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Heterogeneous communciation between Nvidia and AMD cards

Status: Open.

#66 In microsoft/msccl;

· MC952-arch opened on Aug 4, 2025

Specify the number of instances in alltoall_a100_two_step.py

Status: Open.

#65 In microsoft/msccl;

· ywj55555 opened on Jul 3, 2025

Undefined symbol: ncclCommRegister

Status: Open.

#64 In microsoft/msccl;

· MC952-arch opened on Oct 21, 2024

make failed

Status: Open.

#63 In microsoft/msccl;

· qdbkppkbdq opened on Jun 12, 2024

How to run nccltest with msccl on 8 gpus（2 server * 4 P40 gpus）？

Status: Open.

#62 In microsoft/msccl;

· JiangboHe opened on Jun 11, 2024

A Doubt about the Source Code of MSCCL

Status: Open.

#61 In microsoft/msccl;

· ltrcc opened on Mar 30, 2024

Compilation failure

Status: Open.

#55 In microsoft/msccl;

· JihaoXin opened on Aug 16, 2023

Grammar error in README.md

Status: Open.

#53 In microsoft/msccl;

· YukeWang96 opened on Jun 27, 2023

MSCCL all-to-all performance did not improve compared with NCCL

Status: Open.

#48 In microsoft/msccl;

· Musisoul opened on Nov 17, 2022

Multi-gpu NCCL test test_all_reduce_coalesced_nccl failing

Status: Open.

#35 In microsoft/msccl;

· ajindal1 opened on Jul 18, 2022