{"adoption": {"forks": 465, "observed_at": "2026-08-28T04:09:19.862342+00:00", "stars": 5495}, "canonical_url": "https://ross.abutalabs.com/products/mosaicml-composer", "card": {"archived": false, "artifact_type": "library", "description": "Supercharge Your Model Training", "domain": ["deep-learning", "machine-learning", "large-language-models", "gpu-computing"], "enriched": true, "function": ["deep-learning", "llm-training", "machine-learning", "gpu-computing"], "health_score": 82, "homepage": "http://docs.mosaicml.com", "language": "Python", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["mosaicml/composer"], "name": "mosaicml/composer", "platform": ["python", "cloud"], "pushed_at": "2026-04-29T18:58:33+00:00", "repo": "mosaicml/composer", "stars": 5495, "tags": ["pytorch", "distributed-training", "training-efficiency", "mosaicml", "neural-networks", "gpu", "linux", "docker"], "topics": ["deep-learning", "pytorch", "neural-networks", "ml-systems", "ml-efficiency", "ml-training", "machine-learning", "neural-network"], "urls": [], "use_cases": ["train large language models on multi-node GPU clusters", "speed up PyTorch training of transformer models", "fine-tune BERT-style embedding models efficiently", "train diffusion models at scale", "run distributed CNN training experiments faster", "reduce GPU training costs for deep learning workloads"], "what_it_is": "Composer is an open-source PyTorch-based deep learning training library by MosaicML (now Databricks) for training neural networks faster and at lower cost. It abstracts distributed training, parallelism, data loading, and memory optimization for large-scale multi-node GPU clusters.", "when_to_avoid": ["you need a lightweight single-GPU training loop with minimal dependencies", "your project uses TensorFlow or JAX instead of PyTorch", "you need inference or serving rather than training"], "when_to_choose": ["you train neural networks on multi-GPU or multi-node clusters", "you want distributed training best practices without writing parallelism code yourself", "you are training LLMs, diffusion models, or transformers in PyTorch"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/mosaicml-composer", "repo": "mosaicml/composer", "role": "main", "score": 65}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:09:19.862342+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:56:19.670665+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "002f215e962a9bb326deb485460082a8069859d45180e1e6035a63943122a7f2", "fetched_at": "2026-08-28T04:09:19.862342+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mosaicml/composer"}, {"content_hash": "f938805a13f59078b60d784416cfdd0a40482c205c0629e1738b306ef37efe6e", "fetched_at": "2026-08-29T08:51:32.903108+00:00", "kind": "homepage", "missing": false, "url": "http://docs.mosaicml.com"}, {"content_hash": "baef9b2db5a213181ddc5ba4171672dfdea2f93a9bc12f45d9c892d8e5718467", "fetched_at": "2026-08-29T08:51:32.911952+00:00", "kind": "site_page", "missing": false, "url": "https://docs.mosaicml.com/en/latest/faq.html"}, {"content_hash": "805d3671e15460a04732443962baa94e2f282cae71e6961faf79fc71cffff7ad", "fetched_at": "2026-08-29T08:51:32.913765+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/composer/json"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 79, "longevity": 100, "rhythm": 28}, "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": 1787, "days_push": 126, "days_rel": 404, "gap_med": 31, "n_releases_24m": 10}, "score": 65, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}