{"id":16572824,"url":"https://github.com/lemire/concise","last_synced_at":"2025-07-04T08:04:29.605Z","repository":{"id":66055087,"uuid":"58008705","full_name":"lemire/Concise","owner":"lemire","description":"C++ implementation of Concise and WAH compressed bitsets","archived":false,"fork":false,"pushed_at":"2017-03-31T18:01:41.000Z","size":51,"stargazers_count":20,"open_issues_count":1,"forks_count":5,"subscribers_count":8,"default_branch":"master","last_synced_at":"2025-06-03T10:07:39.427Z","etag":null,"topics":["bitset","compression","wah","wah-compressed-bitsets"],"latest_commit_sha":null,"homepage":null,"language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/lemire.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","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":"2016-05-03T23:44:06.000Z","updated_at":"2024-12-24T12:58:56.000Z","dependencies_parsed_at":null,"dependency_job_id":"5125fe6e-351b-4018-bd31-81629aea999e","html_url":"https://github.com/lemire/Concise","commit_stats":null,"previous_names":[],"tags_count":9,"template":false,"template_full_name":null,"purl":"pkg:github/lemire/Concise","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lemire%2FConcise","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lemire%2FConcise/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lemire%2FConcise/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lemire%2FConcise/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/lemire","download_url":"https://codeload.github.com/lemire/Concise/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lemire%2FConcise/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":263472275,"owners_count":23471811,"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","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":["bitset","compression","wah","wah-compressed-bitsets"],"created_at":"2024-10-11T21:28:39.674Z","updated_at":"2025-07-04T08:04:29.572Z","avatar_url":"https://github.com/lemire.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Concise\n[![Build Status](https://travis-ci.org/lemire/Concise.png)](https://travis-ci.org/lemire/Concise)\n\nC++ implementation of CONCISE (COmpressed 'N' Composable Integer SEt) and WAH compressed bitsets.\nThe implementation is loosely based on Colantonio's original Java code.\n\nPre-requisite: gcc-like compiler (with C++11 support).\n\nUsage :\n\n```bash\nmake\n./unit\n```\n## Other libraries\n- See CRoaring https://github.com/RoaringBitmap/CRoaring\n- See EWAHBoolArray https://github.com/lemire/EWAHBoolArray\n- Git itself uses compressed bitsets https://github.com/git/git/tree/master/ewah\n\n## Warning\n\nThough this implementation is made freely available under the Apache License 2.0, WAH\nwas patented by its authors  and Concise is a derivative of WAH. I (Daniel Lemire) cannot garantee that this is\ncode can be safely used in commercial projects. Consult a lawyer.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flemire%2Fconcise","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flemire%2Fconcise","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flemire%2Fconcise/lists"}