报错内容：export failure: CUDA out of memory. Tried to allocate 20.00 MiB (GPU 0; 4.00 GiB total capacity; 2.45 GiB already allocated; 0 bytes free; 2.54 GiB 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
解决方法：
加入
import os
os.environ["PYTORCH_CUDA_ALLOC_CONF"] = "max_split_size_mb:128"
如果还不行，就在include-nms加上 这句
default=['torchscript'],
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