mmengine.dist.get_dist_info¶ mmengine.dist.get_dist_info(group=None)[源代码]¶ Get distributed information of the given process group. 备注 Calling get_dist_info in non-distributed environment will return (0, 1). 参数 group (ProcessGroup, optional) – The process group to work on. If None, the default process group will be used. Defaults to None. 返回 Return a tuple containing the rank and world_size. 返回类型 tuple[int, int]