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seg fault when running test on AWS EC2 G5

Status: Open.

#336 In NVIDIA/nccl-tests;

· danielsdesk opened on Jul 28, 2025

5090 bandwith is 0

Status: Open.

#335 In NVIDIA/nccl-tests;

· PaggyZhang opened on Jul 25, 2025

5090 alltoall bandwith is 0

Status: Open.

#334 In NVIDIA/nccl-tests;

· PaggyZhang opened on Jul 25, 2025

How to run <code>nccl-test</code> with NCCL 2.27 to benchmark symmetric memory?

Status: Open.

#333 In NVIDIA/nccl-tests;

· GindaChen opened on Jul 19, 2025

What hardware factors affect AllToAll performance?

Status: Open.

#332 In NVIDIA/nccl-tests;

· cugbls opened on Jul 16, 2025

Intra-node NCCL P2P bandwidth on A100 with NVLink 3.0 limited to ~72 GB/s (vs 100 GB/s theoretical)

Status: Open.

#331 In NVIDIA/nccl-tests;

· mredenti opened on Jul 14, 2025

Inconsistent Kernel Execution Time in GPU SendRecv Operation

Status: Open.

#330 In NVIDIA/nccl-tests;

· Linus-Voss opened on Jul 13, 2025

Running nccl-tests on two docker on same host - uses same rank 0

Status: Open.

#329 In NVIDIA/nccl-tests;

· alokprasad-mrvl opened on Jul 1, 2025

NCCL RING Crash on Odd Number of Nodes in Virtualized RoCEv2 Environment

Status: Open.

#328 In NVIDIA/nccl-tests;

· pokitpeng opened on Jun 30, 2025

all gather / all reduce showing unidirectional bandwidth peak performance

Status: Open.

#326 In NVIDIA/nccl-tests;

· asdfvg123 opened on Jun 23, 2025

NCCL test exception with 10 GPU cards on a single machine

Status: Open.

#324 In NVIDIA/nccl-tests;

· yxxynn opened on Jun 20, 2025

Reducing maxBytes to 27951912277 due to memory limitation

Status: Open.

#322 In NVIDIA/nccl-tests;

· Niger1 opened on Jun 15, 2025