Question about multi-gpu training

[Allfu]

Thanks for sharing such an excellent work：

Now I want to use eight GPUs for DDP training on a server. How should I use the script? I am a little confused about the usage of nr.

Looking forward to your reply！
thanks!

[Allfu]

by the way
I want to use single multi-gpu training

[fjt0324]

Have you solved the problem？