{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00214628","sets":["6504:10735:10736"]},"path":["10736"],"owner":"44499","recid":"214628","title":["SX-Aurora TSUBASA上での離散ウェーブレット変換の階層的並列処理"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-03-04"},"_buckets":{"deposit":"93b61f21-c077-473c-8d3c-9efff2862b11"},"_deposit":{"id":"214628","pid":{"type":"depid","value":"214628","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"SX-Aurora TSUBASA上での離散ウェーブレット変換の階層的並列処理","author_link":["551742","551743"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"SX-Aurora TSUBASA上での離散ウェーブレット変換の階層的並列処理"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"コンピュータシステム","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2021-03-04","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":"明大"},{"subitem_text_value":"明大"}]},"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/214628/files/IPSJ-Z83-1H-06.pdf","label":"IPSJ-Z83-1H-06.pdf"},"date":[{"dateType":"Available","dateValue":"2021-12-28"}],"format":"application/pdf","filename":"IPSJ-Z83-1H-06.pdf","filesize":[{"value":"152.0 kB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"7c4fe2cc-3475-4ba5-8e92-0d577fd915c6","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"西倉, 佑騎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉田, 明正"}],"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":"SX-Aurora TSUBASAはベクトルホストとベクトルエンジンを搭載したベクトルコンピュータである．ベクトルエンジンは高メモリバンド幅により，ベクトル命令を用いて最大256要素を一度に処理することができる．本稿では，画像圧縮に用いられる2次元離散ウェーブレット変換プログラムを対象とし，OpenMPによるループ並列処理とベクトル処理を階層的に組み合わせて並列処理を実現する．本手法では，ループアンローリングを適用することにより，ベクトル処理の性能を高めている．本性能評価では，SX-Aurora TSUBASAの8コアを利用して，16K画像を対象とした離散ウェーブレット変換プログラムを並列実行したところ，高い実効性能が達成され，提案手法の有効性が確認された．","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"30","bibliographic_titles":[{"bibliographic_title":"第83回全国大会講演論文集"}],"bibliographicPageStart":"29","bibliographicIssueDates":{"bibliographicIssueDate":"2021-03-04","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2021"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":214628,"updated":"2025-01-19T16:32:33.116442+00:00","links":{},"created":"2025-01-19T01:15:26.132161+00:00"}