pytorch

730b65f1 - [PyTorch Edge] Perform QMatMul Requantization within Ruy (#73245)

[PyTorch Edge] Perform QMatMul Requantization within Ruy (#73245) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/73245 The multiplier fixedpoint and multiplier exponent as determined by ruy::QuantizeMultiplier are explained in section 2.2 of https://arxiv.org/pdf/1712.05877.pdf ghstack-source-id: 151250872 Test Plan: From fbcode: ```buck test caffe2/test:quantization -- test_qmatmul``` Performance Improvement/Benchmarking: See testplan of D34012771 Reviewed By: kimishpatel Differential Revision: D33733271 fbshipit-source-id: 031131fd49e139629734e82f21977b147016dc73 (cherry picked from commit 592123974db93eea634391fdfe75dad9b9c00ca1)