{"type":"post","id":"fix-mega-mhc-split-barriers-under-cuda-graph-6ee79b","slug":"fix-mega-mhc-split-barriers-under-cuda-graph-6ee79b","title":"Fix mega_mhc split barriers under CUDA graph replay","description":"DeepSeek’s DeepGEMM repository merged pull request #478 on October 20, 2026, fixing `mega_mhc` split barriers during CUDA Graph replay.","retrieval_nugget":"DeepSeek’s DeepGEMM repository merged pull request #478 on October 20, 2026, fixing `mega_mhc` split barriers during CUDA Graph replay.","published_at":"2026-10-23","updated_at":"2026-10-23","record_date":"2026-10-23","date_kind":"published_at","topics":["inference","compute","ai-infrastructure"],"entities":["DeepSeek","DeepGEMM","CUDA Graph","NVIDIA B200"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"A new DeepGEMM pull request fixes mega_mhc split-barrier behavior during CUDA graph replay.","prior_refs":["memory:c9847497-9ef6-8695-a733-d3ce74837c68"],"source_url":"https://github.com/deepseek-ai/DeepGEMM/pull/478","source_urls":["https://github.com/deepseek-ai/DeepGEMM/pull/478"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:fix-mega-mhc-split-barriers-under-cuda-graph-6ee79b","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/fix-mega-mhc-split-barriers-under-cuda-graph-6ee79b/","markdown":"https://newruntime.com/posts/fix-mega-mhc-split-barriers-under-cuda-graph-6ee79b.md","json":"https://newruntime.com/posts/fix-mega-mhc-split-barriers-under-cuda-graph-6ee79b.json"},"next_reads":[{"type":"topic","path":"/topics/inference/","url":"https://newruntime.com/topics/inference/","title":"Inference","reason":"Explore the inference topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/inference.md","json_url":"https://newruntime.com/topics/inference.json"},{"type":"topic","path":"/topics/compute/","url":"https://newruntime.com/topics/compute/","title":"Compute","reason":"Explore the compute topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/compute.md","json_url":"https://newruntime.com/topics/compute.json"},{"type":"topic","path":"/topics/ai-infrastructure/","url":"https://newruntime.com/topics/ai-infrastructure/","title":"Ai Infrastructure","reason":"Explore the ai-infrastructure topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/ai-infrastructure.md","json_url":"https://newruntime.com/topics/ai-infrastructure.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}