad-85cb-11c258b5b71d/#blk_1f0c4818-87ae-409d-bedc-f913c21cba80"},{"id":"occ_8b27ebd3747e2c0ad06731ff","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f487aa08-2568-42ad-85cb-11c258b5b71d","work_id":"wrk_a5567405-5ef5-4c25-abcd-63351a43cdfd","block_id":"blk_39812775-3c61-4692-8098-8f6e2dfaf297","section_id":"sec_15c379c2-27b8-4e1e-9897-795e5aef8b2b","layer":"body","character_id":null,"count":3,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":80,"end":82,"exact":"帯域","quote":"基地局はまず **無線の最後の1ホップ** です。ここは周波数帯と電波条件に強く左右されます。FCCは **低帯域は広いカバレッジ向き**、**中帯域はカバレッジと容量のバランス**、Nokiaは **ミリ波はより高容量だが届く距離が短く、時には1マイル未満で遮蔽物にも弱い** と説明しています。つまりスマホと基","quote_start":25,"quote_end":182,"text_sha256":"bc7eaaa01121a252d911fd1164a1f589c09773b3d6d84afbb3bd29a23f9d4e3c","block_sha256":"bc7eaaa01121a252d911fd1164a1f589c09773b3d6d84afbb3bd29a23f9d4e3c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f487aa08-2568-42ad-85cb-11c258b5b71d/#blk_39812775-3c61-4692-8098-8f6e2dfaf297"},{"id":"occ_0cd00aaa6f509df72698e8cd","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f487aa08-2568-42ad-85cb-11c258b5b71d","work_id":"wrk_a5567405-5ef5-4c25-abcd-63351a43cdfd","block_id":"blk_48ddfadf-6a01-4918-a583-df2506dc24cd","section_id":"sec_f908e7d3-5fb2-4a8b-932d-33f3b3584ecc","layer":"body","character_id":null,"count":2,"matched_aliases":["Bandwidth","帯域"],"evidence":{"text_basis":"markdown","start":16,"end":25,"exact":"Bandwidth","quote":"ここでのHBFは **High Bandwidth 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([Sandisk](https://www.san","quote_start":100,"quote_end":257,"text_sha256":"d4cbf32a942e23f404fb60d16760aceabf9a4942b0fdcf364006d914459280a2","block_sha256":"d4cbf32a942e23f404fb60d16760aceabf9a4942b0fdcf364006d914459280a2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f487aa08-2568-42ad-85cb-11c258b5b71d/#blk_83cabdef-6303-4205-a6f7-3afd5d970ad6"},{"id":"occ_3a135b82e7dcd6f4cebf3000","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f487aa08-2568-42ad-85cb-11c258b5b71d","work_id":"wrk_a5567405-5ef5-4c25-abcd-63351a43cdfd","block_id":"blk_bcb70b73-f287-4db0-b2a8-fb3c3111d740","section_id":"sec_83789c2e-c44b-48f4-91d6-753c24e14228","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":231,"end":240,"exact":"Bandwidth","quote":"arvel」は通常 **Marvell** 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([NVIDIA](https://www.nvidia.com/en-us/autonomous-machines/embedded-systems/jetson","quote_start":176,"quote_end":340,"text_sha256":"4a0143f7319cb404e704e1f7a595f2f0934d14bb803f0a4d4cf2998603522a78","block_sha256":"4a0143f7319cb404e704e1f7a595f2f0934d14bb803f0a4d4cf2998603522a78","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f487aa08-2568-42ad-85cb-11c258b5b71d/#blk_bcb70b73-f287-4db0-b2a8-fb3c3111d740"},{"id":"occ_c929a16404001aa9f682b9da","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f487aa08-2568-42ad-85cb-11c258b5b71d","work_id":"wrk_a5567405-5ef5-4c25-abcd-63351a43cdfd","block_id":"blk_d00f736f-1b1c-43f8-8b25-f04772a1a0ca","section_id":"sec_f908e7d3-5fb2-4a8b-932d-33f3b3584ecc","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":65,"end":67,"exact":"帯域","quote":"理解では 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が主題ですが、AI-RANでのデバイスとMECの関係は **“その無線の先にある計算まで、どれだけ短く安定してつなげるか”** 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HBM3E、153.6TB/s HBM bandwidthである。([Rebellions](https://jp.rebellions.ai/?utm_source=chatgpt.com))","quote_start":128,"quote_end":260,"text_sha256":"cf190b86b511a8916ec66a7bf922a67a6d1cfbdf60af6b643bbef1b4a6300aed","block_sha256":"cf190b86b511a8916ec66a7bf922a67a6d1cfbdf60af6b643bbef1b4a6300aed","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_26ce4131-8962-47b8-8b46-ade5a4df0e92"},{"id":"occ_31ec8f5ee19372acc2ac58bf","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_457a0d2e-f7c7-4755-af53-208113347136","section_id":"sec_3d91abf3-d2a4-4440-9ac7-c34c39f812da","layer":"body","character_id":null,"count":1,"matched_aliases":["data 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acceleratorあたり512MB SRAMと192TB/sのlocal bandwidthを持ちながら、さらに144GB HBM3Eを組み合わせる。","quote_start":9,"quote_end":102,"text_sha256":"9116c3f2135cf54fd55d786ba7f6283b88cfdf89b3a9336af6c2b45a741a7b3e","block_sha256":"9116c3f2135cf54fd55d786ba7f6283b88cfdf89b3a9336af6c2b45a741a7b3e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_711e6d72-4c90-471a-9e6d-1d91cf0e5e1f"},{"id":"occ_e1487092385230f38e1de29e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_7a512cad-2ee1-4928-8c6a-9b98bdc3fa87","section_id":"sec_b2544145-8b6e-4398-a498-1ca8d636014c","layer":"code","character_id":null,"count":1,"matched_aliases":["Data 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Compute\n```","quote_start":46,"quote_end":142,"text_sha256":"fff98906a081c29417e0617169f3ee1e3bdac45b840d26a71f04e4689f25ede4","block_sha256":"fff98906a081c29417e0617169f3ee1e3bdac45b840d26a71f04e4689f25ede4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_7a512cad-2ee1-4928-8c6a-9b98bdc3fa87"},{"id":"occ_70ce0a65175ee0563c7c805f","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_86571f32-43d3-4aa5-ac43-4f19fe54c715","section_id":"sec_8b3e02af-964c-430e-8319-6aee72f53092","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":12,"end":21,"exact":"bandwidth","quote":"公称effective 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bandwidth","quote_start":0,"quote_end":29,"text_sha256":"26430d934f192a5a99dfa20bda48f2da159851109e63a40da55110670fb638e4","block_sha256":"26430d934f192a5a99dfa20bda48f2da159851109e63a40da55110670fb638e4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_cb9ae0cd-cc2c-44cc-994f-6c0bdc84c977"},{"id":"occ_16f1d4c3dbaecf2844288d9e","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_e023893f-d4f7-494d-84fd-205530ab6abd","section_id":"sec_c5a663aa-4639-489e-ab2e-9188bcc795df","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":85,"end":94,"exact":"bandwidth","quote":"e Engineを使い、合計132GBのon-chip SRAMと129.6PB/sという巨大なMemory bandwidthを持つ。","quote_start":30,"quote_end":98,"text_sha256":"9ad6f14559ddb074920982a513e425010a7d046abc5e5bb7c9babfaf6470dc34","block_sha256":"9ad6f14559ddb074920982a513e425010a7d046abc5e5bb7c9babfaf6470dc34","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_e023893f-d4f7-494d-84fd-205530ab6abd"},{"id":"occ_50534935bec311da7c1254f8","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_e10c3be9-d7e3-4588-ba34-eedf5f9238f7","section_id":"sec_53a312b6-1f1e-4cd5-ac49-436b6583ab96","layer":"code","character_id":null,"count":17,"matched_aliases":["Bandwidth","Data 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Cost/bit\n\nという物理的違いを説明してください。\n\nまた","quote_start":2001,"quote_end":2165,"text_sha256":"d0317e48e4b1d07ef5f65318f00612f0383f8a1fc5a3cb0eff562f64288a732a","block_sha256":"d0317e48e4b1d07ef5f65318f00612f0383f8a1fc5a3cb0eff562f64288a732a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_e10c3be9-d7e3-4588-ba34-eedf5f9238f7"},{"id":"occ_ca82f45444a2cd20fbbfb380","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_e14a0cd0-abd2-4c4c-b4c1-e2aec1b81280","section_id":"sec_562ace66-e0c2-4539-83f7-9bae50bf3587","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":12,"end":21,"exact":"bandwidth","quote":"40PB/s SRAM bandwidth、","quote_start":0,"quote_end":22,"text_sha256":"a183fe7a6c2460b698633c583a96415f6aee12f405c2ce19715a27324530bce7","block_sha256":"a183fe7a6c2460b698633c583a96415f6aee12f405c2ce19715a27324530bce7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_e14a0cd0-abd2-4c4c-b4c1-e2aec1b81280"},{"id":"occ_ef80864637783d29ca1f9699","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_e433d187-85d5-4ae8-a99b-4ee590b50256","section_id":"sec_06b02735-aee1-4c54-a8aa-26255b34e988","layer":"body","character_id":null,"count":1,"matched_aliases":["data movement"],"evidence":{"text_basis":"markdown","start":13,"end":26,"exact":"data movement","quote":"## executionとdata movementをCompilerであらかじめscheduleする","quote_start":0,"quote_end":51,"text_sha256":"f4593926571765f6cc9367204a2028fba6e979cd5cf1c322cd28bdd24655a0c1","block_sha256":"f4593926571765f6cc9367204a2028fba6e979cd5cf1c322cd28bdd24655a0c1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_e433d187-85d5-4ae8-a99b-4ee590b50256"},{"id":"occ_913f1f18852c79c3b48c2f46","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_eb851997-5924-4aad-b8d4-9cbecc509aa9","section_id":"sec_4c70c2c3-b65a-46b6-87ce-5e64fcfc032c","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":4,"end":13,"exact":"bandwidth","quote":"HBM bandwidth。","quote_start":0,"quote_end":14,"text_sha256":"f4b5e401392cc253f723fb842fb842f0a769d4b87110e65770560ce7d3b100bb","block_sha256":"f4b5e401392cc253f723fb842fb842f0a769d4b87110e65770560ce7d3b100bb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_eb851997-5924-4aad-b8d4-9cbecc509aa9"},{"id":"occ_b39d53a03c0363515f64439b","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_eb95818e-d6b9-4b7b-995d-710a82e8a489","section_id":"sec_c5a663aa-4639-489e-ab2e-9188bcc795df","layer":"body","character_id":null,"count":1,"matched_aliases":["Data movement"],"evidence":{"text_basis":"markdown","start":22,"end":35,"exact":"Data movement","quote":"GroqはSRAMとCompilerによってData movementそのものをscheduleする。","quote_start":0,"quote_end":51,"text_sha256":"22da02bb653d4246095a388379b33ae215188b1356f03d871ac8dbe256d2f554","block_sha256":"22da02bb653d4246095a388379b33ae215188b1356f03d871ac8dbe256d2f554","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_eb95818e-d6b9-4b7b-995d-710a82e8a489"},{"id":"occ_e0cbd1d4efbb98862488ff54","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_ee6ff349-00b0-4328-85d7-24f632841fc1","section_id":"sec_81887361-b873-4648-a703-3952a05e6d66","layer":"body","character_id":null,"count":1,"matched_aliases":["bandwidth"],"evidence":{"text_basis":"markdown","start":13,"end":22,"exact":"bandwidth","quote":"192TB/s SRAM bandwidth、","quote_start":0,"quote_end":23,"text_sha256":"1f2ae96d6ce212be11935b9c92ca1001a68c0cc352090d943c092b618a3cfb00","block_sha256":"1f2ae96d6ce212be11935b9c92ca1001a68c0cc352090d943c092b618a3cfb00","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_ee6ff349-00b0-4328-85d7-24f632841fc1"},{"id":"occ_406efce2b847ccdec038da4c","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_f51c71e7-a9c2-4721-b703-7cf9a6134d08","section_id":"sec_ca0469e0-4b8a-4d72-b165-851fffe119ad","layer":"body","character_id":null,"count":1,"matched_aliases":["Bandwidth"],"evidence":{"text_basis":"markdown","start":16,"end":25,"exact":"Bandwidth","quote":"## Useful Local Bandwidth/mm²。","quote_start":0,"quote_end":30,"text_sha256":"a4628d8ca31a088336443d26379759162c3c91bfe4fc5aa6bc8b1075460c8ab8","block_sha256":"a4628d8ca31a088336443d26379759162c3c91bfe4fc5aa6bc8b1075460c8ab8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_f51c71e7-a9c2-4721-b703-7cf9a6134d08"},{"id":"occ_8617ea3d85bc1470dc7114d1","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f9e9defb-c22c-436c-840a-c351b48ea9bb","work_id":"wrk_dcad20c9-3f9f-415c-9103-db631318d520","block_id":"blk_0f67cc84-663c-4f9d-b66c-2354257c35db","section_id":"sec_75611efe-2deb-41d9-9d0a-207d391fa268","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":56,"end":58,"exact":"帯域","quote":"POの狙いは、**電気配線の距離を短くし、消費電力・信号劣化・発熱を減らすこと**です。Ansysも、CPOは帯域密度、通信遅延、銅配線の到達距離、電力効率の問題に対応するため、光と電子を近づけるアプローチだと説明しています。([ansys.com](https://www.ansys.com/blog/what","quote_start":1,"quote_end":158,"text_sha256":"917f30219db479360a1cd1db11f1d26458b6d00dad40400032439d0ae57e6ad6","block_sha256":"917f30219db479360a1cd1db11f1d26458b6d00dad40400032439d0ae57e6ad6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f9e9defb-c22c-436c-840a-c351b48ea9bb/#blk_0f67cc84-663c-4f9d-b66c-2354257c35db"},{"id":"occ_f8c8908db94cd4215a5b6dac","topic_id":"top_f9c6f5c1-8e3d-4c3d-91fd-7c503c39146e","revision_id":"rev_f9e9defb-c22c-436c-840a-c351b48ea9bb","work_id":"wrk_dcad20c9-3f9f-415c-9103-db631318d520","block_id":"blk_57531e89-15e0-4ef5-8955-18333e6a5f5d","section_id":"sec_4891b52f-00f1-44d2-9b65-6d05f4685127","layer":"body","character_id":null,"count":1,"matched_aliases":["帯域"],"evidence":{"text_basis":"markdown","start":38,"end":40,"exact":"帯域","quote":"Marvellも、AIインフラでは10mを超える距離では銅インターコネクトが帯域・到達距離の要求を満たしにくく、光DSPが400G、800G、1.6T光モジュールを支えると説明しています。([Marvell 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| 銅の損失が増え始める |\n| ラック間・列間 | 800G/1.6Tプラガブル | 距離・帯域・保守性のバランス |\n| 高密度スイッチASIC周辺 | CPO/NPO | 電力・密度・信号損失が限界に近い |\n| DCI/メトロ | コヒーレント光 | 長距離・高容量に向く 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