{"created":"2025-01-19T00:44:21.451332+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00174124","sets":["1164:2240:8543:8882"]},"path":["8882"],"owner":"11","recid":"174124","title":["仮想マシンエミュレータを用いた特定故障パターン発生時におけるアプリケーションの誤差の評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-08-01"},"_buckets":{"deposit":"e53d838e-7641-42ec-be37-2491619db9a0"},"_deposit":{"id":"174124","pid":{"type":"depid","value":"174124","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"仮想マシンエミュレータを用いた特定故障パターン発生時におけるアプリケーションの誤差の評価","author_link":["356203","356200","356201","356202"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"仮想マシンエミュレータを用いた特定故障パターン発生時におけるアプリケーションの誤差の評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"耐故障システム","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2016-08-01","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京工業大学"},{"subitem_text_value":"東京工業大学"},{"subitem_text_value":"東京工業大学"},{"subitem_text_value":"東京工業大学"}]},"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/174124/files/IPSJ-HPC16155010.pdf","label":"IPSJ-HPC16155010.pdf"},"date":[{"dateType":"Available","dateValue":"2018-08-01"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC16155010.pdf","filesize":[{"value":"641.2 kB"}],"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":"2a73c687-c908-40c7-a20f-d22157cbfe5e","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":"小林, 佑矢"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"實本, 英之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"野村, 哲弘"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"松岡, 聡"}],"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":"高性能計算機の規模は年々大きくなっている．大規模化に伴う故障率の増加により，Silent Data Corruption (SDC) と呼ばれる問題が深刻になると予想されている．SDC はアプリケーションが異常な結果を出力するが，停止には至らないため計算結果の誤りを検知できない障害である．SDC に対処するため多くの研究が行われたが，計算機の変化とともに故障の種類や発生傾向も変化しており，新たな耐故障手法が求められている．本研究は連続したメモリデータの破壊または複数のビットエラーが DRAM 上に発生した際に，NAS Parallel Benchmark の CG カーネルに現れる SDC の調査を目的とする．またそのために，DRAM に特定の故障パターンを注入する故障発生器を，仮想マシンエミュレータである QEMU を拡張して作成した．これにより，SDC が発生しうること，アプリケーションの特性により SDC の発生割合が約 5%減少することを確認した．また連続したデータ破壊が発生したとき，アプリケーションは約 80%の割合で正常な結果を返すが，同じビット数のビットエラーを注入した際には約 90%の割合で異常終了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":"2016-08-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"10","bibliographicVolumeNumber":"2016-HPC-155"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"id":174124,"updated":"2025-01-20T07:00:54.032746+00:00","links":{}}