{"links":{},"id":239734,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00239734","sets":["1164:2240:11467:11720"]},"path":["11720"],"owner":"44499","recid":"239734","title":["WaitIO+MPI Hybridによる異種システム間でのAllreduceの高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-09-23"},"_buckets":{"deposit":"bf25fed9-52df-4eec-9bac-0cf4b1ccc115"},"_deposit":{"id":"239734","pid":{"type":"depid","value":"239734","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"WaitIO+MPI Hybridによる異種システム間でのAllreduceの高速化","author_link":["657253","657249","657254","657256","657251","657250","657252","657255"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"WaitIO+MPI Hybridによる異種システム間でのAllreduceの高速化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"スーパーコンピューティング環境","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-09-23","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"名古屋大学大学院情報学研究科"},{"subitem_text_value":"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／理化学研究所計算科学研究センター"},{"subitem_text_value":"名古屋大学情報基盤センター"},{"subitem_text_value":"九州大学情報基盤研究開発センター"},{"subitem_text_value":"名古屋大学情報基盤センター"},{"subitem_text_value":"名古屋大学情報基盤センター"},{"subitem_text_value":"名古屋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/239734/files/IPSJ-HPC24196005.pdf","label":"IPSJ-HPC24196005.pdf"},"date":[{"dateType":"Available","dateValue":"2026-09-23"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC24196005.pdf","filesize":[{"value":"1.3 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":"365bd4a7-d6d4-4871-ae0a-73e7bd15488f","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"植野, 貴大"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"住元, 真司"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中島, 研吾"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"片桐, 孝洋"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大島, 聡史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"星野, 哲也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"河合, 直聡"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"永井, 亨"}],"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，異種ワークロードを統合するためのヘテロジニアスシステムの活用が重要となっている．ヘテロジニアスシステム間での効率的な通信を実現するため，東京大学情報基盤センターは，異種システム間での通信をサポートする h3-Open-SYS/WaitIO を開発している．WaitIO には，既存の MPI プログラムからの移行を容易にするため，MPI-like なインターフェースとともに，WaitIO を用いた集団通信の実装が提供されている．しかし，WaitIO の集団通信はヘテロジニアスシステムを意識した実装になっておらず，通信性能に階層性があるシステムにおいては，通信性能の低いシステムがボトルネックとなる可能性がある．そこで本研究では，集団通信の中でも使用頻度が高い Allreduce に焦点を当て，WaitIO と MPI を組み合わせた階層型 Allreduce アルゴリズムの提案および性能評価を行った．名古屋大学のスーパーコンピュータ「不老」における評価から，WaitIO 単独の Allreduce 実装に比べて最大 27.7 倍の高速化を達成した．","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":"2024-09-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"5","bibliographicVolumeNumber":"2024-HPC-196"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:43:32.586970+00:00","updated":"2025-01-19T08:11:22.345750+00:00"}