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JACCL: zeroed send-frame tails, a progress guard, the advertised GID and the upstream JACCL fixes - #33

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JACCL: zeroed send-frame tails, a progress guard, the advertised GID and the upstream JACCL fixes#33
jonathan308 wants to merge 15 commits into
mainfrom
darkbloom/jaccl-send-frame-progress-guard

Commits on Oct 9, 2026
- Fix jaccl ring all_gather: direction 1 slice was not mirrored (backport of ml-explore/mlx #4443)
  
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  d92347b
- chore: Fix assertion in ReduceScatter::eval_cpu (backport of ml-explore/mlx #4557)
  
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  d373930
- Add a scoped_env utility for tests (partial backport of ml-explore/mlx #4474)
  
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  4614968
- Do not cache failed distributed backend initialization (backport of ml-explore/mlx #4558)
  
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  7112cbf
- fix(jaccl): clear the unused tail of each send frame
  
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  95e8938
- fix(jaccl): bound the polling loops and release a group that fails
  
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  cbe63d1
- fix(jaccl): send from the GID that was advertised to the peer
  
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  8785a85
- docs(jaccl): describe the progress timeout
  
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  c9dcfb5
- test(jaccl): add tests with simulated verbs
  
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  fc71f7f
- docs(forkdiff): describe the JACCL changes and the upstream JACCL fixes
  
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  d0f8b0a
- style(jaccl): format tests/jaccl/CMakeLists.txt with cmake-format
  
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  4241bc4
- fix(jaccl): do the ring all_gather slice arithmetic in 64 bits
  
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  b765896
Commits on Oct 10, 2026
- Revert the NAX gather_qmm simdgroup skip (#4352) on this tree
  
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  ccf517a
- fix(jaccl): 30 s progress limit, teardown exit by default, 4x completion queues
  
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  fdae317
Commits on Oct 14, 2026
- docs(forkdiff): list jaccl.cpp, mesh.cpp and ring.cpp under the JACCL section
  
  jonathan308
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  claude
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  56a2043

Commits

Commits on Oct 9, 2026

Commits on Oct 10, 2026

Commits on Oct 14, 2026