{"id":16857094,"url":"https://github.com/jangorecki/rollbench","last_synced_at":"2026-04-13T08:31:08.471Z","repository":{"id":198244297,"uuid":"700386467","full_name":"jangorecki/rollbench","owner":"jangorecki","description":"rolling statistics benchmark","archived":false,"fork":false,"pushed_at":"2025-10-04T08:48:18.000Z","size":21,"stargazers_count":0,"open_issues_count":0,"forks_count":1,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-10-25T11:51:12.709Z","etag":null,"topics":["benchmark","data-table","pandas","polars","rolling-windows"],"latest_commit_sha":null,"homepage":"","language":"R","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/jangorecki.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,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2023-10-04T13:56:05.000Z","updated_at":"2025-10-04T08:48:21.000Z","dependencies_parsed_at":"2025-10-25T11:48:37.106Z","dependency_job_id":null,"html_url":"https://github.com/jangorecki/rollbench","commit_stats":null,"previous_names":["jangorecki/rollbench"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/jangorecki/rollbench","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jangorecki%2Frollbench","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jangorecki%2Frollbench/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jangorecki%2Frollbench/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jangorecki%2Frollbench/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/jangorecki","download_url":"https://codeload.github.com/jangorecki/rollbench/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jangorecki%2Frollbench/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31746101,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-13T06:26:45.479Z","status":"ssl_error","status_checked_at":"2026-04-13T06:26:44.645Z","response_time":93,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"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":["benchmark","data-table","pandas","polars","rolling-windows"],"created_at":"2024-10-13T14:06:41.732Z","updated_at":"2026-04-13T08:31:08.445Z","avatar_url":"https://github.com/jangorecki.png","language":"R","funding_links":[],"categories":[],"sub_categories":[],"readme":"\n# mini rolling statistics benchmark\n\nCompares python pandas, R data.table and R polars by:\n\n- input size: `1e6, 1e7, 1e8`\n- rolling window size: `1e2, 1e3, 1e4`\n- rolling functions: `mean` and `median`\n- batching: `single` computation and `quadruple` (2 columns x 2 windows) computation\n\nFor comprehensive benchmark of rolling functions see [db-benchmark](https://github.com/duckdblabs/db-benchmark/pull/9) project.\n\n## running\n\n```sh\npython pandas2.py\nRscript data.table.R\nRscript polars.R\n```\n\n## results\n\nAs of 2025-09-16 using\n\n```\npandas 2.2.3\ndata.table@1.17.99\npolars 1.3.1\n```\n\n![mean single](https://github.com/user-attachments/assets/666aea13-0947-4753-a1ab-214b8ec20f6e)\n![mean quadruple](https://github.com/user-attachments/assets/f5f29a64-a58a-413d-bb12-1a32269b1ea7)\n![median single](https://github.com/user-attachments/assets/9d94f0b7-b4c0-44da-9c34-54bc2a8fb784)\n![median quadruple](https://github.com/user-attachments/assets/e328703b-fca9-45a8-b885-a8efb4bcd505)\n\nOn Fedora 42 and AMD Ryzen 7 7735HS CPU.\n\n## license\n\nMIT\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjangorecki%2Frollbench","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjangorecki%2Frollbench","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjangorecki%2Frollbench/lists"}