{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00218972","sets":["1164:2240:10902:10971"]},"path":["10971"],"owner":"44499","recid":"218972","title":["mpiQulacs: A64FXベースのクラスタシステムに最適化した量子コンピュータシミュレータの開発"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-07-20"},"_buckets":{"deposit":"4ddc774d-bcc1-4595-8b5c-fb7e2e975090"},"_deposit":{"id":"218972","pid":{"type":"depid","value":"218972","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"mpiQulacs: A64FXベースのクラスタシステムに最適化した量子コンピュータシミュレータの開発","author_link":["570536","570535","570537","570533","570532","570538","570534","570531"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"mpiQulacs: 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report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8841","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"古典コンピュータ上で動作する量子コンピュータシミュレータは，実際の量子コンピュータやその上で動作する新たな量子アプリケーションの開発に必要不可欠である．特に，全ての状態ベクトルをメモリ上に展開し各種ゲート処理を進めていく「状態ベクトル方式」の量子回路シミュレータは，任意のゲートを，任意の深さでシミュレーションを行う事が可能であるため，量子アプリケーションのデバッグや将来の量子コンピュータの検証に利用可能である．しかし，必要とするメモリ容量，演算量は量子ビット数に応じて指数関数的に増加するため，コンピュータ単体のリソースを容易に超えてしまう．そこで我々は，A64FX ベースのクラスタシステム上で大規模シミュレーションに最適化された並列分散処理に対応したシミュレータ mpiQulac sを開発し，64 ノードのクラスタシステム「等々力 (Todoroki)」を用いて最大 36 量子ビットまでのスケーラビリティを評価した．mpiQulacs は理想に近いスケーラビリティを発揮し，既存のシミュレータとの比較において，最高の性能であることを確認した．また，新しい指標 Quantum B/F ratio (QBF) を定義することで，「等々力」上で動作する mpiQulacs が，他の汎用 CPU ベースや GPU ベースのクラスタシステム上で動作するシミュレータよりも，分散状態ベクトルシミュレーションの要件に適していることを示した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"12","bibliographic_titles":[{"bibliographic_title":"研究報告ハイパフォーマンスコンピューティング（HPC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-07-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"34","bibliographicVolumeNumber":"2022-HPC-185"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":218972,"updated":"2025-01-19T14:58:07.995505+00:00","links":{},"created":"2025-01-19T01:19:18.797519+00:00"}