pytorch

c2e576e7 - Per channel quantization support in insert_prepack_unpack (#29701)

Per channel quantization support in insert_prepack_unpack (#29701) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/29701 att Test Plan: python test/test_jit.py 'TestJit.test_insert_prepack_unpack' Imported from OSS Differential Revision: D18580908 fbshipit-source-id: 2d1ce9b6279586198cb53a7fd2a35325fa20bf20