Issues

• Heterogeneous communciation between Nvidia and AMD cards

  microsoft/msccl#66 · Filter by author MC952-arch opened on Aug 4, 2025

• Specify the number of instances in alltoall_a100_two_step.py

  microsoft/msccl#65 · Filter by author ywj55555 opened on Jul 3, 2025

• Undefined symbol: ncclCommRegister

  microsoft/msccl#64 · Filter by author MC952-arch opened on Oct 21, 2024
  2

• make failed

  microsoft/msccl#63 · Filter by author qdbkppkbdq opened on Jun 12, 2024

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

  microsoft/msccl#62 · Filter by author JiangboHe opened on Jun 11, 2024

• A Doubt about the Source Code of MSCCL

  microsoft/msccl#61 · Filter by author ltrcc opened on Mar 30, 2024
  1

• Compilation failure

  microsoft/msccl#55 · Filter by author JihaoXin opened on Aug 16, 2023
  3

• Grammar error in README.md

  microsoft/msccl#53 · Filter by author YukeWang96 opened on Jun 27, 2023

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

  microsoft/msccl#48 · Filter by author Musisoul opened on Nov 17, 2022
  54

• Multi-gpu NCCL test test_all_reduce_coalesced_nccl failing

  microsoft/msccl#35 · Filter by author ajindal1 opened on Jul 18, 2022
  3