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Software - nccl​

Description​

Optimized primitives for collective multi-GPU communication.

Website​

https://github.com/NVIDIA/nccl

Variants installed​

  1. nccl 2.11.4-1

    • Compiler: gcc 8.5.0
    • Architecture: zen
    • Supports CUDA

    Spack Command

    $ spack load nccl/rcu4lyw

  2. nccl 2.14.3-1

    • Compiler: nvhpc 22.5
    • Architecture: zen
    • Supports CUDA

    Spack Command

    $ spack load nccl/cv4liaz