{"schema_version":"onlylabs.public_signal.v1","title":"Meituan (LongCat) Fork: meituan-longcat/DeepGEMM","description":"Meituan (LongCat) fork signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/a3858646-3e64-4e48-9b10-d3064afdfa92","json_url":"https://onlylabs.fyi/signals/a3858646-3e64-4e48-9b10-d3064afdfa92/signal.json","generated_at":"2026-06-11T02:43:15.118377+00:00","org":{"slug":"meituan","name":"Meituan (LongCat)","category":"neolab","category_label":"Neolab","dossier_url":"https://onlylabs.fyi/labs/meituan","dossier_json_url":"https://onlylabs.fyi/labs/meituan/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/a3858646-3e64-4e48-9b10-d3064afdfa92","signal_json":"https://onlylabs.fyi/signals/a3858646-3e64-4e48-9b10-d3064afdfa92/signal.json","source":"https://github.com/meituan-longcat/DeepGEMM","lab_dossier":"https://onlylabs.fyi/labs/meituan","lab_dossier_json":"https://onlylabs.fyi/labs/meituan/dossier.json","analysis":"https://onlylabs.fyi/analysis/meituan","analysis_json":"https://onlylabs.fyi/analysis/meituan/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/meituan/evidence.json","category":"https://onlylabs.fyi/neolabs","category_json":"https://onlylabs.fyi/neolabs.json","category_feed":"https://onlylabs.fyi/neolabs/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neolab","topic":"https://onlylabs.fyi/topics/forks","topic_signals_json":"https://onlylabs.fyi/topics/forks/signals.json?category=neolab","topic_feed":"https://onlylabs.fyi/topics/forks/feed.xml?category=neolab","data_business":null},"answer_pack":{"answer":"Meituan (LongCat) forked meituan-longcat/DeepGEMM (forked from deepseek-ai/DeepGEMM). This fork signal points to upstream code the lab may be inspecting, patching, or building on. High-signal details: repo meituan-longcat/DeepGEMM · parent deepseek-ai/DeepGEMM · Routine fork, no traction. onlylabs links this event to 1 captured evidence page and 5 related fork signals.","signal_desk":"forks","source_context":{"source_url":"https://github.com/meituan-longcat/DeepGEMM","source_host":"github.com","occurred_at":"2026-02-05T08:56:52+00:00","first_seen_at":"2026-06-05T20:58:48.478227+00:00","date_source":"source","context":"forked from deepseek-ai/DeepGEMM"},"context_markers":[{"label":"Lab","value":"Meituan (LongCat)","source":"signal"},{"label":"Signal desk","value":"forks","source":"signal"},{"label":"Source host","value":"github.com","source":"source"},{"label":"Repository","value":"meituan-longcat/DeepGEMM","source":"source"},{"label":"Parent","value":"deepseek-ai/DeepGEMM","source":"source"},{"label":"Notability","value":"Routine fork, no traction","source":"signal"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and alignment","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/meituan-longcat/DeepGEMM"],"related_signals":5,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T02:43:15.118377+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/a3858646-3e64-4e48-9b10-d3064afdfa92/signal.json","dossier_json":"https://onlylabs.fyi/labs/meituan/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/meituan/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/meituan/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/forks/signals.json?category=neolab","topic_feed":"https://onlylabs.fyi/topics/forks/feed.xml?category=neolab","category_signals_json":"https://onlylabs.fyi/signals.json?category=neolab","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.","evidence_focus":["forked parent repo","repo owner","language","description","stars","org and recency"],"extraction_questions":["Which upstream projects are repeated across labs?","Which forks point to evals, agents, infrastructure, model tooling, or data pipelines?","Which low-profile forks could precede a release or hiring wave?","Which labs are converging on the same technical adjacency?"],"signal_questions":["What upstream dependency or technical adjacency does this fork reveal?","Which upstream projects are repeated across labs?","Which forks point to evals, agents, infrastructure, model tooling, or data pipelines?","Do the 5 related fork signals show a repeated pattern?"],"output_fields":["org","upstream_repo","language","technical_theme","evidence_url"],"data_business_relevance":"Data-business lane extraction is scoped to frontier labs; for this category, keep conclusions tied to category-specific strategy, source evidence, and follow-up questions.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/a3858646-3e64-4e48-9b10-d3064afdfa92/signal.json","required":true},{"label":"source","url":"https://github.com/meituan-longcat/DeepGEMM","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/meituan/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/meituan/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/forks/signals.json?category=neolab","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 Meituan (LongCat)'s fork signal \"meituan-longcat/DeepGEMM\" for neolab strategy."},"semantic_triples":[{"subject":"Meituan (LongCat)","predicate":"forked","object":"meituan-longcat/DeepGEMM","text":"Meituan (LongCat) forked meituan-longcat/DeepGEMM."},{"subject":"meituan-longcat/DeepGEMM","predicate":"is classified as","object":"fork signal","text":"meituan-longcat/DeepGEMM is classified as fork signal."},{"subject":"meituan-longcat/DeepGEMM","predicate":"belongs to","object":"forks desk","text":"meituan-longcat/DeepGEMM belongs to forks desk."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has context","object":"forked from deepseek-ai/DeepGEMM","text":"meituan-longcat/DeepGEMM has context forked from deepseek-ai/DeepGEMM."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has evidence coverage","object":"1 captured evidence page","text":"meituan-longcat/DeepGEMM has evidence coverage 1 captured evidence page."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has captured page count","object":"1","text":"meituan-longcat/DeepGEMM has captured page count 1."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has readable page count","object":"1","text":"meituan-longcat/DeepGEMM has readable page count 1."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has related signal count","object":"5","text":"meituan-longcat/DeepGEMM has related signal count 5."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has analysis playbook objective","object":"Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.","text":"meituan-longcat/DeepGEMM has analysis playbook objective Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has source host","object":"github.com","text":"meituan-longcat/DeepGEMM has source host github.com."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has lab","object":"Meituan (LongCat)","text":"meituan-longcat/DeepGEMM has lab Meituan (LongCat)."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has signal desk","object":"forks","text":"meituan-longcat/DeepGEMM has signal desk forks."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has source host","object":"github.com","text":"meituan-longcat/DeepGEMM has source host github.com."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has repository","object":"meituan-longcat/DeepGEMM","text":"meituan-longcat/DeepGEMM has repository meituan-longcat/DeepGEMM."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has parent","object":"deepseek-ai/DeepGEMM","text":"meituan-longcat/DeepGEMM has parent deepseek-ai/DeepGEMM."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has notability","object":"Routine fork, no traction","text":"meituan-longcat/DeepGEMM has notability Routine fork, no traction."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has watch term","object":"Infrastructure","text":"meituan-longcat/DeepGEMM has watch term Infrastructure."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has watch term","object":"Safety and alignment","text":"meituan-longcat/DeepGEMM has watch term Safety and alignment."}]},"intelligence":{"signal_desk":"forks","answer":"Meituan (LongCat) forked meituan-longcat/DeepGEMM (forked from deepseek-ai/DeepGEMM). This fork signal points to upstream code the lab may be inspecting, patching, or building on. High-signal details: repo meituan-longcat/DeepGEMM · parent deepseek-ai/DeepGEMM · Routine fork, no traction. onlylabs links this event to 1 captured evidence page and 5 related fork signals.","semantic_triples":[{"subject":"Meituan (LongCat)","predicate":"forked","object":"meituan-longcat/DeepGEMM","text":"Meituan (LongCat) forked meituan-longcat/DeepGEMM."},{"subject":"meituan-longcat/DeepGEMM","predicate":"is classified as","object":"fork signal","text":"meituan-longcat/DeepGEMM is classified as fork signal."},{"subject":"meituan-longcat/DeepGEMM","predicate":"belongs to","object":"forks desk","text":"meituan-longcat/DeepGEMM belongs to forks desk."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has context","object":"forked from deepseek-ai/DeepGEMM","text":"meituan-longcat/DeepGEMM has context forked from deepseek-ai/DeepGEMM."},{"subject":"meituan-longcat/DeepGEMM","predicate":"has evidence coverage","object":"1 captured evidence page","text":"meituan-longcat/DeepGEMM has evidence coverage 1 captured evidence page."}]},"signal":{"id":"a3858646-3e64-4e48-9b10-d3064afdfa92","url":"https://onlylabs.fyi/signals/a3858646-3e64-4e48-9b10-d3064afdfa92","json_url":"https://onlylabs.fyi/signals/a3858646-3e64-4e48-9b10-d3064afdfa92/signal.json","source_url":"https://github.com/meituan-longcat/DeepGEMM","title":"meituan-longcat/DeepGEMM","summary":"Meituan (LongCat) forked upstream code. onlylabs watches forks for tooling, infrastructure, research dependencies, and product-adjacent work.","context":"forked from deepseek-ai/DeepGEMM","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"meituan","name":"Meituan (LongCat)","category":"neolab"},"occurred_at":"2026-02-05T08:56:52+00:00","first_seen_at":"2026-06-05T20:58:48.478227+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/meituan-longcat/DeepGEMM"]},"facets":{"repo":"meituan-longcat/DeepGEMM","parent":"deepseek-ai/DeepGEMM"},"traction":{"github_stars":0,"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/meituan-longcat/DeepGEMM","final_url":"https://github.com/meituan-longcat/DeepGEMM","title":"meituan-longcat/DeepGEMM repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:43:15.118377+00:00","bytes":30460,"raw_path":"779bdcc89d8b9800fb3b7c78d445baf34a8c04c784a5157f9460b2999bed3f06.json","content_hash":"38a884ba12133772184b7565cab47d935505adca40e1981df32ac00028509666","excerpt_chars":1200,"truncated":true,"excerpt":"meituan-longcat/DeepGEMM Description: DeepGEMM: clean and efficient FP8 GEMM kernels with fine-grained scaling License: MIT Stars: 0 Forks: 0 Open issues: 0 Created: 2026-02-05T08:56:52Z Pushed: 2026-02-06T03:44:48Z Default branch: main Fork: yes Parent repository: deepseek-ai/DeepGEMM Archived: no README: DeepGEMM DeepGEMM is a library designed for clean and efficient General Matrix Multiplications (GEMMs). It supports FP8 and BF16 (working in progress) for both normal and Mix-of-Experts (MoE) grouped scenarios. Written in CUDA, the library has no kernel compilation need during installation, by compiling all kernels at runtime using a lightweight Just-In-Time (JIT) module. DeepGEMM leverages some concepts from [CUTLASS](https://github.com/nvidia/cutlass) and [CuTe](https://github.com/NVIDIA/cutlass/tree/main/include/cute), it avoids heavy reliance on their templates or algebras. Instead, the library is designed for simplicity, with only a limited number of core kernel functions. This makes it a clean and accessible resource for learning NVIDIA GPU kernel optimization techniques. Despite its lightweight design, DeepGEMM's performance matches or exceeds expert-tuned libraries..."},"evidence_pages":[{"url":"https://github.com/meituan-longcat/DeepGEMM","final_url":"https://github.com/meituan-longcat/DeepGEMM","title":"meituan-longcat/DeepGEMM repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:43:15.118377+00:00","bytes":30460,"raw_path":"779bdcc89d8b9800fb3b7c78d445baf34a8c04c784a5157f9460b2999bed3f06.json","content_hash":"38a884ba12133772184b7565cab47d935505adca40e1981df32ac00028509666","excerpt_chars":1200,"truncated":true,"excerpt":"meituan-longcat/DeepGEMM Description: DeepGEMM: clean and efficient FP8 GEMM kernels with fine-grained scaling License: MIT Stars: 0 Forks: 0 Open issues: 0 Created: 2026-02-05T08:56:52Z Pushed: 2026-02-06T03:44:48Z Default branch: main Fork: yes Parent repository: deepseek-ai/DeepGEMM Archived: no README: DeepGEMM DeepGEMM is a library designed for clean and efficient General Matrix Multiplications (GEMMs). It supports FP8 and BF16 (working in progress) for both normal and Mix-of-Experts (MoE) grouped scenarios. Written in CUDA, the library has no kernel compilation need during installation, by compiling all kernels at runtime using a lightweight Just-In-Time (JIT) module. DeepGEMM leverages some concepts from [CUTLASS](https://github.com/nvidia/cutlass) and [CuTe](https://github.com/NVIDIA/cutlass/tree/main/include/cute), it avoids heavy reliance on their templates or algebras. Instead, the library is designed for simplicity, with only a limited number of core kernel functions. This makes it a clean and accessible resource for learning NVIDIA GPU kernel optimization techniques. Despite its lightweight design, DeepGEMM's performance matches or exceeds expert-tuned libraries..."}],"related_signals":[{"id":"f2253f86-6907-4649-b300-f9f43d6c9647","url":"https://onlylabs.fyi/signals/f2253f86-6907-4649-b300-f9f43d6c9647","source_url":"https://github.com/meituan-longcat/mscclpp","title":"meituan-longcat/mscclpp","context":"forked from microsoft/mscclpp","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"meituan","name":"Meituan (LongCat)","category":"neolab"},"occurred_at":"2026-02-06T04:12:47+00:00","first_seen_at":"2026-06-05T20:58:48.478227+00:00","date_source":"source"},{"id":"7ee1e43f-7f20-4ab5-803a-f2eb0d505c2b","url":"https://onlylabs.fyi/signals/7ee1e43f-7f20-4ab5-803a-f2eb0d505c2b","source_url":"https://github.com/meituan-longcat/fast-hadamard-transform","title":"meituan-longcat/fast-hadamard-transform","context":"forked from Dao-AILab/fast-hadamard-transform","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"meituan","name":"Meituan (LongCat)","category":"neolab"},"occurred_at":"2026-02-05T09:02:14+00:00","first_seen_at":"2026-06-05T20:58:48.478227+00:00","date_source":"source"},{"id":"ce9be3df-48d0-4b48-ab57-83ccced2baba","url":"https://onlylabs.fyi/signals/ce9be3df-48d0-4b48-ab57-83ccced2baba","source_url":"https://github.com/meituan-longcat/DeepEP","title":"meituan-longcat/DeepEP","context":"forked from deepseek-ai/DeepEP","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"meituan","name":"Meituan (LongCat)","category":"neolab"},"occurred_at":"2026-02-05T08:52:08+00:00","first_seen_at":"2026-06-05T20:58:48.478227+00:00","date_source":"source"},{"id":"f3188d82-3071-4d4e-ad4b-6c5ad1d7f5f1","url":"https://onlylabs.fyi/signals/f3188d82-3071-4d4e-ad4b-6c5ad1d7f5f1","source_url":"https://github.com/meituan-longcat/flashinfer","title":"meituan-longcat/flashinfer","context":"forked from flashinfer-ai/flashinfer","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"meituan","name":"Meituan (LongCat)","category":"neolab"},"occurred_at":"2026-02-05T08:45:48+00:00","first_seen_at":"2026-06-05T20:58:48.478227+00:00","date_source":"source"},{"id":"8b2605a4-2dd5-48da-92a4-ab2b33e3ce28","url":"https://onlylabs.fyi/signals/8b2605a4-2dd5-48da-92a4-ab2b33e3ce28","source_url":"https://github.com/meituan-longcat/FlashMLA","title":"meituan-longcat/FlashMLA","context":"forked from deepseek-ai/FlashMLA","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"meituan","name":"Meituan (LongCat)","category":"neolab"},"occurred_at":"2026-02-05T08:02:14+00:00","first_seen_at":"2026-06-05T20:58:48.478227+00:00","date_source":"source"}]}