How to check if NCCL is installed correctly and can be used by PyTorch?

1

How to check if NCCL is installed correctly and can be used by PyTorch? I can import torch.cuda.nccl, but I’m not sure how to test if it’s installed correctly.

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2

You can try

torch.cuda.nccl.version()
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3

is there a way to check it with a command line without pytorch?