Results 6 comments of Kwangyeon Gill

See https://github.com/facebookresearch/maskrcnn-benchmark/issues/570#issuecomment-473218934. Basically, it's a hack to train the classifier, without the box regressor obtaining the gradients.

https://github.com/andylizf/extension-cpp/blob/2d49e184f82ab6e1b61e8dc3abb6c7ede65ca37b/extension_cpp/csrc/lltm.cpp#L9 I think it should be `TORCH_LIBRARY(extension_cpp, m)`, not `TORCH_LIBRARY(TORCH_EXTENSION_NAME, m)`

Just found another internal variable `val_check_batch` in `FitLoop`, and changing its value and `val_check_interval` to the dynamically calculated value does the job. This behavior is still weird, as assigning a...

> Hi @davidgill97 , sorry, I don't think I'll be able to prioritize ONNX-related issues from now. I see. I'm willing to look into the problem, could you give me...

Can you check setting `persistent_workers=True`?

I've looked into the problem and found out that the main reason for this error is that default distributed backend for lightning is nccl. If `compute_on_cpu=True`, it gives the error...