NCCL

The NVIDIA Collective Communications Library (NCCL) implements multi-GPU and multi-node collective communication primitives that are performance optimized for NVIDIA GPUs.

More Information

For more information visit the NCCL website.

Available Versions

These versions of NCCL are available on the BEAR systems (BlueBEAR and BEAR Cloud VMs). These will be retained in accordance with our Applications Support and Retention Policy.

Version	BEAR Apps Version
2.18.3-GCCcore-12.3.0-CUDA-12.1.1	2023a
2.16.2-GCCcore-12.2.0-CUDA-12.0.0	2022b
2.12.12-GCCcore-11.3.0-CUDA-11.7.0	2022a
2.10.3-GCCcore-11.2.0-CUDA-11.4.1	2021b
2.10.3-GCCcore-10.3.0-CUDA-11.3.1	2021a
2.8.3-CUDA-11.1.1	2020b
2.4.8-gcccuda-2019b	2019b