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Pull requests: NVIDIA/nccl

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Pull requests list

[Graph] Improve AMD Turin no-XML ring graph selection on AMD Turin
#2127 opened Apr 22, 2026 by voipmonitor • Draft
Fix uninitialized comm->netDeviceType leading to CUDA illegal memory access
#2121 opened Apr 20, 2026 by david-abr Loading…
6
Fix cuMulticastUnbind silent swallow in ncclNvlsDeregBuffer
#2116 opened Apr 20, 2026 by shubh3794 Loading…
1
2
Correct crossing multi-sockets bandwith of AMD Zen5/Turin CPUs
#2113 opened Apr 17, 2026 by hz-cheng Loading…
1
GIN: implement reset-without-zeroing for signals and counters
#2093 opened Apr 6, 2026 by bhasunit Loading…
1
Fix dev_runtime memory leaks
#2087 opened Apr 2, 2026 by PatriosTheGreat Loading…
5
[nccl-ep] Add ncclEpUpdateHandle to rebind topk_idx without reallocating
#2085 opened Apr 2, 2026 by kwen2501 Collaborator Loading…
2
[nccl-ep] Remove redundant cudaStreamSynchronize in ncclEpCreateHandle
#2082 opened Apr 1, 2026 by kwen2501 Collaborator Loading…
2
Add bilingual architecture learning guides
#2081 opened Mar 31, 2026 by tianhao909 Loading…
2
Enable P2P transport for AMD systems with >2 GPUs at PHB level
#2080 opened Mar 31, 2026 by voipmonitor Loading…
5 of 6 tasks
5
Fix atomic alignment
#2075 opened Mar 29, 2026 by 372046933 Loading…
1
Windows port of NCCL
#2068 opened Mar 24, 2026 by peterkisfaludi Loading…
2
Enable strict C++ compiler warnings and -Werror by default
#2061 opened Mar 22, 2026 by maxwbuckley Loading…
4 tasks done
1
Fix /dev/shm/nccl-K error.
#2059 opened Mar 20, 2026 by lunixbochs Loading…
1
fix(profiler): handle u8 for inspector
#2054 opened Mar 17, 2026 by s22chan Loading…
6
graph/tuning: disable LL128 on PATH_P2C inter-node paths (GH200 corruption fix)
#2053 opened Mar 13, 2026 by ryanhankins Loading…
Add ncclNotifyTag API for user-defined profiler-v7
#2045 opened Mar 10, 2026 by dmonakhov Loading…
1
nccl_ep: Remove unused tensor type enum
#2042 opened Mar 9, 2026 by artpol84 Collaborator Loading…
@artpol84
3
Fix AMD inter-CPU bandwidth and LL128 protocol for multi-socket EPYC
#2036 opened Mar 8, 2026 by voipmonitor Loading…
7 tasks
9
Testing PR
#2034 opened Mar 4, 2026 by jskrobola Collaborator • Draft
12
[BUG] fix opCount not self-increasing in single node communicator
#2021 opened Feb 10, 2026 by alpha-baby Loading…
8
Reduce sched_yield overhead with time-based spinning
#2017 opened Feb 6, 2026 by hodgesds Loading…
4
Create SKILL.md for NCCL
#2004 opened Jan 27, 2026 by zhenghax Loading…
4
Update issues template
#1998 opened Jan 23, 2026 by stephenmsachs Collaborator Loading…
Bug fix: profiler kernelch event type field
#1973 opened Jan 7, 2026 by CavalryXD Loading…
2
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