win The "freeze_support()" line can be omitted if the program is not going to be frozen t

The “freeze_support()“ line can be omitted if the program is not going to be frozen to produce an ex PyTorch错误:The “freeze_support()” line can be omitted if the program is not going to be frozen to produce an executable. 错误代码如下: RuntimeError: An attempt has been made to start a new process before the current process has finished its boots 阅读详情

在这里插入图片描述
这是一个关于windows上多进程实现的恩特。在windows上,子进程会自动import启动它的这个文件,而在import的时候是会自动执行这些语句的。如果不加__main__限制的化,就会无限递归创建子进程,进而报错。于是import的时候使用 name == “main” 保护起来就可以了

PyTorch:The “freeze_support()” line can be omitted if the program is not going to be frozen if __name__ == '__main__': 阅读详情

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