{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00217216","sets":["1164:2036:10820:10893"]},"path":["10893"],"owner":"44499","recid":"217216","title":["不揮発性メインメモリにおける効率的な整合性検証手法の検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-03-03"},"_buckets":{"deposit":"107f2bed-15e6-4d2c-ac8e-929b43012b5b"},"_deposit":{"id":"217216","pid":{"type":"depid","value":"217216","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"不揮発性メインメモリにおける効率的な整合性検証手法の検討","author_link":["562377","562376","562378"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"不揮発性メインメモリにおける効率的な整合性検証手法の検討"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"検証・スケジューリング","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-03-03","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学"},{"subitem_text_value":"東京大学"},{"subitem_text_value":"東京大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"The University of Tokyo","subitem_text_language":"en"},{"subitem_text_value":"The University of Tokyo","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/217216/files/IPSJ-SLDM22198062.pdf","label":"IPSJ-SLDM22198062.pdf"},"date":[{"dateType":"Available","dateValue":"2024-03-03"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-SLDM22198062.pdf","filesize":[{"value":"840.0 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":"10"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"1beb9b71-6a21-4d8e-a73f-0f091dd837af","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"久保, 龍哉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小池, 亮"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"高前田, 伸也"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11451459","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":"2188-8639","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"DRAM の代替技術として急速に普及している不揮発性メモリ（NVM）技術は，盗聴，改ざん，リプレイ攻撃などのセキュリティ上の脅威にさらされている．データの暗号化と整合性検証がこれらの攻撃から NVM を保護するための標準的な技術であるが，いずれも性能上のオーバーヘッドが発生する．加えて，安全なシステムには，電源喪失時のデータ復元性も必要である．整合性のためのハッシュ木更新のオーバーヘッドが依然として重大な性能ボトルネックとなっていて，商用の NVM ではクラッシュが発生した場合，攻撃者にさらされる NVM にデータを排出することでデータを永続化させるため，不揮発性領域は依然として安全ではない．本論文では，多重集合ハッシュ関数がメタキャッシュ上のハッシュノードを検証し，データの整合性更新とクラッシュ後の回復を効率的に行い，NVM を安全にする新しい整合性検証方式を提案する．メタデータキャッシュの状態を追跡するために，2 つの多重集合ハッシュを含むチップ上の 2 つの不揮発性レジスタを利用する．比較的単純な実装でありながら，整合性データの Write Back 更新を可能にし，メタデータのアクセス回数の削減に貢献する．本研究の性能を評価するため，Gem5 シミュレータで評価を行った．実験の結果，提案方式では，アプリケーションの実行時間を 18% 削減し，NVM への書き込みを 6% 削減することに成功した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"10","bibliographic_titles":[{"bibliographic_title":"研究報告システムとLSIの設計技術（SLDM）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-03-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"62","bibliographicVolumeNumber":"2022-SLDM-198"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":217216,"updated":"2025-01-19T15:34:44.557481+00:00","links":{},"created":"2025-01-19T01:17:43.181902+00:00"}