也太耀眼了以至于我们感受不到内核线程的存在，但是内核线程却在背后默默地付出着，如内存回收，脏页回写...
Describe the bug Error message Failed to build CUDA kernels for upfirdn2d. UserWarning: Failed to build CUDA kernels for upfirdn2d. After executing the following command from the readme: python generate.py --outdir=out --trunc=1 --seeds=...