{"updated":"2025-01-20T07:01:43.032726+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00174154","sets":["1164:2240:8543:8882"]},"path":["8882"],"owner":"11","recid":"174154","title":["FPGAを用いた階層型行列ベクトル積"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-08-01"},"_buckets":{"deposit":"8ae335e0-e7f0-475f-9b19-59c857047f37"},"_deposit":{"id":"174154","pid":{"type":"depid","value":"174154","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"FPGAを用いた階層型行列ベクトル積","author_link":["356345","356347","356346","356348"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"FPGAを用いた階層型行列ベクトル積"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"行列計算","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2016-08-01","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学情報基盤センター"},{"subitem_text_value":"東京大学情報基盤センター"},{"subitem_text_value":"東京大学情報基盤センター"},{"subitem_text_value":"東京大学情報基盤センター"}]},"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/174154/files/IPSJ-HPC16155040.pdf","label":"IPSJ-HPC16155040.pdf"},"date":[{"dateType":"Available","dateValue":"2018-08-01"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC16155040.pdf","filesize":[{"value":"1.3 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"14"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"be6be1e9-765e-403e-9612-91d2bb8777d1","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2016 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"塙, 敏博"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"伊田, 明弘"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大島, 聡史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"河合, 直聡"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10463942","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":"2188-8841","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年，FPGA (Field Programmable Gate Array) に対して新たな高性能計算向けのハードウェアとして注目が集まっている．FPGA は対象とする処理に合わせた最適な回路構成を用いることで高い性能や高い電力あたり性能を得られる可能性がある．さらに OpenCL を用いてプログラムコードの形で記述するだけで，FPGA 上のハードウェアとして容易に実現が可能な環境が整ってきた．本研究では，階層型行列における行列ベクトル積演算を対象に，FPGA 上に実装を行う．階層型行列は，小さな密行列と低ランク近似行列から構成される．階層型行列ベクトル積を行うには，これら構成行列に依存して入り組んだ処理が必要となる．このような問題に対して OpenCL を用いて FPGA 向けの実装を行い，コードの最適化方法と性能について比較する．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"9","bibliographic_titles":[{"bibliographic_title":"研究報告ハイパフォーマンスコンピューティング（HPC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2016-08-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"40","bibliographicVolumeNumber":"2016-HPC-155"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:44:23.079264+00:00","id":174154,"links":{}}