{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00191417","sets":["1164:2240:9411:9561"]},"path":["9561"],"owner":"11","recid":"191417","title":["Level-3 BLASに基づく高精度行列積計算法による高精度かつ再現性のあるBLASルーチンの実装とその最適化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-09-20"},"_buckets":{"deposit":"2be25ce0-a5e7-4945-9008-43d2ca9b992f"},"_deposit":{"id":"191417","pid":{"type":"depid","value":"191417","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"Level-3 BLASに基づく高精度行列積計算法による高精度かつ再現性のあるBLASルーチンの実装とその最適化","author_link":["441479","441478","441480"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Level-3 BLASに基づく高精度行列積計算法による高精度かつ再現性のあるBLASルーチンの実装とその最適化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"数値計算","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2018-09-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京女子大学現代教養学部"},{"subitem_text_value":"東京女子大学理学研究科"},{"subitem_text_value":"芝浦工業大学システム理工学部"}]},"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/191417/files/IPSJ-HPC18166009.pdf","label":"IPSJ-HPC18166009.pdf"},"date":[{"dateType":"Available","dateValue":"2020-09-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC18166009.pdf","filesize":[{"value":"1.1 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":"060612bf-1d18-4a96-ae80-644e4240e194","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2018 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"椋木, 大地"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"荻田, 武史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"尾崎, 克久"}],"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":"浮動小数点演算による丸め誤差は，計算結果の正しさ （accuracy） と再現性 （reproducibility） に影響を与え，数値計算の信頼性を失わせる原因となりうる．そのため高精度かつ再現可能な演算をサポートした数値計算ライブラリの実現が求められている．本研究では基本線形代数演算を提供する Basic Linear Algebra Subprograms （BLAS） の内積 （DOT），行列ベクトル積 （GEMV），行列積ルーチン （GEMM） を，尾崎らが提案した level-3 BLAS に基づく高精度行列積計算法 （尾崎スキーム） によって高精度かつ再現可能にする際の高性能実装手法を検討した．省メモリ化と高速化のためのいくつかの既提案手法に加え，本稿ではメモリ律速な DOT ・ GEMV を高速化するための新手法を検討し，NVIDIA GPU において実装を行った．Volta アーキテクチャの Titan V における性能評価では，最適化手法を適用した実装が期待される理論性能の 8 割程度を達成できることを確認した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","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":"2018-09-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicVolumeNumber":"2018-HPC-166"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"updated":"2025-01-20T00:41:29.243788+00:00","created":"2025-01-19T00:57:18.367846+00:00","id":191417}