{"adoption": {"forks": 171, "observed_at": "2026-08-28T04:04:10.521020+00:00", "stars": 1264}, "canonical_url": "https://ross.abutalabs.com/products/hollance-forge", "card": {"archived": false, "artifact_type": "library", "description": "A neural network toolkit for Metal", "domain": ["deep-learning", "machine-learning", "mobile-development", "apple-ecosystem"], "enriched": true, "function": ["deep-learning", "machine-learning", "image-processing", "developer-tools"], "health_score": 20, "homepage": null, "language": "Swift", "license": "MIT", "license_family": "permissive", "maturity": "abandoned", "member_repos": ["hollance/Forge"], "name": "hollance/Forge", "platform": [], "pushed_at": "2018-05-18T20:25:35+00:00", "repo": "hollance/Forge", "stars": 1264, "tags": ["metal", "mps-cnn", "neural-networks", "core-ml", "mobilenet", "gpu-acceleration", "unmaintained", "ios", "macos", "swift", "gpu"], "topics": ["metal", "deep-learning", "deep-neural-networks", "neural-network", "ios", "swift", "mobilenets", "machine-learning"], "urls": [], "use_cases": ["build a neural network on iOS using Metal performance shaders", "run MobileNet or SSD inference fast on iPhone GPU", "convert MPSImage and MTLTexture data to Swift Float arrays", "define CNN layers with a simple Swift DSL instead of MPSCNN boilerplate", "implement custom Metal compute kernels for deep learning layers", "debug and inspect intermediate outputs of a Metal neural network"], "what_it_is": "Forge is a Swift library that wraps Apple's MPSCNN (Metal Performance Shaders CNN) framework to make it easier to build and run deep neural networks on iOS and macOS GPUs. It provides a DSL for layer creation, data conversion helpers, custom layers like depth-wise convolution, and pretrained example models such as LeNet-5, Inception, and MobileNets.", "when_to_avoid": ["you target modern iOS versions, since the MPSCNN API it uses is no longer supported", "you want a maintained library, as the author explicitly no longer maintains it", "Core ML meets your performance needs on current Apple platforms"], "when_to_choose": ["you need GPU-accelerated neural network inference on iOS 10/11 faster than Core ML", "you want to learn how CNNs are implemented with Metal performance shaders", "you need custom layers like depth-wise convolution on top of MPSCNN"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/hollance-forge", "repo": "hollance/Forge", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:10.521020+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T05:04:03.022102+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9ef51216a08c239b8bf308ce7edc6cbbaa8f3beca3da3ec80a2c5fbb53b08ae1", "fetched_at": "2026-08-28T04:04:10.521020+00:00", "kind": "readme", "missing": false, "url": "https://github.com/hollance/Forge"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3419, "days_push": 3029, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}