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Pull requests: NVIDIA/nccl

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Pull requests list

fix: avoid indefinite hang in gin gdaki init
#2318 opened Aug 4, 2026 by dromniscience Loading…
Add KernelStep profiler events for Simple-prims per-slice GPU timing.
#2316 opened Jul 31, 2026 by alizmhdi Loading…
3
GDAKI/DOCA: balance QPs across LAG ports with explicit TX port affinity
#2315 opened Jul 31, 2026 by alpha-baby Loading…
Add IB active-standby failover
#2309 opened Jul 27, 2026 by tingmingzhong Loading…
1
Tune Blackwell symmetric ReduceScatter selection
#2307 opened Jul 23, 2026 by samnordmann Loading…
1
2
profiler/inspector: report ring buffer drops instead of losing data silently
#2304 opened Jul 23, 2026 by shaq918 Loading…
29
[ring-hce-bd] Hierarchical CE: Ring implementation for better scalability.
#2299 opened Jul 17, 2026 by cesar-stuardo-bd Loading…
3
Add CMake builds for NCCL examples
#2295 opened Jul 16, 2026 by chuckatkins • Draft
Fix plugin-specific topology device indices
#2291 opened Jul 15, 2026 by kzlxd Loading…
2
[RFC] Device Profiler Hook
#2285 opened Jul 13, 2026 by dolpm • Draft
1
net/ib: fix out-of-bounds write when active ports exceed MAX_IB_DEVS
#2283 opened Jul 13, 2026 by Peng-Xu Loading…
1
Add profiler proxy poll backoff
#2277 opened Jul 8, 2026 by pawelchcki Loading…
6
Add GIN GPU/NIC peer affinity mapping
#2269 opened Jul 5, 2026 by hzt123123 Loading…
1
net: close DMA-BUF fd on the regMrDmaBuf-failure fallback path
#2267 opened Jul 2, 2026 by EylonKrause Loading…
1
net_ib: add missing break in printIbWcStatusHint switch
#2265 opened Jun 29, 2026 by EylonKrause Loading…
1
net_ib: use uint32 truncation (not % UINT32_MAX) for BY_ID imm-data request id
#2264 opened Jun 29, 2026 by EylonKrause Loading…
1
ras: include ncclTimeout in the client error breakdown
#2263 opened Jun 29, 2026 by EylonKrause Loading…
1
collnet: size shared collNet comm arrays by NCCL_MAX_NETDEVS
#2262 opened Jun 29, 2026 by EylonKrause Loading…
1
plugin: set tunerPluginLoaded on the already-loaded path so refcount balances
#2261 opened Jun 29, 2026 by EylonKrause Loading…
1
net: compute recv sameDevice against self, not the PXN proxyRank
#2260 opened Jun 29, 2026 by EylonKrause Loading…
1
register: restore caller CUDA device on all deregister exit paths
#2259 opened Jun 29, 2026 by EylonKrause Loading…
1
Avoid RMA proxy when cuMem host is unavailable
#2253 opened Jun 25, 2026 by jm99k56 Loading…
Fix Python ep_test.py HT mode (under-sized recv buffers → ncclInvalidUsage)
#2252 opened Jun 25, 2026 by ybenvidia Loading…
2
fix: null comm->groupJob after abort to avoid use-after-free
#2251 opened Jun 24, 2026 by EylonKrause Loading…
1
fix: stack buffer overflow in IPv6 address parsing
#2250 opened Jun 24, 2026 by EylonKrause Loading…
1
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