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Error in multi machine and multi card training

2022-04-23 07:28:00 【wujpbb7】

error 1：

“NCCL WARN Connect to failed : Network is unreachable”

resolvent ：

Set the environment variable NCCL_SOCKET_IFNAME=enp（enp The prefix of the local network card is , It could be eno, You can use first ifconfig see ）

Reference resources ：

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