{"updated":"2025-01-19T10:16:44.814798+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00232914","sets":["1164:5305:11555:11556"]},"path":["11556"],"owner":"44499","recid":"232914","title":["GPGPUによるαβ法を用いた高速なオセロ探索手法"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-03-01"},"_buckets":{"deposit":"00bcb800-a11c-4dc9-9034-5473bde3f096"},"_deposit":{"id":"232914","pid":{"type":"depid","value":"232914","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"GPGPUによるαβ法を用いた高速なオセロ探索手法","author_link":["631528"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"GPGPUによるαβ法を用いた高速なオセロ探索手法"}]},"item_type_id":"4","publish_date":"2024-03-01","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"筑波大学理工学群工学システム学類"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"College of Engineering Systems, University of Tsukuba","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/232914/files/IPSJ-GI24051026.pdf","label":"IPSJ-GI24051026.pdf"},"date":[{"dateType":"Available","dateValue":"2026-03-01"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-GI24051026.pdf","filesize":[{"value":"3.8 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":"18"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"3dfb4e8b-c220-4c94-b838-a1c7ed9810ef","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"山名, 琢翔"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11362144","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":"2188-8736","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年，GPU の性能は飛躍的に向上し，GPU によってグラフィック描画以外の計算を行う GPGPU という手法が注目されている．また，αβ法はゲーム木探索アルゴリズムとして広く用いられており，オセロ AI をはじめとする様々なゲーム AI に実装されている．しかし，αβ法はその性質上，並列化が難しい上に GPU の SIMT 方式との相性が悪いと予想され，αβ法において GPU を活用する例は限定的である．GPU で αβ 法を高速に動かすことができれば，効率的に計算資源を使いながら探索ができると考えられる．本稿では，GPU 上でαβ法を動かし，オセロの終盤完全読みを行った．また，GPU においてαβ法を効率的に実行するための工夫を考案し，実際にどの程度計算速度が向上したかを実験した．本稿では大量の問題を並列に解く手法について論じるが，一つの局面を大規模に並列化して解く場合にも，本手法が役立つことが期待される．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"9","bibliographic_titles":[{"bibliographic_title":"研究報告ゲーム情報学（GI）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-03-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"26","bibliographicVolumeNumber":"2024-GI-51"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:34:03.443649+00:00","id":232914,"links":{}}