{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00109454","sets":["6504:6739:7812"]},"path":["7812"],"owner":"6748","recid":"109454","title":["暗号化ZIPファイルにおけるパスワード解析のGPUによる高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2012-03-06"},"_buckets":{"deposit":"ef0ef1b9-2cf7-44b8-bd70-6e5997c94997"},"_deposit":{"id":"109454","pid":{"type":"depid","value":"109454","revision_id":0},"owners":[6748],"status":"published","created_by":6748},"item_title":"暗号化ZIPファイルにおけるパスワード解析のGPUによる高速化","author_link":["23789","23788","23786","23787"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"暗号化ZIPファイルにおけるパスワード解析のGPUによる高速化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"アーキテクチャ","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2012-03-06","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"宇都宮大"},{"subitem_text_value":"宇都宮大"},{"subitem_text_value":"宇都宮大"},{"subitem_text_value":"宇都宮大"}]},"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/109454/files/IPSJ-Z74-4K-6.pdf"},"date":[{"dateType":"Available","dateValue":"2014-12-18"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-Z74-4K-6.pdf","filesize":[{"value":"122.9 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"0307bfba-50c6-45ba-89b6-9b64fcbe7a64","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2012 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"表雅之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大津金光"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"横田隆史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"馬場敬信"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年、画像処理の用途に開発されてきたGPUを科学技術計算等に適用したGPGPUの研究が盛んに行われている。GPUはCPUと比べて高速な演算性能を持っているが、漸化計算のような並列性が低くなる処理では性能を活かし切ることが出来ない。そのため、GPUの性能を活かすためにはデータ並列に適したプログラムの選択が不可欠である。よって本稿ではNVIDIA社のCUDAアーキテクチャ、zlibを用い、複数のZIPファイルを並列的に伸張するプログラムを開発し、どの程度の高速化が達成できるかを評価する。","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"212","bibliographic_titles":[{"bibliographic_title":"第74回全国大会講演論文集"}],"bibliographicPageStart":"211","bibliographicIssueDates":{"bibliographicIssueDate":"2012-03-06","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2012"}]},"relation_version_is_last":true,"weko_creator_id":"6748"},"id":109454,"updated":"2025-01-21T08:21:01.461792+00:00","links":{},"created":"2025-01-18T23:51:53.564964+00:00"}