Quantized Max Pool op (#20474)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/20474
parallel implementaiton of the MaxPool (no ReLU).
Reviewed By: dskhudia
Differential Revision: D15327923
fbshipit-source-id: ca6475e7fe1434b55d4b7730a074bb7ff50355fd
