install torch for apple mac m1

reference:

• https://pytorch.org/blog/introducing-accelerated-pytorch-training-on-mac/
• https://developer.apple.com/metal/pytorch/

pip3 install --pre torch torchvision --extra-index-url https://download.pytorch.org/whl/nightly/cpu

install tensorflow for apple mac m1

reference:

• https://developer.apple.com/metal/tensorflow-plugin/

pip install tensorflow