{"created":"2023-06-20T15:07:59.183516+00:00","id":37368,"links":{},"metadata":{"_buckets":{"deposit":"a6419b09-eb89-4ef7-aaae-d7937666c217"},"_deposit":{"created_by":1,"id":"37368","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"37368"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00037368","sets":["1887:1891","1896:1898:1913:1915"]},"author_link":["480378","480379","480376","480384","480385","480382","480377","480383","480381","480380"],"item_5_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"The improvement of the performance on NWT jobs"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1999-02","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"342","bibliographicPageStart":"337","bibliographicVolumeNumber":"41","bibliographic_titles":[{"bibliographic_title":"航空宇宙技術研究所特別資料"},{"bibliographic_title":"Special Publication of National Aerospace Laboratory","bibliographic_titleLang":"en"}]}]},"item_5_description_14":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"航空宇宙技術研究所 24-26 Jun. 1998 東京 日本","subitem_description_type":"Other"}]},"item_5_description_15":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）（英）","attribute_value_mlt":[{"subitem_description":"National Aerospace Laboratory 24-26 Jun. 1998 Tokyo Japan","subitem_description_type":"Other"}]},"item_5_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"数値風洞(NWT)は高処理性能並列計算機である。これは非常に高いCPU(中央処理装置)稼働率で運用されている。NWTを有効に使用するためにNWTジョブの入出力(I/O)の性能を調査し、NWTジョブが処理性能を低下する重大な問題を抱えていることが判った。その問題は書式なしフォートランレコードの出力性能にある。この処理性能の改善案を見出し、NWTジョブのI/O処理性能の重要性を認識した。本報では、NWTジョブのI/O処理性能の統計的および実測データ、ならびに本問題を解決する方法の詳細を示した。","subitem_description_type":"Abstract"}]},"item_5_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"NWT (Numerical Wind Tunnel) is a high performance parallel computer. It has served at the very high CPU (Central Processing Unit) utilization rate. To make the best use of NWT, the behaviors of Input/Output (I/O) on NWT jobs were investigated, and it was found that NWT jobs have a serious problem to deteriorate the performance. It is in the output process of Fortran unformatted sequential writing. The scheme that improves the performance has been found, and the importance of I/O performance on NWT jobs is recognized. In this paper the statistical and actual surveyed data of the I/O performance on NWT jobs, and the details of the method to solve this problem are shown.","subitem_description_type":"Other"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0001958054","subitem_description_type":"Other"}]},"item_5_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: NAL SP-41","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"航空宇宙技術研究所"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"National Aerospace Laboratory (NAL)"}]},"item_5_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0289-260X","subitem_source_identifier_type":"ISSN"}]},"item_5_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10097345","subitem_source_identifier_type":"NCID"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"航空宇宙技術研究所"},{"subitem_text_value":"航空宇宙技術研究所"},{"subitem_text_value":"航空宇宙技術研究所"},{"subitem_text_value":"三向ソフトウェア開発"},{"subitem_text_value":"富士通"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory"},{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory"},{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory"},{"subitem_text_language":"en","subitem_text_value":"Sanko Software Development Co"},{"subitem_text_language":"en","subitem_text_value":"Fujitsu Ltd"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"土屋, 雅子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉田, 正廣"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中村, 孝"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"藤岡, 晃"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山口, 靖"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Tsuchiya, Masako","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Yoshida, Masahiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Nakamura, Takashi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Fujioka, Akira","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Yamaguchi, Yasushi","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-02-10"}],"displaytype":"detail","filename":"nalsp0041054.pdf","filesize":[{"value":"472.9 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"nalsp0041054.pdf","url":"https://jaxa.repo.nii.ac.jp/record/37368/files/nalsp0041054.pdf"},"version_id":"e5633e4c-a2bb-4fc6-a727-f62f5bd242b9"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"数値風洞","subitem_subject_scheme":"Other"},{"subitem_subject":"NWT","subitem_subject_scheme":"Other"},{"subitem_subject":"並列計算機","subitem_subject_scheme":"Other"},{"subitem_subject":"CPU稼働率","subitem_subject_scheme":"Other"},{"subitem_subject":"ジョブ","subitem_subject_scheme":"Other"},{"subitem_subject":"入出力性能","subitem_subject_scheme":"Other"},{"subitem_subject":"処理性能","subitem_subject_scheme":"Other"},{"subitem_subject":"フォートランプログラム","subitem_subject_scheme":"Other"},{"subitem_subject":"中央処理装置","subitem_subject_scheme":"Other"},{"subitem_subject":"numerical wind tunnel","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"NWT","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"parallel computer","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"CPU utilization rate","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"job","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"input output performance","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"performance","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Fortran program","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"central processing unit","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference paper","resourceuri":"http://purl.org/coar/resource_type/c_5794"}]},"item_title":"NWTジョブにおける処理性能の改善","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"NWTジョブにおける処理性能の改善"}]},"item_type_id":"5","owner":"1","path":["1891","1915"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"37368","relation_version_is_last":true,"title":["NWTジョブにおける処理性能の改善"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-20T21:20:44.186233+00:00"}