Yes. Reading source code on how it’s implemented is a good way. Here are some pointers for the code: Python related: https://github.com/pytorch/pytorch/tree/master/torch/quantization 60
C++ kernels: https://github.com/pytorch/pytorch/tree/master/aten/src/ATen/native/quantized/cpu 23
You may also want to check the recent changes to these file and comments on related PRs to get some context.