{"created":"2025-01-19T00:56:37.167146+00:00","updated":"2025-01-20T01:06:46.199832+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00190664","sets":["1164:2240:9411:9526"]},"path":["9526"],"owner":"11","recid":"190664","title":["論理タイムスタンプに基づく分散共有メモリライブラリの実装"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-07-23"},"_buckets":{"deposit":"75e667aa-cd16-4e91-83cc-cb2a0f016505"},"_deposit":{"id":"190664","pid":{"type":"depid","value":"190664","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"論理タイムスタンプに基づく分散共有メモリライブラリの実装","author_link":["436968","436969","436971","436970"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"論理タイムスタンプに基づく分散共有メモリライブラリの実装"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"プロセス間通信と分散共有","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2018-07-23","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学大学院情報理工学系研究科"},{"subitem_text_value":"東京大学大学院情報理工学系研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Information Science and Technology, The University of Tokyo","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Information Science and Technology, The University of Tokyo","subitem_text_language":"en"}]},"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/190664/files/IPSJ-HPC18165023.pdf","label":"IPSJ-HPC18165023.pdf"},"date":[{"dateType":"Available","dateValue":"2020-07-23"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC18165023.pdf","filesize":[{"value":"437.3 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":"0f3bf8bc-1321-413e-8633-261eb9096d30","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":"遠藤, 亘"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"田浦, 健次朗"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Wataru, Endo","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kenjiro, Taura","creatorNameLang":"en"}],"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":"共有メモリ処理系で一般的に用いられるディレクトリベースコヒーレンスは,データ書き込み時のキャッシュ無効化メッセージの送信数増大が問題とされてきた.近年では,ディレクトリを用いないキャッシュ無効化手法として,論理タイムスタンプに基づく手法が提案されているが,不要なキャッシュミス回数が増大する欠点がある.そこで本稿では,論理タイムスタンプに基づく手法と,分散共有メモリ (DSM) で一般的な Write notice に基づく手法を併用した新たなキャッシュ無効化手法を提案し,DSM ライブラリとして分散メモリ型計算機用に実装して,その有用性を検証する.提案するライブラリは,データ書き込み時のノード間通信削減を目的として,Probable owner と呼ばれる手法でホームノードの自動的な再配置を行う特徴も有する.API としては OpenMP を用いており,通常の OpenMP プログラムを原則的に無変更で動作させるため,コールスタックを DSM で管理する手法も導入している.評価では共有メモリ用ベンチマークプログラムを用いて性能を比較し,現状の課題を整理する.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"11","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":"2018-07-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"23","bibliographicVolumeNumber":"2018-HPC-165"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"id":190664,"links":{}}