{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00235628","sets":["6504:11678:11698"]},"path":["11698"],"owner":"44499","recid":"235628","title":["OpenACCを用いた地震シミュレーションのGPU並列化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-03-01"},"_buckets":{"deposit":"54260a89-d57d-4e97-9906-4fc8f7cff3f8"},"_deposit":{"id":"235628","pid":{"type":"depid","value":"235628","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"OpenACCを用いた地震シミュレーションのGPU並列化","author_link":["643915","643912","643909","643910","643911","643913","643914","643908"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"OpenACCを用いた地震シミュレーションのGPU並列化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"コンピュータシステム","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2024-03-01","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"名大"},{"subitem_text_value":"名大"},{"subitem_text_value":"スタンフォード大"},{"subitem_text_value":"海洋研究開発機構"},{"subitem_text_value":"東大"},{"subitem_text_value":"名大"},{"subitem_text_value":"名大"},{"subitem_text_value":"名大"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/235628/files/IPSJ-Z86-1J-08.pdf","label":"IPSJ-Z86-1J-08.pdf"},"date":[{"dateType":"Available","dateValue":"2024-07-03"}],"format":"application/pdf","filename":"IPSJ-Z86-1J-08.pdf","filesize":[{"value":"446.5 kB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"3d3f7c6e-da6c-4a68-bf5d-16a12ffacdf9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"百武, 尚輝"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"星野, 哲也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小澤, 創"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"伊田, 明弘"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"安藤, 亮輔"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"河合, 直聡"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"永井, 亨"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"片桐, 孝洋"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"境界要素法（BEM）を用いた地震シミュレーションにおいて、大規模な密行列・ベクトル積が現れるため、シミュレーションを高速化するには、この演算を高速で行うことが必要である。従来のアプリケーションでは、密行列を格子H行列に近似した上で、OpenMPとMPIによるCPUを用いた並列化により、密行列・ベクトル積の高速化が行われていた。しかし、並列計算に適したGPUを用いた並列計算は実装されておらず、格子H行列・ベクトル積の高速化の余地が存在している。そこで、本研究では、対象のアプリケーションに対し、OpenACCを用いたGPU並列化による格子H行列・ベクトル積を実装し、その性能の評価を行った。","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"34","bibliographic_titles":[{"bibliographic_title":"第86回全国大会講演論文集"}],"bibliographicPageStart":"33","bibliographicIssueDates":{"bibliographicIssueDate":"2024-03-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2024"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":235628,"updated":"2025-01-19T09:35:04.274217+00:00","links":{},"created":"2025-01-19T01:37:12.619415+00:00"}