{"adoption": {"forks": 1132, "observed_at": "2026-08-28T04:10:52.241918+00:00", "stars": 12278}, "canonical_url": "https://ross.abutalabs.com/products/cupy", "card": {"archived": false, "artifact_type": "library", "description": "NumPy & SciPy for GPU", "domain": ["machine-learning", "data-science", "gpu-computing", "deep-learning"], "enriched": true, "function": ["machine-learning", "data-science", "math", "gpu-computing", "deep-learning"], "health_score": 100, "homepage": "https://cupy.dev", "language": "Python", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["cupy/cupy"], "name": "cupy/cupy", "platform": ["windows", "python"], "pushed_at": "2026-08-25T19:47:29+00:00", "repo": "cupy/cupy", "stars": 12278, "tags": ["numpy", "scipy", "cuda", "rocm", "gpu-acceleration", "array-library", "drop-in-replacement", "cudnn", "nccl", "algorithms", "linux", "gpu"], "topics": ["cuda", "cudnn", "cublas", "cusolver", "nccl", "python", "numpy", "cupy", "curand", "cusparse", "gpu", "cutensor", "scipy", "nvtx", "nvrtc", "tensor", "cusparselt", "rocm"], "urls": [], "use_cases": ["accelerate numpy array computations on gpu", "run existing scipy code on gpu without rewriting", "write custom cuda kernels from python", "speed up numerical computing with gpu", "gpu-accelerated sparse matrix operations", "multi-gpu distributed array computations", "port numpy code to amd rocm gpus"], "what_it_is": "CuPy is a NumPy/SciPy-compatible array library for GPU-accelerated computing with Python, running on NVIDIA CUDA or AMD ROCm. It acts as a drop-in replacement for NumPy/SciPy code and provides low-level access to CUDA features like custom kernels, streams, and runtime APIs.", "when_to_avoid": ["you have no NVIDIA or AMD GPU available", "you need full NumPy/SciPy API coverage - some functions are missing or behave differently", "you need AMD ROCm support in production - it is still experimental", "you prefer a higher-level deep learning framework like PyTorch or JAX"], "when_to_choose": ["you have existing NumPy/SciPy code that needs GPU acceleration with minimal changes", "you need low-level CUDA access (RawKernels, streams, runtime APIs) from Python", "you want a mature, actively maintained GPU array library with broad CUDA library support (cuBLAS, cuDNN, NCCL, cuTENSOR)"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/cupy", "repo": "cupy/cupy", "role": "main", "score": 95}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:10:52.241918+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:14:11.806791+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cab45102981d45de4de5b03b4b42aab689eb275ae18cfd0f1d59c50456153cda", "fetched_at": "2026-08-28T04:10:52.241918+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cupy/cupy"}, {"content_hash": "861cf06fbc1957abef9887a5255fef3d96a0c34870ab21374eb76d454e0cbbeb", "fetched_at": "2026-08-29T08:11:33.489438+00:00", "kind": "homepage", "missing": false, "url": "https://cupy.dev"}, {"content_hash": "c4c63a651ede8487c27546c5f8bf87d23044a339539abb2df8a8aae93162b9ba", "fetched_at": "2026-08-29T08:11:33.498377+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/"}, {"content_hash": "c0aea12fedfcff34c9e20ce523a272f7c1c37eb6bb8b9738782b5e2cfd73a9b3", "fetched_at": "2026-08-29T08:11:33.500069+00:00", "kind": "site_page", "missing": false, "url": "https://docs.cupy.dev/en/stable/install.html"}, {"content_hash": "24415a4bb9d8c704c907244827c078ba654e3656dc09475e22ae9dc298726a92", "fetched_at": "2026-08-29T08:11:33.502227+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/cupy/json"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 86}, "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": 3592, "days_push": 8, "days_rel": 13, "gap_med": 38, "n_releases_24m": 10}, "score": 95, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}