{"created":"2023-05-15T14:57:37.159236+00:00","id":78200,"links":{},"metadata":{"_buckets":{"deposit":"3ac11a16-a967-4085-aed0-2a6e9fdf30e7"},"_deposit":{"created_by":1,"id":"78200","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"78200"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00078200","sets":["10:29"]},"author_link":["817231","817230","817233","817232","817229","817234"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2019-06-13","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"近年のGPUコンピューティングの台頭により大規模並列計算コードの大幅な高速化が可能となっている。本研究では、核融合プラズマの局所的乱流輸送解析に用いられるGKVコードをGPU環境へ移植した。GKVコードは5次元の位相空間における分布関数の時間発展を計算するため、高次元のステンシル計算というユニークな特徴を持つ。本研究ではこの特徴を生かし、演算に直接関与しない次元方向にパイプライン化を行うことで、通信と演算のオーバーラップを実現した。これにより、通信を加味しても従来のCPU環境に比べ最大3倍程度の加速を実現した。加えて、新たに実装した多粒子種衝突オペレータのGPU最適化についても説明する。","subitem_description_type":"Abstract"}]},"item_10005_description_6":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"PASC19","subitem_description_type":"Other"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Asahi, Yuuichi"}],"nameIdentifiers":[{"nameIdentifier":"817229","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ina, Takuya"}],"nameIdentifiers":[{"nameIdentifier":"817230","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Idomura, Yasuhiro"}],"nameIdentifiers":[{"nameIdentifier":"817231","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Maeyama, Shinya"}],"nameIdentifiers":[{"nameIdentifier":"817232","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Watanabe, Tomohiko"}],"nameIdentifiers":[{"nameIdentifier":"817233","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Asahi, Yuuichi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"817234","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"Accelerating Eulerian gyrokinetic codes on the latest GPU platforms","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Accelerating Eulerian gyrokinetic codes on the latest GPU platforms"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-12-23"},"publish_date":"2019-12-23","publish_status":"0","recid":"78200","relation_version_is_last":true,"title":["Accelerating Eulerian gyrokinetic codes on the latest GPU platforms"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T23:24:30.784237+00:00"}