{"created":"2025-01-19T01:28:44.789301+00:00","updated":"2025-01-19T11:31:22.939422+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00229533","sets":["6504:11436:11437"]},"path":["11437"],"owner":"44499","recid":"229533","title":["RoCCアクセラレータを用いたRocket Chipによる複素数乗算の高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-02-16"},"_buckets":{"deposit":"cb6c3411-3de0-4285-b96c-1f160ee80cad"},"_deposit":{"id":"229533","pid":{"type":"depid","value":"229533","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"RoCCアクセラレータを用いたRocket Chipによる複素数乗算の高速化","author_link":["617385","617386","617383","617382","617384"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"RoCCアクセラレータを用いたRocket Chipによる複素数乗算の高速化"}]},"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":"2023-02-16","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":"三菱"},{"subitem_text_value":"三菱"},{"subitem_text_value":"三菱"},{"subitem_text_value":"三菱"},{"subitem_text_value":"三菱"}]},"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/229533/files/IPSJ-Z85-1A-01.pdf","label":"IPSJ-Z85-1A-01.pdf"},"date":[{"dateType":"Available","dateValue":"2023-11-17"}],"format":"application/pdf","filename":"IPSJ-Z85-1A-01.pdf","filesize":[{"value":"322.3 kB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"90445f23-1ca6-4b70-a1fd-48d322c011e0","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"津村, 雄太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山下, 雄也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡田, 正純"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"丹所, 良二"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"外山, 正勝"}],"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、オープンなISAであるRISC-Vが普及しつつある。RISC-Vはモジュール性の高いISAであり、カスタム化した専用命令を実装することができる。RISC-Vを実装したSoCの一つであるRocket Chipは、外部アクセラレータを簡易な方式で駆動することができる。この特長を活かして、Rocket Chipを用いたデジタル信号処理、特に高速フーリエ変換(FFT)の高速化を検討している。まずはFFTのバタフライ演算に現れる複素数乗算のアクセラレータを試作し、それと接続したRocket Chipを用いて性能評価を行ったところ、最大2.34倍の性能向上が得られた。","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"2","bibliographic_titles":[{"bibliographic_title":"第85回全国大会講演論文集"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-02-16","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2023"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":229533,"links":{}}