NotImplementedError: Using RTX 3090 or 4000 series doesn't support faster communication broadband via P2P or IB. Please set NCCL_P2P_DISABLE="1"
and NCCL_IB_DISABLE="1" or use
accelerate launch` which will do this automatically.
解决:一行一行的执行如下代码:
export NCCL_P2P_DISABLE=1
export NCCL_IB_DISABLE=1
https://blog.csdn.net/ph12345687/article/details/141870275