{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00176368","sets":["1164:2240:8543:9011"]},"path":["9011"],"owner":"11","recid":"176368","title":["大規模並列計算機における連立一次方程式の精度保証付き数値計算に対する性能評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-12-14"},"_buckets":{"deposit":"59ab2d51-49bd-4606-863b-1e2e475a4b0a"},"_deposit":{"id":"176368","pid":{"type":"depid","value":"176368","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"大規模並列計算機における連立一次方程式の精度保証付き数値計算に対する性能評価","author_link":["370939","370942","370943","370940","370941"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"大規模並列計算機における連立一次方程式の精度保証付き数値計算に対する性能評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"高精度計算","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2016-12-14","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"早稲田大学基幹理工学部応用数理学科"},{"subitem_text_value":"理化学研究所計算科学研究機構"},{"subitem_text_value":"北海道大学情報基盤センター"},{"subitem_text_value":"明星大学情報学部情報学科"},{"subitem_text_value":"早稲田大学基幹理工学部応用数理学科"}]},"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/176368/files/IPSJ-HPC16157001.pdf","label":"IPSJ-HPC16157001.pdf"},"date":[{"dateType":"Available","dateValue":"2018-12-14"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC16157001.pdf","filesize":[{"value":"1.0 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":"a34a9c40-c8d3-4f49-a1bb-091076ef7708","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":"森倉, 悠介"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"椋木, 大地"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"深谷, 猛"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山中, 脩也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大石, 進一"}],"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":"本研究では，大規模分散並列計算機における，係数行列を密とする連立一次方程式の精度保証付き数値計算の性能評価を行う．連立一次方程式の精度保証付き数値計算とは，近似解を求めることに加え，真の解と近似解との誤差上限を厳密に求める計算法である．連立一次方程式の精度保証付き数値計算に対して共有メモリ環境における実行時間の議論は多いが，大規模分散並列計算機上での実行時間と並列数の関係についての議論は多くない．そこで，本研究では，ScaLAPACK を利用して連立一次方程式に対する精度保証付き数値計算アルゴリズムを実装し，京コンピュータと FX100 上で実行時間を測定した．性能評価の結果，近似解を計算して，更にその誤差上限を精度保証付きで計算する場合の計算時間が，近似解の計算のみの場合の計算時間の 2 倍以下となることが明らかになった．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","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":"2016-12-14","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2016-HPC-157"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"updated":"2025-01-20T05:53:16.079927+00:00","created":"2025-01-19T00:46:01.213377+00:00","id":176368}