{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00023525","sets":["1164:1579:1616:1620"]},"path":["1620"],"owner":"1","recid":"23525","title":["Java仮想マシンのベクトル化と動的最適化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2002-03-07"},"_buckets":{"deposit":"bb3efdb2-1c14-41e3-a6dd-d6a611d8bb38"},"_deposit":{"id":"23525","pid":{"type":"depid","value":"23525","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"Java仮想マシンのベクトル化と動的最適化","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Java仮想マシンのベクトル化と動的最適化"},{"subitem_title":"Vector Execution and Dynamic Optimization of Java Virtual Machine","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2002-03-07","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"静岡大学大学院情報学研究科"},{"subitem_text_value":"静岡大学情報学部情報科学科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Information, Shizuoka University","subitem_text_language":"en"},{"subitem_text_value":"Department of Information Science, Faculty of Information, Shizuoka 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/23525/files/IPSJ-ARC01147019.pdf"},"date":[{"dateType":"Available","dateValue":"2004-03-07"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ARC01147019.pdf","filesize":[{"value":"627.5 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":"16"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"b80ad5b1-f741-491f-9a64-b9fb19246d93","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2002 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"鈴木, 信一郎"},{"creatorName":"梅谷, 征雄"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Shinichiro, Suzuki","creatorNameLang":"en"},{"creatorName":"Yukio, Umetani","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10096105","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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"Java仮想マシンの実行速度を上げるために 本研究では静的ベクトル最適化と動的ループ最適化を検討した.静的ベクトル最適化では Java仮想マシンにベクトル処理機構を実装し 手動でJavaバイトコードを書き換えて測定した.動的ループ最適化では 動的にループに対して命令数の少ない疑似命令を作成し ループを疑似命令で実行することにより読み込み回数を減らした.KaffeVMに各最適化を実装しscimark2ベンチマークで測定した結果 オリジナルな実行に対しそれぞれ最大で1.9倍 5.7倍の高速化を達成した.","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"We propose static vector optimization and dynamic loop optimization for speedups of Java Virtual Machine(JVM). We designed a vector execution method to JVM and rewrite the JavaByteCode for testing static vector optimization. Also, we designed a dynamic loop optimization method that reduce the number of instructions in loop by substitution for JavaByteCode. As a result, we achieved 1.2 to 5.7 times speedup to the original execution.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"114","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告計算機アーキテクチャ（ARC）"}],"bibliographicPageStart":"109","bibliographicIssueDates":{"bibliographicIssueDate":"2002-03-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"22(2001-ARC-147)","bibliographicVolumeNumber":"2002"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"id":23525,"updated":"2025-01-22T20:20:52.315022+00:00","links":{},"created":"2025-01-18T22:54:54.561644+00:00"}