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Pull requests: NVIDIA/nccl

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Pull requests list

graph/tuning: disable LL128 on PATH_P2C inter-node paths (GH200 corruption fix)
#2053 opened Mar 13, 2026 by ryanhankins Loading…
Fix nccl_ep cuda shim to only get used for CUDA version below 13.1
#2050 opened Mar 12, 2026 by sb17v Loading…
@sb17v
Fix: Correct inverted boolean logic in matchSubnet causing incorrect interface selection
#2047 opened Mar 11, 2026 by liangxs Loading…
Fix nccl_ep cmake to generate both shared and static lib
#2046 opened Mar 11, 2026 by sb17v Loading…
@sb17v
4
Add ncclNotifyTag API for user-defined profiler-v7
#2045 opened Mar 10, 2026 by dmonakhov Loading…
env var to specify absolute path of libibverbs.so to use
#2043 opened Mar 10, 2026 by SreevatsaAnantharamu Loading…
2
nccl_ep: Remove unused tensor type enum
#2042 opened Mar 9, 2026 by artpol84 Loading…
@artpol84
3
use __forceinline__ to enable nccl_ep compilation with CUDA 12.8
#2041 opened Mar 9, 2026 by artpol84 Loading…
@sb17v
nccl_ep: Low-Latency kernel memory footpring optimization
#2040 opened Mar 9, 2026 by artpol84 Loading…
@artpol84
2
[Feature Preview] Introduce elastic buffer, gin.get() and other GIN optimizations
#2037 opened Mar 9, 2026 by xiaofanl-nvidia Loading…
Fix AMD inter-CPU bandwidth and LL128 protocol for multi-socket EPYC
#2036 opened Mar 8, 2026 by voipmonitor Loading…
7 tasks
1
Squash commit for Testing update to README
#2034 opened Mar 4, 2026 by jskrobola • Draft
2
fix(profiler): add ncclUint8 mapping
#2032 opened Mar 3, 2026 by pjo256 Loading…
1
Fix buffer overflow in parseStringList
#2027 opened Feb 26, 2026 by reytchison Loading…
1
[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 Loading…
examples: clean up unused members in context_t
#1989 opened Jan 20, 2026 by chenhengqi Loading…
Fix #1978 - Preserve plugin name when unloading net plugin
#1979 opened Jan 14, 2026 by theely Loading…
Bug fix: profiler kernelch event type field
#1973 opened Jan 7, 2026 by CavalryXD Loading…
2
fix: Invalid nullptr initialization for CUmemGenericAllocationHandle when compiling with Clang
#1971 opened Jan 5, 2026 by jushg Loading…
1
Fix sharedDevMems cuMem import cleanup to prevent proxy-side device memory leaks
#1968 opened Dec 30, 2025 by SongXiaoXi Loading…
Fix: dumpProxyState visibility issues for multiple communication groups
#1949 opened Dec 18, 2025 by Rhai2307 Loading…
2
Make proxy dump print out meaningful information.
#1942 opened Dec 15, 2025 by ryanhankins Loading…
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