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Pull requests: NVIDIA/nccl

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Pull requests list

Tune Blackwell symmetric ReduceScatter CTA geometry
#2344 opened Aug 16, 2026 by namtran1812Loading…
Tune two-rank Blackwell Ring LL128 AllReduce
#2343 opened Aug 16, 2026 by namtran1812Loading…
Improve P2P diagnostics for shared-memory isolation
#2342 opened Aug 15, 2026 by namtran1812Loading…
gin: Make signal from C bindings respect ginStrongLegacySignals
#2341 opened Aug 11, 2026 by dboyanContributorLoading…
4
Add NCCL_P2P_VALIDATE to detect false peer-access mirrors
#2338 opened Aug 10, 2026 by aarav1109sLoading…
6 tasks
2
Fix memory leak in allocateSpilled
#2328 opened Aug 7, 2026 by lennyJLLoading…
1
Handle profiler proxy initialization failures
#2326 opened Aug 6, 2026 by pawelchckiLoading…
1
fix: avoid indefinite hang in gin gdaki init
#2318 opened Aug 4, 2026 by dromniscienceLoading…
4
Add KernelStep profiler events for Simple-prims per-slice GPU timing.
#2316 opened Jul 31, 2026 by alizmhdiLoading…
3
GDAKI/DOCA: balance QPs across LAG ports with explicit TX port affinity
#2315 opened Jul 31, 2026 by alpha-babyLoading…
1
Add IB active-standby failover
#2309 opened Jul 27, 2026 by tingmingzhongLoading…
1
1
Tune Blackwell symmetric ReduceScatter selection
#2307 opened Jul 23, 2026 by samnordmannLoading…
1
3
profiler/inspector: report ring buffer drops instead of losing data silently
#2304 opened Jul 23, 2026 by shaq918Loading…
32
[ring-hce-bd] Hierarchical CE: Ring implementation for better scalability.
#2299 opened Jul 17, 2026 by cesar-stuardo-bdLoading…
3
Add CMake builds for NCCL examples
#2295 opened Jul 16, 2026 by chuckatkins • Draft
1
Fix plugin-specific topology device indices
#2291 opened Jul 15, 2026 by kzlxdLoading…
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-XuLoading…
1
Add profiler proxy poll backoff
#2277 opened Jul 8, 2026 by pawelchckiLoading…
6
Add GIN GPU/NIC peer affinity mapping
#2269 opened Jul 5, 2026 by hzt123123Loading…
1
net: close DMA-BUF fd on the regMrDmaBuf-failure fallback path
#2267 opened Jul 2, 2026 by EylonKrauseContributorLoading…
1
net_ib: add missing break in printIbWcStatusHint switch
#2265 opened Jun 29, 2026 by EylonKrauseContributorLoading…
1
net_ib: use uint32 truncation (not % UINT32_MAX) for BY_ID imm-data request id
#2264 opened Jun 29, 2026 by EylonKrauseContributorLoading…
1
ras: include ncclTimeout in the client error breakdown
#2263 opened Jun 29, 2026 by EylonKrauseContributorLoading…
1
collnet: size shared collNet comm arrays by NCCL_MAX_NETDEVS
#2262 opened Jun 29, 2026 by EylonKrauseContributorLoading…
1
ProTip! Updated in the last three days: updated:>2026-08-14.