{"id":21629650,"url":"https://github.com/sfu-dis/optiql","last_synced_at":"2025-08-02T15:05:02.799Z","repository":{"id":189242971,"uuid":"680279646","full_name":"sfu-dis/optiql","owner":"sfu-dis","description":"Optimistic queue-based reader-writer lock for robust index synchronization (SIGMOD 2024)","archived":false,"fork":false,"pushed_at":"2024-05-09T04:22:23.000Z","size":3454,"stargazers_count":24,"open_issues_count":0,"forks_count":1,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-04-11T14:13:03.498Z","etag":null,"topics":["adaptive-radix-tree","btree","indexing","latching","lock","mcs","mcs-lock","optimistic-lock-coupling","optimistic-locking","reader-writer-lock","robustness","synchornization"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/sfu-dis.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-08-18T19:37:27.000Z","updated_at":"2025-01-24T06:45:17.000Z","dependencies_parsed_at":"2023-08-18T23:43:25.992Z","dependency_job_id":"67c11681-39c4-4bfa-9f65-f73aaa116db5","html_url":"https://github.com/sfu-dis/optiql","commit_stats":null,"previous_names":["sfu-dis/optiql"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/sfu-dis/optiql","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sfu-dis%2Foptiql","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sfu-dis%2Foptiql/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sfu-dis%2Foptiql/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sfu-dis%2Foptiql/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/sfu-dis","download_url":"https://codeload.github.com/sfu-dis/optiql/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sfu-dis%2Foptiql/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":268408189,"owners_count":24245576,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-08-02T02:00:12.353Z","response_time":74,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["adaptive-radix-tree","btree","indexing","latching","lock","mcs","mcs-lock","optimistic-lock-coupling","optimistic-locking","reader-writer-lock","robustness","synchornization"],"created_at":"2024-11-25T02:08:17.180Z","updated_at":"2025-08-02T15:05:02.760Z","avatar_url":"https://github.com/sfu-dis.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"## OptiQL: Optimistic Queuing Lock\n\nOptiQL is an optimistic lock that offers both high read performance and robustness under contention by extending the classic queue-based MCS locks with optimistic reads.  \n\nSee details in our [SIGMOD 2024 paper](https://www.cs.sfu.ca/~tzwang/optiql.pdf) below. If you use our work, please cite:\n\n```\nOptiQL: Robust Optimistic Locking for Memory-Optimized Indexes.\nGe Shi, Ziyi Yan and Tianzheng Wang.\nProceedings of the ACM on Management of Data, Vol 1, No. 3 (SIGMOD 2024)\n```\n\nSee you in [Santiago](https://2024.sigmod.org/)!\n\n### Included in this repository:\nThis repository implements OptiQL and several other baseline locks, along with index use cases (B+-tree and ART) that use OptiQL in optimistic lock coupling. See sub-directories for:\n* Index benchmarks:  under `index-benchmarks` directory \n* Microbenchmarks: under `latch-microbenchmarks` directory\n* Plotting scripts: under `plots` directory\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsfu-dis%2Foptiql","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsfu-dis%2Foptiql","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsfu-dis%2Foptiql/lists"}