wget http://developer.download.nvidia.com/compute/cuda/11.0.2/local_installers/cuda_11.0.2_450.51.05_linux.run
sudo sh cuda_11.0.2_450.51.05_linux.run
https://conda.anaconda.org/pytorch/linux-64/pytorch-1.7.1-py3.9_cuda11.0.221_cudnn8.0.5_0.tar.bz2