{"created":"2025-01-19T01:17:59.406395+00:00","updated":"2025-01-19T15:28:30.864230+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00217499","sets":["1164:2240:10902:10903"]},"path":["10903"],"owner":"44499","recid":"217499","title":["余剰コアを活用したOpenMP TaskによるIn-situ解析の実現"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-03-10"},"_buckets":{"deposit":"56afd5ab-dcf8-4544-9881-e3bd906673e8"},"_deposit":{"id":"217499","pid":{"type":"depid","value":"217499","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"余剰コアを活用したOpenMP TaskによるIn-situ解析の実現","author_link":["563667","563669","563668"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"余剰コアを活用したOpenMP TaskによるIn-situ解析の実現"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"並列処理 ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-03-10","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学工学系研究科"},{"subitem_text_value":"東京大学工学系研究科／東京大学情報基盤センター"},{"subitem_text_value":"東京大学情報基盤センター"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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/217499/files/IPSJ-HPC22183021.pdf","label":"IPSJ-HPC22183021.pdf"},"date":[{"dateType":"Available","dateValue":"2024-03-10"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC22183021.pdf","filesize":[{"value":"1.9 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"14"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"d4c3c46a-029c-423f-81b1-39e651809efe","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"赤沢, 龍哉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"塙, 敏博"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"三木, 洋平"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10463942","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical 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":"近年，CPU 性能向上にはコア数の増加のみが寄与しており，HPC システムではメニーコア CPU が広く用いられている．しかし CPU 内全てのコアを使うのではなく，意図的にコアを余らせた方が高い実効性能を得られる場合も多い．そこで，主計算の性能向上に寄与しない「余剰コア」を副次的な処理に活用するフレームワーク UTHelper の実現を目指している．本研究では，主計算を補うプリポスト処理を効率よく実現する手法として，OpenMP task 構文を用いる方法を提案する．主計算と解析が逐次処理で行われていた宇宙物理の N 体計算コード GOTHIC に対して本手法を適用し，簡便な修正で主計算と解析をオーバラップして実行することで，シミュレーション全体の実行時間が 54% 程まで短縮された．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"10","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":"2022-03-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"21","bibliographicVolumeNumber":"2022-HPC-183"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":217499,"links":{}}