Install PyTorch with Python 3.8 on Jetpack 4.4.1

I’ve tried to compile the pytorch-1.8 (the master branch on Dec 12, 2020) on JetPack 4.3 (cuda-10.2, cudnn-8) image (ubuntu 18.04) using the gcc-7.5, gcc-8.4, gcc-9.3 and gcc-10.1.

Finally, only the gcc-9.3 can be used to compile the code and generate the final wheel.

The generated wheels can be found in https://icedrive.net/1/76FFGZiyDO.