Properly install NCCL for CUDA 12.2/12.1 #293
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…ible with existing CUDA installation
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NCCL is apt-installed+held in the 12.1.1 CUDA image but not in the 12.2.0 image. Hence, we need to either install NCCL or bypass it depending on the situation.
Additional CI run for testing against CUDA 12.1.1: https://github.com/NVIDIA/JAX-Toolbox/actions/runs/6465963250