{"adoption": {"forks": 128, "observed_at": "2026-08-28T04:05:47.796628+00:00", "stars": 1877}, "canonical_url": "https://ross.abutalabs.com/products/numkong", "card": {"archived": false, "artifact_type": "library", "description": "SIMD-accelerated distances, dot products, matrix ops, geospatial & geometric kernels for 16 numeric types — from 6-bit floats to 64-bit complex — across x86, Arm, RISC-V, and WASM, with bindings for Python, Rust, C, C++, Swift, JS, and Go 📐", "domain": ["performance", "machine-learning", "data-science", "developer-tools"], "enriched": true, "function": ["math", "benchmarking", "machine-learning", "geospatial", "search-engine"], "health_score": 99, "homepage": "https://ashvardanian.com/posts/numkong", "language": "C", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["ashvardanian/NumKong"], "name": "ashvardanian/NumKong", "platform": ["python", "rust", "cpp", "go", "wasm", "cross-platform"], "pushed_at": "2026-08-22T20:50:42+00:00", "repo": "ashvardanian/NumKong", "stars": 1877, "tags": ["simd", "blas", "linear-algebra", "mixed-precision", "dot-product", "matrix-multiplication", "vector-search", "arm-neon", "amx", "sme", "risc-v", "numpy", "scipy", "tensors", "distance-metrics", "algorithms", "javascript", "swift", "gpu"], "topics": ["arm-neon", "assembly", "metrics", "simd", "information-retrieval", "numpy", "scipy", "vector-search", "blas", "matrix-multiplication", "rust", "tensor", "cpp", "golang", "javascript", "swift"], "urls": [], "use_cases": ["compute dot products and distances faster than numpy or scipy", "run mixed-precision matrix multiplication on cpu", "accelerate vector search similarity metrics with simd", "calculate geodesic distances faster than geopy", "score colbert maxsim late interaction without a gpu", "use low-precision int4 and float6 kernels in python", "run blask-like math in webassembly in the browser"], "what_it_is": "NumKong is a mixed-precision numeric and linear-algebra library with ~2,000 SIMD-accelerated kernels for dot products, distances, matrix multiplication, geospatial, and geometric computations across 15+ numeric types (from 4-bit integers and 6-bit floats to 128-bit complex). It targets x86, Arm, RISC-V, LoongArch, Power, and WebAssembly, with bindings for C, C++, Python, Rust, JavaScript, Go, and Swift.", "when_to_avoid": ["you need GPU or distributed training workloads where PyTorch/JAX excel", "you need the full BLAS/LAPACK API surface (eigen decomposition, solvers)", "you rely on a mature ecosystem with long-term community support"], "when_to_choose": ["you need fast, numerically stable low-precision math (int8, fp16, bf16, fp6) on cpu", "you want a tiny, dependency-free BLAS-like library with multi-language bindings", "you need SIMD portability across x86, Arm, RISC-V, and WASM", "you need single-call low latency rather than graph-based throughput frameworks"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/numkong", "repo": "ashvardanian/NumKong", "role": "main", "score": 93}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.796628+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:14:41.680635+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4b64402e5b1cdc1bc7a053f56a3d012ea22bfc9f23c9905b603f62b315c453ce", "fetched_at": "2026-08-28T04:05:47.796628+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ashvardanian/NumKong"}, {"content_hash": "c40d09ab4879f25ca73788b95018993bc9027803215424557fa06389d9605238", "fetched_at": "2026-08-29T10:53:25.843533+00:00", "kind": "homepage", "missing": false, "url": "https://ashvardanian.com/posts/numkong"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 90, "rhythm": 87}, "computed_at": "2026-09-03T02:39:23.370411+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1268, "days_push": 11, "days_rel": 11, "gap_med": 1, "n_releases_24m": 106}, "score": 93, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}