{"id":182862,"updated":"2025-01-20T03:55:00.142597+00:00","links":{},"created":"2025-01-19T00:50:25.975346+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00182862","sets":["1164:1867:9088:9218"]},"path":["9218"],"owner":"11","recid":"182862","title":["オンチップアクセラレータを用いたパイプライン並列処理のためのOS支援機構の検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-07-19"},"_buckets":{"deposit":"2b70794a-de02-4085-84b1-7cdeec012cf3"},"_deposit":{"id":"182862","pid":{"type":"depid","value":"182862","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"オンチップアクセラレータを用いたパイプライン並列処理のためのOS支援機構の検討","author_link":["399519","399518","399517"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"オンチップアクセラレータを用いたパイプライン並列処理のためのOS支援機構の検討"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"高速デバイス管理","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2017-07-19","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京農工大学"},{"subitem_text_value":"東京大学"},{"subitem_text_value":"東京農工大学"}]},"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/182862/files/IPSJ-OS17141021.pdf","label":"IPSJ-OS17141021.pdf"},"date":[{"dateType":"Available","dateValue":"2019-07-19"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-OS17141021.pdf","filesize":[{"value":"478.4 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":"11"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"c0fbbfcd-4b95-43c4-b599-7bd73630ca3c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2017 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"小柴, 篤史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"坂本, 龍一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"並木, 美太郎"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10444176","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":"2188-8795","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"オンチップアクセラレータを用いたパイプライン並列処理は，チップ間のデータ転送とタスク実行をオーバラップすることでアクセラレータの演算性能を活用できる．しかしアクセラレータや DMA  の実行制御，同期制御を頻繁に行う必要があるため，従来のデバイスドライバを介したアクセラレータ制御ではユーザ / カーネル空間のコンテキストスイッチに起因するオーバヘッドを招き，処理性能が低減する課題がある．そこで本研究では新たな OS の資源管理手法として，パイプライン並列処理向けのアクセラレータの制御機構を提案する．提案手法は，本来ユーザプロセスが行う煩雑なハードウェア制御をカーネルプロセスが代行する．これによりユーザ / カーネルプロセス間の通信を抑制し，制御オーバヘッドを削減する．本研究ではその初期検討として提案する OS 機構を Linux に実装し，ヘテロジニアスマルチコアプロセッサのプロトタイプを用いて評価した．アルファブレンダのパイプライン並列プログラムに提案機構を適用した結果，提案機構はデバイスドライバを用いる場合と比較してソフトウェアの制御オーバヘッドを 86.2% 削減し，プログラムの実行速度を 1.66 倍高速化することを明らかにした．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告システムソフトウェアとオペレーティング・システム（OS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2017-07-19","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"21","bibliographicVolumeNumber":"2017-OS-141"}]},"relation_version_is_last":true,"weko_creator_id":"11"}}