{"created":"2025-01-19T01:34:26.593104+00:00","updated":"2025-01-19T10:11:24.112809+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00233163","sets":["1164:2240:11467:11522"]},"path":["11522"],"owner":"44499","recid":"233163","title":["PMEMBB: 不揮発性メモリとMPI片側通信を用いたMPI-IOバーストバッファの設計"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-03-11"},"_buckets":{"deposit":"3bf9636a-b3a9-4f4f-a093-2ceadd64c5b6"},"_deposit":{"id":"233163","pid":{"type":"depid","value":"233163","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"PMEMBB: 不揮発性メモリとMPI片側通信を用いたMPI-IOバーストバッファの設計","author_link":["632765","632764"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"PMEMBB: 不揮発性メモリとMPI片側通信を用いたMPI-IOバーストバッファの設計"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"I/O","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-03-11","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"筑波大学計算科学研究センター"},{"subitem_text_value":"筑波大学計算科学研究センター"}]},"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/233163/files/IPSJ-HPC24193021.pdf","label":"IPSJ-HPC24193021.pdf"},"date":[{"dateType":"Available","dateValue":"2026-03-11"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC24193021.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":"521aecfc-b327-4313-8b93-2e2e76435e79","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":"平賀, 弘平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"建部, 修見"}],"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":"高性能並列計算の共有ファイルシステムへの I/O において，一般的に行われている単一共有ファイルへの並列 I/O は，作成されるファイル数が少なくなるため扱いやすく，共有ファイルシステムのメタデータ処理の負荷を下げるメリットがある．しかしデータ書き込み時にストレージシステム上で I/O 競合が発生しやすくなるため，I/O スループットが出しづらいというデメリットがあった．この問題を解決するため，計算ノード上にある不揮発性メモリを活用したバーストバッファシステムを設計する．不揮発性メモリのデバイス特性を活かすために，可変長ブロックの追記ログ方式のストレージ管理を行う．また計算ノードのリソース消費を削減するために，MPI の片側通信を利用した RDMA Read を行い，通信をハードウェアにオフロードする．本システムは OpenMPI ランタイム内に実装を行っており，ユーザーは MPI-IO を通じて透過的に利用できる．不揮発性メモリを搭載しているスーパーコンピュータ Pegasus において提案システムを評価し，スケーラブルな単一共有ファイルへの読み書き性能を示した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"14","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":"2024-03-11","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"21","bibliographicVolumeNumber":"2024-HPC-193"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":233163,"links":{}}