{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00011681","sets":["581:664:673"]},"path":["673"],"owner":"1","recid":"11681","title":["MP3エンコーダの高速化実装"],"pubdate":{"attribute_name":"公開日","attribute_value":"2002-04-15"},"_buckets":{"deposit":"56b787d1-15dc-40be-b44d-1ab0de1af9d1"},"_deposit":{"id":"11681","pid":{"type":"depid","value":"11681","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"MP3エンコーダの高速化実装","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"MP3エンコーダの高速化実装"},{"subitem_title":"A Performance Centric Optimization of MP3 Encoder Programs","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"特集：並列処理","subitem_subject_scheme":"Other"}]},"item_type_id":"2","publish_date":"2002-04-15","item_2_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"広島大学大学院工学研究科"},{"subitem_text_value":"株式会社ピクセラ"},{"subitem_text_value":"株式会社インテリジェントシステムズ研究開発部"},{"subitem_text_value":"有限会社サムス"},{"subitem_text_value":"岡山大学大学院自然科学研究科"},{"subitem_text_value":"株式会社コニカ"}]},"item_2_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Department of Engineering, Graduate School of Hiroshima University","subitem_text_language":"en"},{"subitem_text_value":"Pixela Co.","subitem_text_language":"en"},{"subitem_text_value":"INTELLIGENT SYSTEMS Co., Ltd. R&D","subitem_text_language":"en"},{"subitem_text_value":"Sams Inc.","subitem_text_language":"en"},{"subitem_text_value":"Department of Natural Science and Technology, Graduate School of Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Konica Co.","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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/11681/files/IPSJ-JNL4304019.pdf"},"date":[{"dateType":"Available","dateValue":"2004-04-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-JNL4304019.pdf","filesize":[{"value":"287.1 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":"8"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"2f94da9b-d5ce-42ee-9aa6-f90f291ab857","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2002 by the Information Processing Society of Japan"}]},"item_2_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"酒居, 敬一"},{"creatorName":"光成, 滋生"},{"creatorName":"成田, 剛"},{"creatorName":"石田, 計"},{"creatorName":"藤井, 寛"},{"creatorName":"庄司, 信利"}],"nameIdentifiers":[{}]}]},"item_2_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Keiichi, Sakai","creatorNameLang":"en"},{"creatorName":"Shigeo, Mitsunari","creatorNameLang":"en"},{"creatorName":"Takeshi, Narita","creatorNameLang":"en"},{"creatorName":"Kei, Ishida","creatorNameLang":"en"},{"creatorName":"Hiroshi, Fujii","creatorNameLang":"en"},{"creatorName":"Nobutoshi, Shoji","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_2_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116647","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_2_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1882-7764","subitem_source_identifier_type":"ISSN"}]},"item_2_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年の汎用パーソナルコンピュータに多く使われているIA-32プロセッサは過去との互換性のために命令体系はCISC的である．しかし内部動作はRISCマイクロ命令への変換，ハイパーパイプライン，アウトオブオーダ，などRISC的アーキテクチャが多数取り入れられている．さらにSIMD的演算命令の搭載によりデータ並列処理を実現している．とはいえその新しい機構に応じたコードを生成するコンパイラはまだまだ少数であり，また対応していたとしてもコンパイラ独自の拡張C言語による記述が必要であることが多い．そのため通常のC言語による記述を主体としたベンチマークではプロセッサの正当な評価を行いにくい．そこで我々は実用的なアプリケーションとしてMP3エンコーダを選択しコード全般にわたってアセンブリ言語による最適化処理を行った．その結果C言語によるコードに対し2倍から3倍の高速化を達成した．","subitem_description_type":"Other"}]},"item_2_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"The architecture of IA-32 processors, which are recently used in personalcomputers in general, can execute the industry-standard x86 instruction setlike CISC for binary compatibility.But in fact, the processors process simpler RISC micro operations instead ofcomplex x86 instructions, and support hyper pipelined technology and out-of-oder speculative execution.IA-32 processor also has the SIMD instructions.However, there are few compilers which generate the code supporting the newtechnology, or we must use the extended C language, if any.Therefore it is difficult to evaluate the processor exactly by the benchmarkbased on the ordinary C language.Then we chose a MP3 encoder for practical application and rewrote the mainroutines of the encoder by assembly language.As a result, we have achieved about two or three times faster optimization.","subitem_description_type":"Other"}]},"item_2_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"1038","bibliographic_titles":[{"bibliographic_title":"情報処理学会論文誌"}],"bibliographicPageStart":"1028","bibliographicIssueDates":{"bibliographicIssueDate":"2002-04-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"43"}]},"relation_version_is_last":true,"item_2_alternative_title_2":{"attribute_name":"その他タイトル","attribute_value_mlt":[{"subitem_alternative_title":"並列処理応用"}]},"weko_creator_id":"1"},"id":11681,"updated":"2025-01-23T02:04:58.059977+00:00","links":{},"created":"2025-01-18T22:46:14.784218+00:00"}