{"id":194793,"updated":"2025-01-19T23:20:39.460289+00:00","links":{},"created":"2025-01-19T00:59:49.469722+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00194793","sets":["1164:2240:9748:9749"]},"path":["9749"],"owner":"44499","recid":"194793","title":["ノードローカルバーストバッファのためのMPI-IOの設計"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-02-26"},"_buckets":{"deposit":"b7e1e543-ea51-40c9-a3c0-32b7d6d4e2a0"},"_deposit":{"id":"194793","pid":{"type":"depid","value":"194793","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"ノードローカルバーストバッファのためのMPI-IOの設計","author_link":["461931","461932"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ノードローカルバーストバッファのためのMPI-IOの設計"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ファイルシステム","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2019-02-26","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"筑波大学情報学群情報科学類"},{"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/194793/files/IPSJ-HPC19168022.pdf","label":"IPSJ-HPC19168022.pdf"},"date":[{"dateType":"Available","dateValue":"2021-02-26"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC19168022.pdf","filesize":[{"value":"1.5 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":"bba353d8-1cc8-4b44-92be-ea24a810e2ad","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2019 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"杉原, 航平"}],"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":"HPC アプリケーションの IO アクセスを改善し，計算ジョブの実行効率を高める手法としてバーストバッファがある．バーストバッファはアプリケーションとファイルシステムの間に高速なバッファとして介在し，アプリケーションに代わって IO を行う．近年では NVMe SSD などの高速かつ平均故障間隔 (MTBF) が改善されたストレージの登場に伴い，計算ノードにもローカルストレージが導入されるようになった．バーストバッファにノードローカルストレージを取り入れて IO 性能を高める手法はこれまでにも提案されてきたが，本研究では，計算ノード上にローカルストレージをスプール領域とした Gfarm ファイルシステムを構築した上で，スケーラビリティを維持しながら IO 性能を向上するための並列 IO やそのインタフェースについて設計を行う．実験の結果，ノード数の増加に伴って IO 性能は線形にスケールすることを確認した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"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":"2019-02-26","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"22","bibliographicVolumeNumber":"2019-HPC-168"}]},"relation_version_is_last":true,"weko_creator_id":"44499"}}