WDYYY-XIXI

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指定gpu运行失败：using GPU 0 to perform barrier as devices used by this process are currently unknown. This can potentially cause a hang if this rank to GPU mapping is incorrect.

我在使用llama_factory的时候也遇到了这个问题，靠这个博客里面的方法解决了，大家可以试试:https://blog.gitcode.com/a5917737eccf9478cff21eb4475b4269.html