NVIDIA Deep Learning NCCL Documentation
Release Notes (PDF) - v - Last updated February 28, 2023

NCCL Release 2.9.9

This is the NCCL 2.9.9 release notes. For previous NCCL release notes, refer to the NCCL Archives.

Compatibility

NCCL 2.9.9 has been tested with the following:

Fixed Issues

The following issues have been resolved in NCCL 2.9.9:
  • Fixed crash when setting NCCL_MAX_P2P_NCHANNELS.

  • Fixed hang during sendrecv dynamic connection on cubemesh topologies.

  • Fixed compilation with TRACE=1.