运行别人的代码的时候报错：RuntimeError: CUDA out of memory. Tried to allocate 512.00 MiB (GPU 0; 11.90 GiB total capacity; 11.15 GiB already allocated; 46.94 MiB free; 241.57 MiB cached)
但是nvidia-smi查看显卡，显存充足
解决：batch改小一点，本来代码里是8，我觉得够小了。。改成4就跑起来了。。
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