NVIDIA Deep Learning NCCL Documentation
Release Notes (PDF) - v2.20.3 - Last updated February 12, 2024

NCCL Release 2.9.8

This is the NCCL 2.9.8 release notes. For previous NCCL release notes, refer to the NCCL Archives.


NCCL 2.9.8 has been tested with the following:

Key Features and Enhancements

This NCCL release includes the following key features and enhancements.
  • Added support for nvidia-peermem module.

Fixed Issues

The following issues have been resolved in NCCL 2.9.8:
  • Fixed error when injecting a topology file without vendor/device information.

  • Fixed crash in bootstrap error case.

  • Fixed memory leaks.

  • Fixed collnet clean-up issue.