pytorch

ed89937d - [quant][graphmode][fx] Add fbgemm backend_config_dict (#64288)

[quant][graphmode][fx] Add fbgemm backend_config_dict (#64288) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/64288 This is just to setup the file structure and unblock experimentation. The format for backend_config_dict will change in the future Test Plan: python test/test_quantization.py TestQuantizeFx python test/test_quantization.py TestQuantizeFxOps Imported from OSS Reviewed By: zou3519 Differential Revision: D30699457 fbshipit-source-id: 28211a4def05d34757850c045a36e311f54760fe