All pull requests

Pull requests

• Return ncclSystemError instead of aborting when a thread cannot be created

  #2485·kodlan opened Oct 15, 2026·

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• feat(efa-gda): Add thread-exclusive Put path

  #2478·anshumang opened Oct 13, 2026Contributor·

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• RAS: Fix ras crashes after collective init failures

  #2477·NorthSecond opened Oct 13, 2026·

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• Fix P2P PXN selection when GDR reads are disabled

  #2474·0z5a opened Oct 12, 2026·

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• Fix symmetric profiler channel attribution for grouped collectives

  #2473·anranxia opened Oct 12, 2026·

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• Close the internal group on every early error return

  #2472·kodlan opened Oct 11, 2026·

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• net/ib: size inline CTS space for grouped receives

  #2470·kodlan opened Oct 11, 2026·

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• Reject NCCL operations on a suspended communicator

  #2462·kodlan opened Oct 6, 2026·

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• Validate excludeRanksList in ncclCommShrink

  #2458·kodlan opened Oct 1, 2026·

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• Return ncclInvalidArgument for bad init arguments

  #2450·kodlan opened Sep 26, 2026·

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• Fix symmetric AllReduce avg kernel selection

  #2448·kodlan opened Sep 25, 2026·

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• Avoid ptxas 12.8-13.0 miscompile of add4G on sm_120

  #2446·kodlan opened Sep 24, 2026·

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• Fix C++20 build of the fp8 pack casts in reduce_kernel.h

  #2443·kodlan opened Sep 23, 2026·

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• [Fix] net/ib: use ID-based matching whenever receives are pre-posted

  #2434·LiRunGuo opened Sep 22, 2026·

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• [Fix] register: return a NULL handle when ncclCommRegister skips a CPU-backed buffer

  #2433·LiRunGuo opened Sep 22, 2026·

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• [Fix] p2p: close the imported SHM segment in CE memcpy mode with cuMem

  #2432·LiRunGuo opened Sep 22, 2026·

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• [Fix] nvls: wire NVLS buffers per channel so a shared parent is not left unset

  #2431·LiRunGuo opened Sep 21, 2026·

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• init: ATTN on Net device count mismatch with NCCL_IGNORE_NET_MISMATCH=1

  resolved
  #2429·abhiMishra98 opened Sep 21, 2026·

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• net/ib: stop each Qp profiler event exactly once

  #2427·hexagonal-banana opened Sep 21, 2026Contributor·

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• Reuse empty hunks in ncclMemoryStack

  #2426·kodlan opened Sep 19, 2026·

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• Add optional receive queues to GDAKI

  #2425·mkbk-with-circle opened Sep 19, 2026·

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• RFC: External allocator for persistent graph work descriptors

  #2424·0z5a opened Sep 19, 2026·

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• Respect explicit device targets for LDMC FP8 compilation

  #2422·0z5a opened Sep 19, 2026·

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• Drop misplaced const from ncclComm_t API parameters

  #2415·kodlan opened Sep 16, 2026·

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• profiler/example: recycle the GroupApi pool

  #2414·kodlan opened Sep 15, 2026·

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