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Advance Notice: Bessemer will be retired on Friday 31st October 2025 at 17:00.
NCCL
The NVIDIA Collective Communications Library (NCCL) implements multi-GPU and multi-node collective communication primitives that are performance optimized for NVIDIA GPUs.
Note
This is an autogenerated page, more detail including examples may be available for this package. Please see the first section of Software on Stanage
After connecting to Stanage (see Establishing a SSH connection), start an interactive session with the following command:
srun --pty bash -i
A version of NCCL can then be made available with one of the following:
module load NCCL/2.12.12-GCCcore-11.3.0-CUDA-11.7.0
module load NCCL/2.16.2-GCCcore-12.2.0-CUDA-12.0.0
module load NCCL/2.12.12-GCCcore-11.3.0-CUDA-11.7.0
Notes
NCCL was installed using Easybuild, build details can be found in $EBROOTNCCL/easybuild with a given module loaded.