{"created":"2025-01-19T00:20:19.157864+00:00","updated":"2025-01-20T12:53:31.951075+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00144549","sets":["1164:1579:7841:8311"]},"path":["8311"],"owner":"11","recid":"144549","title":["ランダムバッファの発行キューにより生じる性能低下の抑制"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-07-28"},"_buckets":{"deposit":"0a4a168d-574e-4cd2-8ff7-031f42c6ae03"},"_deposit":{"id":"144549","pid":{"type":"depid","value":"144549","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"ランダムバッファの発行キューにより生じる性能低下の抑制","author_link":["218960","218961","218959"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ランダムバッファの発行キューにより生じる性能低下の抑制"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"マイクロアーキテクチャ","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":"名古屋大学大学院工学研究科"},{"subitem_text_value":"名古屋大学大学院工学研究科"},{"subitem_text_value":"名古屋大学大学院工学研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Engineering, Nagoya University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Engineering, Nagoya University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Engineering, Nagoya University","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/144549/files/IPSJ-ARC15216016.pdf","label":"IPSJ-ARC15216016.pdf"},"date":[{"dateType":"Available","dateValue":"2017-07-28"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ARC15216016.pdf","filesize":[{"value":"775.4 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":"efaec6b9-35d8-47c3-8c29-cb7234db8faa","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":"酒井, 信二"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"塩谷, 亮太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"安藤, 秀樹"}],"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":"発行キューはプロセッサの構成要素の中でも性能に大きな影響を与えるものの 1 つである．発行キューの代表的な構成方法として，シフトキューとサーキュラキューの2つがある．2 つのキューは共通して命令をプログラム順に保持する．しかし，シフトキューには電力消費が大きい，サーキュラキューには容量の無駄があるという欠点がある．これらとは違い，プログラム順に命令を格納しないランダムキューがある．ランダムキューは空きエントリに命令を挿入していくので，キューの容量は無駄にならない．しかし，命令がプログラム順に並ばないため，古い命令に高い優先度を与えることができず，プロセッサの性能が低下する．ランダムキューによる性能低下を解決するために，ランダムキューをメインキュー （MQ:main queue） とオールドキュー （OQ:old queue） と呼ぶ 2 つのキューに分割して発行を行う手法を提案する．フロントエンドからは，MQ にのみ命令を挿入し，OQ へは MQ の最も古い数命令を移動させる．2 つのキューで選択論理を共有し，OQ の命令を MQ の命令よりも優先して発行することで，データフローのクリティカルパス上にある命令に高い優先度を与え，プロセッサの性能低下を抑制する．SPECCPU2006 を用い評価した結果，ランダムキューの IPC は，シフトキューに対して幾何平均で 8.47%，最大で 21.57%低下していたが，提案手法を適用することでそれぞれ 1.41%，4.01%まで IPC 低下を削減できた．","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":"16","bibliographicVolumeNumber":"2015-ARC-216"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"id":144549,"links":{}}