{"updated":"2025-01-20T12:52:52.806957+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00144571","sets":["1164:1579:7841:8311"]},"path":["8311"],"owner":"11","recid":"144571","title":["マルチコアプロセッサのためのスレッド間共有データを考慮したキャッシュ機構"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-07-28"},"_buckets":{"deposit":"2255721a-c513-4e35-81c3-2141954cd1cc"},"_deposit":{"id":"144571","pid":{"type":"depid","value":"144571","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"マルチコアプロセッサのためのスレッド間共有データを考慮したキャッシュ機構","author_link":["219100","219101","219098","219099"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"マルチコアプロセッサのためのスレッド間共有データを考慮したキャッシュ機構"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"キャッシュ/TLB","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2015-07-28","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東北大学大学院情報科学研究科"},{"subitem_text_value":"東北大学サイバーサイエンスセンター"},{"subitem_text_value":"東北大学サイバーサイエンスセンター"},{"subitem_text_value":"東北大学サイバーサイエンスセンター"}]},"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/144571/files/IPSJ-ARC15216038.pdf","label":"IPSJ-ARC15216038.pdf"},"date":[{"dateType":"Available","dateValue":"2017-07-28"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ARC15216038.pdf","filesize":[{"value":"389.2 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":"16"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"9ab16945-34d1-4c89-836a-d7633e4f6232","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"西村, 秦"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佐藤, 雅之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"江川, 隆輔"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小林, 広明"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10096105","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":"2188-8574","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"マルチコアプロセッサでは,ラストレベルキャッシュ (LLC) を複数のコアで共有している.このため,LLC 上には複数のスレッドで共有しているデータ (共有データ) が存在する.複数のスレッドからアクセスされる共有データは,単一のスレッドからしかアクセスされないデータ (私有データ) に比べ再利用性が高い.しかし,共有データと私有データの区別を行わないデータ管理では,私有データによる過剰なキャッシュ占有のため,共有データを十分に保存できずヒット率の低下を招く.そこで,本研究では,並列プログラムの実効性能向上を目的とし,複数のスレッドに共有されるデータとそれ以外のデータを LLC 上で個別に管理するキャッシュ機構を提案する.提案手法は,LLC 上のデータを共有データと私有データに分けて管理することで,再利用性の高い共有データを優先的に LLC に保持する.これにより,共有データのヒット率が向上し,並列プログラムの実効性能向上が期待できる.シミュレーションによる評価結果から,提案手法は,LRU 置換ポリシに基づくキャッシュ機構と比較して最大 1.70 倍,平均 1.13 倍の性能向上を可能にすることが明らかとなった.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告システム・アーキテクチャ(ARC)"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2015-07-28","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"38","bibliographicVolumeNumber":"2015-ARC-216"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:20:20.309389+00:00","id":144571,"links":{}}