{"updated":"2025-01-20T16:43:15.910662+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00149675","sets":["1164:2240:8543:8544"]},"path":["8544"],"owner":"11","recid":"149675","title":["圧縮性流体解析プログラムのOpenACCによる高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-02-23"},"_buckets":{"deposit":"b1003dde-56bd-4602-a7b7-820a4ec2a618"},"_deposit":{"id":"149675","pid":{"type":"depid","value":"149675","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"圧縮性流体解析プログラムのOpenACCによる高速化","author_link":["248248","248249"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"圧縮性流体解析プログラムのOpenACCによる高速化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"疎行列計算","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2016-02-23","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学／東京工業大学"},{"subitem_text_value":"東京工業大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"University Tokyo / Tokyo Institute of Technology","subitem_text_language":"en"},{"subitem_text_value":"Tokyo Institute of Technology","subitem_text_language":"en"}]},"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/149675/files/IPSJ-HPC16153004.pdf","label":"IPSJ-HPC16153004.pdf"},"date":[{"dateType":"Available","dateValue":"2018-02-23"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC16153004.pdf","filesize":[{"value":"863.0 kB"}],"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":"a0a737f7-b17a-4dda-a3b2-4cc0b685fa5e","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2016 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"星野, 哲也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"松岡, 聡"}],"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":"航空機の開発などに用いられる圧縮性流体解析アプリケーションには多大な演算パワーが必要とされ，近年一般的になっている演算アクセラレータを用いたスーパーコンピュータの利用が推進されている．しかし一般に，既存のアプリケーションのアクセラレータ向けの移植・最適化には多大なコストが伴うことが知られている．本稿では，実際に用いられている圧縮性流体アプリケーション UPACS へ OpenACC を適用・最適化することでその移植コストを調査し，OpenMP による移植との性能比較評価を行った．その結果，PGI コンパイラを用いた場合においては，基準となる変更なしの UPACS から 9.5 倍，OpenMP により並列化し 6CPU コアで実行した場合と比較して 15%の性能向上を得た．またさらなる高速化に向けて，ボトルネック部分の最適化の検討，CUDA Fortran の適用に向けた予備評価を行った結果を報告する．","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":"2016-02-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"2016-HPC-153"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:24:31.592090+00:00","id":149675,"links":{}}