{"adoption": {"forks": 78, "observed_at": "2026-08-28T04:03:55.412670+00:00", "stars": 1189}, "canonical_url": "https://ross.abutalabs.com/products/keops", "card": {"archived": false, "artifact_type": "library", "description": "KErnel OPerationS, on CPUs and GPUs, with autodiff and without memory overflows", "domain": ["machine-learning", "gpu-computing", "mathematics"], "enriched": true, "function": ["math", "machine-learning", "gpu-computing", "benchmarking"], "health_score": 88, "homepage": "https://www.kernel-operations.io", "language": "Python", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["getkeops/keops"], "name": "getkeops/keops", "platform": ["python", "cross-platform"], "pushed_at": "2026-07-17T15:05:52+00:00", "repo": "getkeops/keops", "stars": 1189, "tags": ["kernel-operations", "autodiff", "cuda", "pytorch", "numpy", "nearest-neighbors", "point-clouds", "symbolic-tensors", "algorithms", "gpu"], "topics": [], "urls": [], "use_cases": ["compute kernel matrix-vector products that don't fit in GPU memory", "fast K-nearest neighbors search on large point clouds", "N-body interaction simulations with gradients", "point cloud convolutions for geometric deep learning", "autodiff through kernel operations in PyTorch", "speed up Gaussian kernel computations by 10-100x over PyTorch"], "what_it_is": "KeOps (pykeops) is a Python library for computing kernel reductions over large arrays on CPUs and GPUs using efficient C++/CUDA routines with automatic differentiation. It avoids materializing full kernel or distance matrices, enabling memory-efficient KNN queries, N-body interactions, and point cloud convolutions.", "when_to_avoid": ["you need simple dense linear algebra that standard BLAS/PyTorch handles fine", "your project requires pure Python without C++/CUDA compilation", "you work on small datasets where the overhead isn't worth it"], "when_to_choose": ["you need kernel or distance computations on millions of points without memory overflows", "you want autodiff-capable geometric operations in NumPy, PyTorch, Matlab, or R", "geometric deep learning or kernel methods are memory-bound in your pipeline"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/keops", "repo": "getkeops/keops", "role": "main", "score": 65}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:03:55.412670+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T06:23:09.298735+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7014761119a75847465231792cf93daa16555c3187b139c8872395f06f305d98", "fetched_at": "2026-08-28T04:03:55.412670+00:00", "kind": "readme", "missing": false, "url": "https://github.com/getkeops/keops"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T12:30:45.447814+00:00", "kind": "homepage", "missing": false, "url": "https://www.kernel-operations.io"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 93, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2694, "days_push": 47, "days_rel": 502, "gap_med": null, "n_releases_24m": 1}, "score": 65, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}