{"updated":"2025-01-19T13:11:55.464564+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00224299","sets":["1164:1867:11128:11129"]},"path":["11129"],"owner":"44499","recid":"224299","title":["SGXを用いたOptimistic Cuckoo Hashingの提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-02-14"},"_buckets":{"deposit":"791d9313-b495-4ce0-9bf7-76789c76dc14"},"_deposit":{"id":"224299","pid":{"type":"depid","value":"224299","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"SGXを用いたOptimistic Cuckoo Hashingの提案","author_link":["591103","591101","591102"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"SGXを用いたOptimistic Cuckoo Hashingの提案"},{"subitem_title":"Proposal of Optimistic Cuckoo Hashing using SGX","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"最適化","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2023-02-14","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"慶應義塾大学環境情報学部"},{"subitem_text_value":"慶應義塾大学環境情報学部"},{"subitem_text_value":"慶應義塾大学環境情報学部"}]},"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/224299/files/IPSJ-OS23158020.pdf","label":"IPSJ-OS23158020.pdf"},"date":[{"dateType":"Available","dateValue":"2025-02-14"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-OS23158020.pdf","filesize":[{"value":"1.0 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":"11"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"eccc492a-7caa-4b5f-b865-0b89149d0cdc","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":"荻野, 良太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"福山, 将英"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"川島, 英之"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10444176","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":"2188-8795","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本研究では高性能ハッシュ索引である Optimistic Cuckoo Hashing（OCH）をセキュアに実行するために Intel SGX 内部で動作する OCH を提案する．提案手法を設計，実装し，SGX で評価した．その結果，提案手法は 1 スレッド時に 80 万 ops，4 スレッド時に 220 万 ops の性能を示した．しかし，256 スレッド時にはその性能が 40 万opsに低下した．比較のために Enclave を使用しない Optimistic Cuckoo Hashing を評価したところ，1 スレッド時には 50 万 ops，4 スレッド時で 170 万 ops，256 スレッド時で 3300 万 ops だった．この性能劣化の原因を追究すべく mutex，memory access 速度，Enclave へのデータ受け渡し速度等を調査し，Enclave 内での並列メモリアロケーションがボトルネックであることを突き止めた．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告システムソフトウェアとオペレーティング・システム（OS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-02-14","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"20","bibliographicVolumeNumber":"2023-OS-158"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:23:53.636616+00:00","id":224299,"links":{}}