{"updated":"2025-01-20T03:55:01.926891+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00182863","sets":["1164:1867:9088:9218"]},"path":["9218"],"owner":"11","recid":"182863","title":["CPU処理とI/O処理の高速性を両立するI/O制御機構"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-07-19"},"_buckets":{"deposit":"4e5eaa5f-8b11-42b2-ad9e-f00a2a59a1c5"},"_deposit":{"id":"182863","pid":{"type":"depid","value":"182863","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"CPU処理とI/O処理の高速性を両立するI/O制御機構","author_link":["399520","399522","399523","399521"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"CPU処理とI/O処理の高速性を両立するI/O制御機構"}]},"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":"株式会社富士通研究所"},{"subitem_text_value":"株式会社富士通研究所"},{"subitem_text_value":"株式会社富士通研究所"},{"subitem_text_value":"株式会社富士通研究所"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Fujitsu Laboratories Ltd","subitem_text_language":"en"},{"subitem_text_value":"Fujitsu Laboratories Ltd","subitem_text_language":"en"},{"subitem_text_value":"Fujitsu Laboratories Ltd","subitem_text_language":"en"},{"subitem_text_value":"Fujitsu Laboratories Ltd","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/182863/files/IPSJ-OS17141022.pdf","label":"IPSJ-OS17141022.pdf"},"date":[{"dateType":"Available","dateValue":"2019-07-19"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-OS17141022.pdf","filesize":[{"value":"436.6 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":"7e544fe9-6a75-4a26-aee0-3758202d1616","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":"田邨, 優人"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中島, 耕太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山本, 昌生"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"前田, 宗則"}],"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":"ハードウェアの進歩に伴い，従来よりも大幅に低レイテンシな記憶装置やインターコネクタが登場している．計算機環境のさらなる高性能化，大規模化が求められる昨今では，今後これらのデバイスが主流になると考えられるが，大部分の計算機システムではその高速性を活かせない場合が多い．その一つの原因としてカーネル内でデバイスからの応答の検知にハードウェア割り込みを使用していることが挙げられる．性能が重要視される HPC 分野などではハードウェア割り込みよりも高速にデバイスからの応答検知を行うために polling という手法が用いられる．しかし polling は CPU リソースを占有してしまうという特性から汎用的な計算機システムには積極的に用いられることはなかった．そこで本研究では CPU リソースを管理しながらカーネル内で polling を行うための polling idle ドライバを提案する．提案手法を NVMe over Fabrics に実装して評価を行ったところ，最大 47.1% のレイテンシ削減効果，最大 77.3% の iops 向上を確認し，また iops の上限値が従来から 40.2% 向上したことを確認した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","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":"22","bibliographicVolumeNumber":"2017-OS-141"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:50:26.029239+00:00","id":182863,"links":{}}