i had met the similar issue.
i equipped double GTX 1080 Ti on the pc.
but it wasn’t work well with libtorch 1.9+cu10.2. also it works well with libtorch 1.9+cpu.
i wanted to handle it, but i didn’t.
also i can run training a model with pytorch 1.9+cu10.2 in pycharm project…
haha…