Serialization and range reduction support for Fake Quant/Observer (#26519)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26519
ghstack-source-id: 90895631
Test Plan:
buck test caffe2/test:quantization -- 'test_histogram_observer \(test_quantization\.ObserverTest\)' --print-passing-details
and
buck test caffe2/test:fake_quant -- 'test_fq_serializable \(test_fake_quant\.TestFakeQuantizePerTensorAffine\)' --print-passing-details
Differential Revision: D17217408
fbshipit-source-id: 0da7efdcdae0c065dd035c5dd2b6a78231545ece
