报错记录torch.cuda.OutOfMemoryError: CUDA out of memory. Tried to allocate 90.00 MiB (GPU 0; 7.93 GiB to

torch.cuda.OutOfMemoryError: CUDA out of memory. Tried to allocate 90.00 MiB (GPU 0; 7.93 GiB total capacity; 758.34 MiB already allocated; 5.75 MiB free; 858.00 MiB reserved in total by PyTorch) If reserved memory is >> allocated memory try setting max_split_size_mb to avoid fragmentation.  See documentation for Memory Management and PYTORCH_CUDA_ALLOC_CONF

原因,我选的卡号选错了,

import os
os.environ["CUDA_VISIBLE_DEVICES"] = "0"

确认好两件事:
1、本地文件和远程文件同步好了
2、代码中有没有指定哪块GPU的操作
他这个报错很反直觉的一个地方:如果你指定了2卡,2卡显存满了,他会说0卡显存满了,你去看0发现0根本没人用,这就很容易被绕进去

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