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Pull requests: NVIDIA/nccl

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Pull requests list

fix(build): check for IB verbs extension(s) support
#2178 opened May 14, 2026 by miEsMar Loading…
Add NULL checks after malloc and improve diagnostic logging in shadow pool functions
#2175 opened May 13, 2026 by Pritiks23 Loading…
6
bootstrap, socket: handle bad magic without blocking caller
#2174 opened May 12, 2026 by Alkaid-Benetnash Loading…
4
bootstrap: Fix data race in network init flag
#2168 opened May 10, 2026 by ankohuu Loading…
2
fix: use gin_dev attribute for GIN network devices
#2166 opened May 9, 2026 by Outsider3911 Loading…
1
fix num_recv_tokens calculation issue
#2164 opened May 8, 2026 by yongjianxu Loading…
4
symmetric/reduce_scatter_gin: tunable inbox/outbox size and per-peer cap
#2148 opened Apr 28, 2026 by ngoyal2707 Loading…
3
symmetric/all_gather_gin: tunable ring chunk size
#2147 opened Apr 28, 2026 by ngoyal2707 Loading…
3
fix: use parameterized queries to prevent SQL injection in perf exporter
#2145 opened Apr 28, 2026 by randomizedcoder Loading…
3 tasks
fix: add CUDA error handling for cleanup paths in nccl_ep
#2144 opened Apr 28, 2026 by randomizedcoder Loading…
3 tasks
fix: replace sprintf/strcpy with bounds-checked snprintf/strncpy
#2143 opened Apr 28, 2026 by randomizedcoder Loading…
4 tasks
9
Replace strerror() with thread-safe ncclStrerror wrapper
#2142 opened Apr 28, 2026 by randomizedcoder Loading…
1
Fix strtok/gmtime thread-safety and modernize C++ tokenization
#2141 opened Apr 28, 2026 by randomizedcoder Loading…
1
Fix IB MTU mismatch causing NCCL hang and IBV_WC_LOC_LEN_ERR
#2135 opened Apr 27, 2026 by kzlxd Loading…
Fix P2P useMemcpy under read mode
#2133 opened Apr 26, 2026 by Repeater9 Loading…
[Graph] Improve AMD Turin no-XML ring graph selection on AMD Turin
#2127 opened Apr 22, 2026 by voipmonitor • Draft
1
Fix uninitialized comm->netDeviceType leading to CUDA illegal memory access
#2121 opened Apr 20, 2026 by david-abr Loading…
8
Fix cuMulticastUnbind silent swallow in ncclNvlsDeregBuffer
#2116 opened Apr 20, 2026 by shubh3794 Loading…
1
3
Correct crossing multi-sockets bandwith of AMD Zen5/Turin CPUs
#2113 opened Apr 17, 2026 by hz-cheng Loading…
1
Fix dev_runtime memory leaks
#2087 opened Apr 2, 2026 by PatriosTheGreat Loading…
10
[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…
4
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…
3
ProTip! What’s not been updated in a month: updated:<2026-04-14.