{"id":213139,"updated":"2025-01-19T17:15:52.881509+00:00","links":{},"created":"2025-01-19T01:14:03.027832+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00213139","sets":["1164:2240:10556:10713"]},"path":["10713"],"owner":"44499","recid":"213139","title":["SA-AMG法における軽量な粗格子集約手法と富岳上でのウィークスケーリング性能評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-09-20"},"_buckets":{"deposit":"42cf5576-a39e-48f8-9b7b-2c10c16ba92d"},"_deposit":{"id":"213139","pid":{"type":"depid","value":"213139","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"SA-AMG法における軽量な粗格子集約手法と富岳上でのウィークスケーリング性能評価","author_link":["544802","544804","544803"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"SA-AMG法における軽量な粗格子集約手法と富岳上でのウィークスケーリング性能評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"数値計算","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2021-09-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"工学院大学"},{"subitem_text_value":"工学院大学"},{"subitem_text_value":"東京大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Kogakuin University","subitem_text_language":"en"},{"subitem_text_value":"Kogakuin University","subitem_text_language":"en"},{"subitem_text_value":"The University of Tokyo","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/213139/files/IPSJ-HPC21181006.pdf","label":"IPSJ-HPC21181006.pdf"},"date":[{"dateType":"Available","dateValue":"2023-09-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC21181006.pdf","filesize":[{"value":"1.4 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":"7dcc1eac-1063-4887-94a1-a9cb42f154b0","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"藤井, 昭宏"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"田中, 輝雄"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中島, 研吾"}],"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":"Smoothed aggregation に基づく代数的多重格子法の大規模環境，大規模問題への対応を検討した．まず，大規模なプロセス並列へ対応するため，並列アグリゲーションの手法を元に軽量な粗格子集約手法を提案した．また粗い階層の未知数の規模が 32 ビット整数型の範囲を超える問題に対しても対応できるようにするため，64 ビット整数型の利用をマルチレベル生成時の一部に限定する実装手法を示した．これらの手法を適用し，スーパーコンピューター富岳の 4 万 9 千ノード以上を利用し，未知数の個数が 1012 以上の分散 CRS 形式の疎行列を入力とした不均質拡散係数を持つポアソン問題を解き，本手法による代数的多重格子法のウィークスケーリング性能を示す．","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":"2021-09-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"6","bibliographicVolumeNumber":"2021-HPC-181"}]},"relation_version_is_last":true,"weko_creator_id":"44499"}}