{"adoption": {"forks": 1638, "observed_at": "2026-08-28T04:10:46.002202+00:00", "stars": 11065}, "canonical_url": "https://ross.abutalabs.com/products/jemalloc", "card": {"archived": false, "artifact_type": "library", "description": null, "domain": ["developer-tools", "performance", "operating-systems"], "enriched": true, "function": ["developer-tools", "monitoring"], "health_score": 96, "homepage": "http://jemalloc.net/", "language": "C", "license": "NOASSERTION", "license_family": "other", "maturity": "stable", "member_repos": ["jemalloc/jemalloc"], "name": "jemalloc/jemalloc", "platform": ["bsd", "cpp", "c", "cross-platform"], "pushed_at": "2026-08-10T13:16:09+00:00", "repo": "jemalloc/jemalloc", "stars": 11065, "tags": ["memory-allocator", "malloc", "heap-profiling", "fragmentation", "concurrency", "performance", "linux", "macos"], "topics": [], "urls": [], "use_cases": ["reduce memory fragmentation in long-running server applications", "replace the system malloc for better multi-threaded allocation performance", "profile heap usage and debug memory issues in C/C++ programs", "tune allocator behavior for demanding applications", "use as the system allocator on FreeBSD"], "what_it_is": "jemalloc is a general-purpose malloc(3) memory allocator implementation emphasizing fragmentation avoidance and scalable concurrency support. It originated as the FreeBSD libc allocator and includes developer features such as heap profiling and extensive monitoring and tuning hooks.", "when_to_avoid": ["you need a simple allocator for a small single-threaded program where the system malloc suffices", "you want a modern allocator with a different feature set like mimalloc or snmalloc"], "when_to_choose": ["your application suffers from heap fragmentation or allocator contention under high concurrency", "you need heap profiling and introspection hooks", "you want a battle-tested allocator with predictable behavior"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/jemalloc", "repo": "jemalloc/jemalloc", "role": "main", "score": 80}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:10:46.002202+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:16:49.752868+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a40be363759d60477125522ca4a1ff261318ba97ead7cb421202ec5e670b5ea1", "fetched_at": "2026-08-28T04:10:46.002202+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jemalloc/jemalloc"}, {"content_hash": "ac030133e1c29b81209e0b121a40631ac97eb39073fb333556a4a3830c78be4f", "fetched_at": "2026-08-29T08:15:31.698807+00:00", "kind": "homepage", "missing": false, "url": "http://jemalloc.net/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 97, "longevity": 100, "rhythm": 47}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4717, "days_push": 23, "days_rel": 142, "gap_med": null, "n_releases_24m": 1}, "score": 80, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}