{"schema_version":"onlylabs.public_signal.v1","title":"CoreWeave Repo: coreweave/nccl-tests","description":"CoreWeave repo signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/3b947960-9bf9-4ede-b884-e0700fbbdc38","json_url":"https://onlylabs.fyi/signals/3b947960-9bf9-4ede-b884-e0700fbbdc38/signal.json","generated_at":"2026-06-11T04:10:42.928799+00:00","org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud","category_label":"Neocloud","dossier_url":"https://onlylabs.fyi/labs/coreweave","dossier_json_url":"https://onlylabs.fyi/labs/coreweave/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/3b947960-9bf9-4ede-b884-e0700fbbdc38","signal_json":"https://onlylabs.fyi/signals/3b947960-9bf9-4ede-b884-e0700fbbdc38/signal.json","source":"https://github.com/coreweave/nccl-tests","lab_dossier":"https://onlylabs.fyi/labs/coreweave","lab_dossier_json":"https://onlylabs.fyi/labs/coreweave/dossier.json","analysis":"https://onlylabs.fyi/analysis/coreweave","analysis_json":"https://onlylabs.fyi/analysis/coreweave/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/coreweave/evidence.json","category":"https://onlylabs.fyi/neoclouds","category_json":"https://onlylabs.fyi/neoclouds.json","category_feed":"https://onlylabs.fyi/neoclouds/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neocloud","topic":null,"topic_signals_json":null,"topic_feed":null,"data_business":null},"answer_pack":{"answer":"CoreWeave published coreweave/nccl-tests (Shell). This repository signal exposes tooling, eval, infrastructure, or model-adjacent work before it may appear in a launch post. High-signal details: repo coreweave/nccl-tests · language Shell. onlylabs links this event to 1 captured evidence page and 6 related repo signals.","signal_desk":"repos","source_context":{"source_url":"https://github.com/coreweave/nccl-tests","source_host":"github.com","occurred_at":"2022-06-29T10:49:49+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source","context":"Shell"},"context_markers":[{"label":"Lab","value":"CoreWeave","source":"signal"},{"label":"Signal desk","value":"repos","source":"signal"},{"label":"Source host","value":"github.com","source":"source"},{"label":"Repository","value":"coreweave/nccl-tests","source":"source"},{"label":"Language","value":"Shell","source":"source"},{"label":"Stars","value":"146","source":"traction"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"}],"evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/coreweave/nccl-tests"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T04:10:42.928799+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/3b947960-9bf9-4ede-b884-e0700fbbdc38/signal.json","dossier_json":"https://onlylabs.fyi/labs/coreweave/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/coreweave/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/coreweave/evidence.json","topic_signals_json":null,"topic_feed":null,"category_signals_json":"https://onlylabs.fyi/signals.json?category=neocloud","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn new repository signals into early evidence of tooling, eval, infrastructure, model-adjacent, or product work before it appears in polished launch channels.","evidence_focus":["repo name","owner","description","language","stars","source URL","first seen time","data, eval, infra, safety, and product terms"],"extraction_questions":["What technical area does this repository expose?","Does the repo imply eval, data, infrastructure, agent, or deployment work?","Is the repo new evidence for a lab direction that is not yet in writing or releases?","Which related signals should an analyst inspect next?"],"signal_questions":["What does this new repository reveal before a formal announcement exists?","What technical area does this repository expose?","Does the repo imply eval, data, infrastructure, agent, or deployment work?","Do the 6 related repo signals show a repeated pattern?"],"output_fields":["org","repo","technical_theme","evidence_url"],"data_business_relevance":"Data-business lane extraction is scoped to frontier labs; for this category, interpret the repository as source-grounded category strategy evidence.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/3b947960-9bf9-4ede-b884-e0700fbbdc38/signal.json","required":true},{"label":"source","url":"https://github.com/coreweave/nccl-tests","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/coreweave/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/coreweave/evidence.json","required":true},{"label":"topic_signals_json","url":null,"required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze CoreWeave's repo signal \"coreweave/nccl-tests\" for neocloud strategy."},"semantic_triples":[{"subject":"CoreWeave","predicate":"published repo","object":"coreweave/nccl-tests","text":"CoreWeave published repo coreweave/nccl-tests."},{"subject":"coreweave/nccl-tests","predicate":"is classified as","object":"repo signal","text":"coreweave/nccl-tests is classified as repo signal."},{"subject":"coreweave/nccl-tests","predicate":"belongs to","object":"repos desk","text":"coreweave/nccl-tests belongs to repos desk."},{"subject":"coreweave/nccl-tests","predicate":"has context","object":"Shell","text":"coreweave/nccl-tests has context Shell."},{"subject":"coreweave/nccl-tests","predicate":"has evidence coverage","object":"1 captured evidence page","text":"coreweave/nccl-tests has evidence coverage 1 captured evidence page."},{"subject":"coreweave/nccl-tests","predicate":"has captured page count","object":"1","text":"coreweave/nccl-tests has captured page count 1."},{"subject":"coreweave/nccl-tests","predicate":"has readable page count","object":"1","text":"coreweave/nccl-tests has readable page count 1."},{"subject":"coreweave/nccl-tests","predicate":"has related signal count","object":"6","text":"coreweave/nccl-tests has related signal count 6."},{"subject":"coreweave/nccl-tests","predicate":"has analysis playbook objective","object":"Turn new repository signals into early evidence of tooling, eval, infrastructure, model-adjacent, or product work before it appears in polished launch channels.","text":"coreweave/nccl-tests has analysis playbook objective Turn new repository signals into early evidence of tooling, eval, infrastructure, model-adjacent, or product work before it appears in polished launch channels.."},{"subject":"coreweave/nccl-tests","predicate":"has source host","object":"github.com","text":"coreweave/nccl-tests has source host github.com."},{"subject":"coreweave/nccl-tests","predicate":"has lab","object":"CoreWeave","text":"coreweave/nccl-tests has lab CoreWeave."},{"subject":"coreweave/nccl-tests","predicate":"has signal desk","object":"repos","text":"coreweave/nccl-tests has signal desk repos."},{"subject":"coreweave/nccl-tests","predicate":"has source host","object":"github.com","text":"coreweave/nccl-tests has source host github.com."},{"subject":"coreweave/nccl-tests","predicate":"has repository","object":"coreweave/nccl-tests","text":"coreweave/nccl-tests has repository coreweave/nccl-tests."},{"subject":"coreweave/nccl-tests","predicate":"has language","object":"Shell","text":"coreweave/nccl-tests has language Shell."},{"subject":"coreweave/nccl-tests","predicate":"has stars","object":"146","text":"coreweave/nccl-tests has stars 146."},{"subject":"coreweave/nccl-tests","predicate":"has watch term","object":"Eval methodology","text":"coreweave/nccl-tests has watch term Eval methodology."},{"subject":"coreweave/nccl-tests","predicate":"has watch term","object":"Infrastructure","text":"coreweave/nccl-tests has watch term Infrastructure."}]},"intelligence":{"signal_desk":"repos","answer":"CoreWeave published coreweave/nccl-tests (Shell). This repository signal exposes tooling, eval, infrastructure, or model-adjacent work before it may appear in a launch post. High-signal details: repo coreweave/nccl-tests · language Shell. onlylabs links this event to 1 captured evidence page and 6 related repo signals.","semantic_triples":[{"subject":"CoreWeave","predicate":"published repo","object":"coreweave/nccl-tests","text":"CoreWeave published repo coreweave/nccl-tests."},{"subject":"coreweave/nccl-tests","predicate":"is classified as","object":"repo signal","text":"coreweave/nccl-tests is classified as repo signal."},{"subject":"coreweave/nccl-tests","predicate":"belongs to","object":"repos desk","text":"coreweave/nccl-tests belongs to repos desk."},{"subject":"coreweave/nccl-tests","predicate":"has context","object":"Shell","text":"coreweave/nccl-tests has context Shell."},{"subject":"coreweave/nccl-tests","predicate":"has evidence coverage","object":"1 captured evidence page","text":"coreweave/nccl-tests has evidence coverage 1 captured evidence page."}]},"signal":{"id":"3b947960-9bf9-4ede-b884-e0700fbbdc38","url":"https://onlylabs.fyi/signals/3b947960-9bf9-4ede-b884-e0700fbbdc38","json_url":"https://onlylabs.fyi/signals/3b947960-9bf9-4ede-b884-e0700fbbdc38/signal.json","source_url":"https://github.com/coreweave/nccl-tests","title":"coreweave/nccl-tests","summary":"CoreWeave published a new repository. onlylabs watches repos for tooling, eval, infra, and model-adjacent work.","context":"Shell","kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2022-06-29T10:49:49+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/coreweave/nccl-tests"]},"facets":{"repo":"coreweave/nccl-tests","language":"Shell"},"traction":{"github_stars":146,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"url":"https://github.com/coreweave/nccl-tests","final_url":"https://github.com/coreweave/nccl-tests","title":"coreweave/nccl-tests repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T04:10:42.928799+00:00","bytes":22477,"raw_path":"0026d291be84cda5fad677613b5276e1b90fd572cf36bcd71467df0cd7fb4298.json","content_hash":"341bf782b6ec35e41688189eae9e1dea16a8cc047bc4875e8b72c14c7fa02413","excerpt_chars":1200,"truncated":true,"excerpt":"coreweave/nccl-tests Description: NVIDIA NCCL Tests for Distributed Training Language: Shell Stars: 146 Forks: 32 Open issues: 6 Created: 2022-06-29T10:49:49Z Pushed: 2026-06-10T16:04:56Z Default branch: master Fork: no Archived: no README: NCCL for Distributed Training CoreWeave supports the [NVIDIA Collective Communication Library (NCCL)](https://developer.nvidia.com/nccl) for powering multi-GPU and multi-node neural network training. NCCL underpins the vast majority of all distributed training frameworks such as [DeepSpeed](https://github.com/microsoft/DeepSpeed), [PyTorch Distributed](https://pytorch.org/tutorials/beginner/dist_overview.html) and [Horovod](https://horovod.readthedocs.io/en/stable/gpus_include.html). NCCL is supported across CoreWeave NVIDIA GPUs over Ethernet and InfiniBand. In addition, the specialized GB200 NVL72 clusters are built with [NVIDIA Quantum-X800 InfiniBand](https://www.nvidia.com/en-us/networking/products/infiniband/quantum-x800/) networking and in-network collections using [NVIDIA SHARP](https://docs.nvidia.com/networking/display/sharpv300/introduction) to deliver the highest distributed training performance possible. * [NCCL for Distributed..."},"evidence_pages":[{"url":"https://github.com/coreweave/nccl-tests","final_url":"https://github.com/coreweave/nccl-tests","title":"coreweave/nccl-tests repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T04:10:42.928799+00:00","bytes":22477,"raw_path":"0026d291be84cda5fad677613b5276e1b90fd572cf36bcd71467df0cd7fb4298.json","content_hash":"341bf782b6ec35e41688189eae9e1dea16a8cc047bc4875e8b72c14c7fa02413","excerpt_chars":1200,"truncated":true,"excerpt":"coreweave/nccl-tests Description: NVIDIA NCCL Tests for Distributed Training Language: Shell Stars: 146 Forks: 32 Open issues: 6 Created: 2022-06-29T10:49:49Z Pushed: 2026-06-10T16:04:56Z Default branch: master Fork: no Archived: no README: NCCL for Distributed Training CoreWeave supports the [NVIDIA Collective Communication Library (NCCL)](https://developer.nvidia.com/nccl) for powering multi-GPU and multi-node neural network training. NCCL underpins the vast majority of all distributed training frameworks such as [DeepSpeed](https://github.com/microsoft/DeepSpeed), [PyTorch Distributed](https://pytorch.org/tutorials/beginner/dist_overview.html) and [Horovod](https://horovod.readthedocs.io/en/stable/gpus_include.html). NCCL is supported across CoreWeave NVIDIA GPUs over Ethernet and InfiniBand. In addition, the specialized GB200 NVL72 clusters are built with [NVIDIA Quantum-X800 InfiniBand](https://www.nvidia.com/en-us/networking/products/infiniband/quantum-x800/) networking and in-network collections using [NVIDIA SHARP](https://docs.nvidia.com/networking/display/sharpv300/introduction) to deliver the highest distributed training performance possible. * [NCCL for Distributed..."}],"related_signals":[{"id":"422ade4e-b6f6-4ef8-954b-6437047b1709","url":"https://onlylabs.fyi/signals/422ade4e-b6f6-4ef8-954b-6437047b1709","source_url":"https://github.com/coreweave/cwsandbox-client","title":"coreweave/cwsandbox-client","context":"Python","kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-12-15T22:40:36+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"88a0f25a-16fa-49b7-a51d-84c60d8f0a14","url":"https://onlylabs.fyi/signals/88a0f25a-16fa-49b7-a51d-84c60d8f0a14","source_url":"https://github.com/coreweave/cwic","title":"coreweave/cwic","context":null,"kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-10-10T17:23:31+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"71bbfc16-e5cf-43a5-8874-5c7f3f6846bc","url":"https://onlylabs.fyi/signals/71bbfc16-e5cf-43a5-8874-5c7f3f6846bc","source_url":"https://github.com/coreweave/actions-public","title":"coreweave/actions-public","context":"JavaScript","kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-04-23T18:33:02+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"d7f3556b-5171-40bb-8486-447bf8050fe3","url":"https://onlylabs.fyi/signals/d7f3556b-5171-40bb-8486-447bf8050fe3","source_url":"https://github.com/coreweave/reference-architecture","title":"coreweave/reference-architecture","context":"Python","kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-04-14T14:33:44+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"3b73a958-d528-40d5-b0ac-c33fb80cf74f","url":"https://onlylabs.fyi/signals/3b73a958-d528-40d5-b0ac-c33fb80cf74f","source_url":"https://github.com/coreweave/slurm-containers","title":"coreweave/slurm-containers","context":"Dockerfile","kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-03-12T20:12:00+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"35194cb7-5cd9-469b-a8b6-076dacfedbe9","url":"https://onlylabs.fyi/signals/35194cb7-5cd9-469b-a8b6-076dacfedbe9","source_url":"https://github.com/coreweave/ioperftest","title":"coreweave/ioperftest","context":"Python","kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-01-31T14:50:59+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"}]}