{"id":20309254,"url":"https://github.com/cyring/crc32bench","last_synced_at":"2025-04-11T15:40:32.003Z","repository":{"id":92577065,"uuid":"111822476","full_name":"cyring/crc32bench","owner":"cyring","description":"CRC32 Benchmark for x86_64 processors","archived":false,"fork":false,"pushed_at":"2022-07-28T20:35:33.000Z","size":11,"stargazers_count":3,"open_issues_count":2,"forks_count":2,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-03-25T11:49:23.404Z","etag":null,"topics":["benchmark","crc32","optimization"],"latest_commit_sha":null,"homepage":"","language":"C","has_issues":false,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/cyring.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":"2017-11-23T15:02:34.000Z","updated_at":"2022-12-29T01:42:24.000Z","dependencies_parsed_at":null,"dependency_job_id":"ff732f31-90dc-4349-89df-412166a64f90","html_url":"https://github.com/cyring/crc32bench","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cyring%2Fcrc32bench","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cyring%2Fcrc32bench/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cyring%2Fcrc32bench/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cyring%2Fcrc32bench/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/cyring","download_url":"https://codeload.github.com/cyring/crc32bench/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248432872,"owners_count":21102461,"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":["benchmark","crc32","optimization"],"created_at":"2024-11-14T17:26:27.145Z","updated_at":"2025-04-11T15:40:31.994Z","avatar_url":"https://github.com/cyring.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# crc32bench\nCRC32 Benchmark for x86_64 processors\n\n##\t- Prerequisities -\n\t\tC compiler: gcc or clang\n\t\tTASKSET: part of the util-linux package\n\n##\t- Compilation -\n\t\tcc -Wall -O0 crc32bench.c -o crc32bench\n\n##\t- Input -\n\t\t# ASM version\n\t\ttaskset -c 1 ./crc32bench a GenuineIntel AuthenticAMD\n\n\t\t# C version\n\t\ttaskset -c 1 ./crc32bench c GenuineIntel AuthenticAMD\n\n##\t- Results (gcc) -\n\t\t# ASM version\n\t\tBenchmark = 8882632044 cycles\n\t\tcrc32bench(GenuineIntel,12) =\u003e 75a2ba39\n\t\tcrc32bench(GenuineIntel,12) =\u003e 75a2ba39\n\n\t\t# C version (gcc)\n\t\tBenchmark = 31046108769 cycles\n\t\tcrc32bench(GenuineIntel,12) =\u003e 75a2ba39\n\t\tcrc32bench(AuthenticAMD,12) =\u003e 3485bbd3\n\n\t\t# C version (clang)\n\t\tBenchmark = 17586801852 cycles\n\t\tcrc32bench(GenuineIntel,12) =\u003e 75a2ba39\n\t\tcrc32bench(AuthenticAMD,12) =\u003e 3485bbd3\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcyring%2Fcrc32bench","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcyring%2Fcrc32bench","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcyring%2Fcrc32bench/lists"}