{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00231052","sets":["1164:1579:11081:11407"]},"path":["11407"],"owner":"44499","recid":"231052","title":["Analyzing Carbon Footprint Implications of Hardware Replacement: Preliminary Evaluation Targeting CPUs in Supercomputer Systems"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-11-28"},"_buckets":{"deposit":"d4409d07-9444-4b3d-80d7-71becdae0d43"},"_deposit":{"id":"231052","pid":{"type":"depid","value":"231052","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"Analyzing Carbon Footprint Implications of Hardware Replacement: Preliminary Evaluation Targeting CPUs in Supercomputer Systems","author_link":["623151","623158","623157","623159","623150","623152","623155","623153","623154","623156"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Analyzing Carbon Footprint Implications of Hardware Replacement: Preliminary Evaluation Targeting CPUs in Supercomputer Systems"},{"subitem_title":"Analyzing Carbon Footprint Implications of Hardware Replacement: Preliminary Evaluation Targeting CPUs in Supercomputer Systems","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"分散システム","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2023-11-28","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"Kyushu University"},{"subitem_text_value":"Kyushu University"},{"subitem_text_value":"Kyushu University"},{"subitem_text_value":"Kyushu University"},{"subitem_text_value":"Kyushu University"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"Kyushu University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"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/231052/files/IPSJ-ARC23255013.pdf","label":"IPSJ-ARC23255013.pdf"},"date":[{"dateType":"Available","dateValue":"2025-11-28"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ARC23255013.pdf","filesize":[{"value":"1.3 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":"16"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"b0f78efc-8874-48a1-9736-c9cf6ff6a89e","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Kuan, Yi Ng"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Takeshi, Nanri"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Teruo, Tanimoto"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Satoshi, Kawakami"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Koji, Inoue"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Kuan, Yi Ng","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Takeshi, Nanri","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Teruo, Tanimoto","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Satoshi, Kawakami","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Koji, Inoue","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_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8574","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"Addressing the environmental impact of computing, this study reevaluates the carbon footprint of hardware upgrades in light of evolving computational demands and the number of hardware components, which are elements that are not considered yet. Our findings suggest that annual CPU upgrades can significantly reduce carbon footprints―by 51.9% to 72.7%―and enhance carbon efficiency by 2.90×, given a steady improvement in power efficiency of ×1.226 in new CPUs. However, we also identify cases where yearly CPU upgrades are not optimum even with improvement in power efficiency when there is a large number of hardware components involved during hardware upgrades.","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Addressing the environmental impact of computing, this study reevaluates the carbon footprint of hardware upgrades in light of evolving computational demands and the number of hardware components, which are elements that are not considered yet. Our findings suggest that annual CPU upgrades can significantly reduce carbon footprints―by 51.9% to 72.7%―and enhance carbon efficiency by 2.90×, given a steady improvement in power efficiency of ×1.226 in new CPUs. However, we also identify cases where yearly CPU upgrades are not optimum even with improvement in power efficiency when there is a large number of hardware components involved during hardware upgrades.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告システム・アーキテクチャ（ARC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-11-28","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"13","bibliographicVolumeNumber":"2023-ARC-255"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":231052,"updated":"2025-01-19T10:53:38.420121+00:00","links":{},"created":"2025-01-19T01:31:11.124246+00:00"}