{"updated":"2025-01-20T03:08:25.874855+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00184881","sets":["1164:2240:9116:9317"]},"path":["9317"],"owner":"11","recid":"184881","title":["Xeon Phi KNLにおけるブラソフコードの性能評価(2)"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-12-11"},"_buckets":{"deposit":"2f444938-b171-4521-b2d7-693e089782b6"},"_deposit":{"id":"184881","pid":{"type":"depid","value":"184881","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"Xeon Phi KNLにおけるブラソフコードの性能評価(2)","author_link":["409543","409544","409542","409541"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Xeon Phi KNLにおけるブラソフコードの性能評価(2)"},{"subitem_title":"Performance evaluation of Vlasov code on the Xeon Phi KNL (2)","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"アクセラレータ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2017-12-11","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"名古屋大学宇宙地球環境研究所"},{"subitem_text_value":"京都大学学術情報メディアセンター"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Institute for Space-Earth Environmental Research, Nagoya University","subitem_text_language":"en"},{"subitem_text_value":"Academic Center for Computing and Media Studies, Kyoto University","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/184881/files/IPSJ-HPC17162001.pdf","label":"IPSJ-HPC17162001.pdf"},"date":[{"dateType":"Available","dateValue":"2019-12-11"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC17162001.pdf","filesize":[{"value":"998.9 kB"}],"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":"5161d9c9-35a0-4ae9-bd2b-ef258fd32977","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2017 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"梅田, 隆行"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"深沢, 圭一郎"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Takayuki, Umeda","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Keiichiro, Fukazawa","creatorNameLang":"en"}],"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":"Vlasov コードは宇宙空間を満たす無衝突プラズマの第一原理シミュレーション手法である．Vlasov シミュレーションでは，位置及び速度で与えられる超多次元位相空間における荷電粒子の分布関数の時間発展を，運動論方程式により Euler 型の数値解法を用いて直接解き進めている．4 次元以上の空間を扱うシミュレーションでは，ノードあたり，あるいはコアあたりに使用できるメモリ容量の制限から，数値解法や性能チューニングにおいて様々な工夫が必要である．本研究グループはこれまでに様々な HPC 関連プロジェクトと通じて，Vlasov コードの性能チューニングを行ってきた．本講演では，Xeon Phi Knights Landing (KNL) プロセッサにおいてメモリモードとクラスタモードを変更した時の Vlasov コードの性能測定結果について報告する．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Vlasov code is a first-principle simulation method for collisionless space plasma. The Vlasov code solves the time development of phase-space distribution functions of charged particles in hyper-dimensions based on fully kinetic equations with the Eulerian grids. Since the distribution functions are defined in more than four dimensions, the Vlasov code requires high-resolution and high-performance numerical schemes which should work in limited computational memory per node or per core. Our Vlasov code has been made performance tuning on various scalar CPU architectures under Japanese HPC projects. In the present study, the performance of our Vlasov code is measured on the latest CPU KNL (Knights Landing) Xeon Phi with various combinations of the memory mode and the cluster mode.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","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":"2017-12-11","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2017-HPC-162"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:52:09.629478+00:00","id":184881,"links":{}}