{"id":87836,"updated":"2025-01-21T17:01:10.407937+00:00","links":{},"created":"2025-01-18T23:38:25.946105+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00087836","sets":["6164:6165:6242:6971"]},"path":["6971"],"owner":"11","recid":"87836","title":["FrontFlow/blueの勾配計算カーネルのスーパーコンピュータ「京」上でのチューニング"],"pubdate":{"attribute_name":"公開日","attribute_value":"2013-01-08"},"_buckets":{"deposit":"959be119-5561-42e4-bb1b-9692ea4f629c"},"_deposit":{"id":"87836","pid":{"type":"depid","value":"87836","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"FrontFlow/blueの勾配計算カーネルのスーパーコンピュータ「京」上でのチューニング","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"FrontFlow/blueの勾配計算カーネルのスーパーコンピュータ「京」上でのチューニング"},{"subitem_title":"Performance Tuning for Gradient Kernel of the FrontFlow/blue on the K computer","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"最適化","subitem_subject_scheme":"Other"}]},"item_type_id":"18","publish_date":"2013-01-08","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_18_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"理化学研究所"},{"subitem_text_value":"理化学研究所"},{"subitem_text_value":"理化学研究所"}]},"item_18_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"RIKEN","subitem_text_language":"en"},{"subitem_text_value":"RIKEN","subitem_text_language":"en"},{"subitem_text_value":"RIKEN","subitem_text_language":"en"}]},"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/87836/files/IPSJ-HPCS2013008.pdf"},"date":[{"dateType":"Available","dateValue":"2015-01-08"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPCS2013008.pdf","filesize":[{"value":"956.2 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"330","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"330","billingrole":"14"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"e9afcd6f-966a-4fea-a587-e34278acce8f","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2013 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"熊畑, 清"},{"creatorName":"井上, 俊介"},{"creatorName":"南, 一生"}],"nameIdentifiers":[{}]}]},"item_18_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Kiyoshi, Kumahata","creatorNameLang":"en"},{"creatorName":"Shunsuke, Inoue","creatorNameLang":"en"},{"creatorName":"Kazuo, Minami","creatorNameLang":"en"}],"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_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"有限要素法による汎用流体解析ソフトFrontFlow/blueは圧力を節点上に定義するモードと，要素中心に定義するモードの2つのモードを備えている．このうち圧力を要素中心に定義するモードでは要素中心の圧力から要素頂点上での圧力勾配ベクトルを計算する部分が計算時間のおよそ30％以上を費やしており主要な部分(カーネル)となる．この勾配計算カーネルは要素が持つ参照節点リストを介して，節点が持つ物理量を保持する配列にアクセスするリストアクセスとなっておりスーパーコンピュータ「京」で性能を出すためにはキャッシュの利用効率を考慮したチューニングが必要であった．本稿ではこの勾配計算カーネルのスーパーコンピュータ「京」上での性能評価とチューニング技法及び測定結果について述べる．","subitem_description_type":"Other"}]},"item_18_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"General purpose fluid simulation software FrontFlow/blue based on finite element method has two modes to treat pressure. One defines pressure on node and another defines pressure on element center. For the element pressure mode one, of the kernels that mean governing part of total computation time is calculating pressure gradient. This kernel indirectly access to memory via list-access. Hence an improving performance required special treatment of effective cache utilization. This paper show the way for performance estimation and tuning on the K computer.","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"61","bibliographic_titles":[{"bibliographic_title":"ハイパフォーマンスコンピューティングと計算科学シンポジウム論文集"}],"bibliographicPageStart":"53","bibliographicIssueDates":{"bibliographicIssueDate":"2013-01-08","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2013"}]},"relation_version_is_last":true,"weko_creator_id":"11"}}