{"adoption": {"forks": 1716, "observed_at": "2026-08-28T04:10:01.653035+00:00", "stars": 7563}, "canonical_url": "https://ross.abutalabs.com/products/openblas", "card": {"archived": false, "artifact_type": "library", "description": "OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. ", "domain": ["performance", "data-science", "machine-learning"], "enriched": true, "function": ["math", "benchmarking"], "health_score": 100, "homepage": "http://www.openblas.net", "language": "C", "license": "BSD-3-Clause", "license_family": "permissive", "maturity": "stable", "member_repos": ["OpenMathLib/OpenBLAS"], "name": "OpenMathLib/OpenBLAS", "platform": ["windows", "cross-platform", "cpp", "c"], "pushed_at": "2026-08-26T19:40:41+00:00", "repo": "OpenMathLib/OpenBLAS", "stars": 7563, "tags": ["blas", "lapack", "linear-algebra", "numerical-computing", "simd-optimization", "algorithms", "linux", "macos"], "topics": ["blas", "lapack", "lapacke"], "urls": [], "use_cases": ["speed up matrix multiplication in scientific computing", "fast linear algebra backend for numpy or scipy", "optimized BLAS routines for machine learning workloads", "solve linear systems and eigenvalue problems with LAPACK", "build numerical applications needing tuned kernels per CPU architecture"], "what_it_is": "OpenBLAS is an optimized open-source implementation of the BLAS (Basic Linear Algebra Subprograms) library, based on GotoBLAS2, with LAPACK included. It provides fast, hand-tuned linear algebra kernels for many CPU architectures.", "when_to_avoid": ["you need GPU-accelerated linear algebra (consider cuBLAS or similar)", "you only need simple matrix math without performance tuning (a higher-level library may suffice)", "you need a pure high-level API rather than low-level BLAS/LAPACK routines"], "when_to_choose": ["you need a fast, free BLAS/LAPACK implementation across many platforms and CPU architectures", "you want a drop-in replacement for reference netlib BLAS with much better performance", "you are building numerical, scientific, or ML software that depends on BLAS"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/openblas", "repo": "OpenMathLib/OpenBLAS", "role": "main", "score": 93}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:10:01.653035+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:37:22.200288+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cf50391a3347fbd48689a7064de05e50bb7cc41a37ef8f435c75e904a5d746f9", "fetched_at": "2026-08-28T04:10:01.653035+00:00", "kind": "readme", "missing": false, "url": "https://github.com/OpenMathLib/OpenBLAS"}, {"content_hash": "ad989afff5ece222439580bbb98ba56f9485309c9ef89d9fb1e7373f1fa1e0f5", "fetched_at": "2026-08-29T08:32:19.705456+00:00", "kind": "homepage", "missing": false, "url": "http://www.openblas.net"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 81}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 5700, "days_push": 7, "days_rel": 48, "gap_med": 84, "n_releases_24m": 6}, "score": 93, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}