raise ImportError("torch.utils.ffi is deprecated. Please use cpp extensions instead.")
ImportError: torch.utils.ffi is deprecated. Please use cpp extensions instead.
缺ciff包，用pip install cffi，如果安装后还是报错，这是你该果断降低pytorch版本到0.4，原因在pytorch1.0不支持此包
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ERROR: Unexpected bus error encountered in worker. This might be caused by insufficient shared memory (shm)
出现这个错误的情况是，在服务器上的docker中运行训练代码时，batch size设置得过大，shared memory不够（因为docker限制了shm）.解决方法是，将Dataloader的num_workers设置为0.