{"updated":"2025-01-20T18:29:36.836755+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00145103","sets":["1164:2240:7894:8332"]},"path":["8332"],"owner":"11","recid":"145103","title":["OpenFOAMによる流体コードのHybrid並列化の評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-09-23"},"_buckets":{"deposit":"cf6193b2-405f-49ca-99ff-2fa791d03f73"},"_deposit":{"id":"145103","pid":{"type":"depid","value":"145103","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"OpenFOAMによる流体コードのHybrid並列化の評価","author_link":["222150","222148","222152","222156","222155","222153","222149","222147","222154","222151"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"OpenFOAMによる流体コードのHybrid並列化の評価"},{"subitem_title":"Evaluation of Hybrid Parallelization of a CFD Code based on OpenFOAM","subitem_title_language":"en"}]},"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":"2015-09-23","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"清水建設株式会社"},{"subitem_text_value":"清水建設株式会社"},{"subitem_text_value":"富士通株式会社"},{"subitem_text_value":"一般財団法人高度情報科学技術研究機構"},{"subitem_text_value":"一般財団法人高度情報科学技術研究機構"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"SHIMIZU Corporation","subitem_text_language":"en"},{"subitem_text_value":"SHIMIZU Corporation","subitem_text_language":"en"},{"subitem_text_value":"Fujitsu Ltd.","subitem_text_language":"en"},{"subitem_text_value":"Research Organization for Information Science and Technology","subitem_text_language":"en"},{"subitem_text_value":"Research Organization for Information Science and 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/145103/files/IPSJ-HPC15151020.pdf","label":"IPSJ-HPC15151020.pdf"},"date":[{"dateType":"Available","dateValue":"2017-09-23"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC15151020.pdf","filesize":[{"value":"608.2 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":"63892075-dc43-41eb-bffc-c72327c860d9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"内山, 学"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"ファム, バン フック"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"千葉, 修一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"井上, 義昭"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"浅見, 暁"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Manabu, Uchiyama","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Pham, Van Phuc","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Shuichi, Chiba","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Yoshiaki, Inoue","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Akira, Azami","creatorNameLang":"en"}],"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":"本報告は流体コード OpenFOAM を基にして，MPI 並列と Thread 並列を用いた Hybrid 並列の検討を行う．OpenFOAM は Thread 並列には対応していないため，CG 法と BiCG 法を対象に Thread 並列化を可能とする行列のオーダリング方法を示すとともに，計算効率を向上させる行列の格納方法を示す．更に，全体通信回数の少ないアルゴリズムを採用し，そのアルゴリズムの特徴を生かして行列演算の効率化を行う．CG 法と BiCG 法以外の部分に対しても Thread 並列化の方法を示し，最後に，Hybrid 並列コードと MPI 並列コード，元コードを 「京」 コンピュータ上で比較する．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"This paper describes hybrid parallelization of OpenFOAM which is an open source CFD code. To parallelize CG and BiCG method in OpenFOAM by using threads, cell numbers are reordered and matrices are stored in special forms. Algorithms that have less synchronization points than those of the ordinary algorithms are used and ILU(0) preconditioning and matrix-by-vector multiplication are reconstructed and improved. Parallelizing other parts is also described. The hybrid parallelized code, the new code but flat MPI and the original code are run on K computer and their performance is shown.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","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":"2015-09-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"20","bibliographicVolumeNumber":"2015-HPC-151"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:20:47.040530+00:00","id":145103,"links":{}}