pytorch

7dc70757 - Per channel fake quant (#26623)

Per channel fake quant (#26623) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/26623 Per-channel fake quant cpu and cuda operators, per-channel support in fake quant module, tests for per-channel fake-quant and serializability of fake quant modules ghstack-source-id: 91008299 ghstack-source-id: 91008299 Test Plan: buck test mode/dev caffe2/test:fake_quant -- Started new test run: https://our.intern.facebook.com/intern/testinfra/testrun/1970324848875929 ✓ caffe2/test:fake_quant - test_backward_per_tensor (test_fake_quant.TestFakeQuantizePerTensor) 0.242 1/10 (passed) ✓ caffe2/test:fake_quant - test_numerical_consistency_per_tensor (test_fake_quant.TestFakeQuantizePerTensor) 0.204 2/10 (passed) ✓ caffe2/test:fake_quant - test_fq_serializable (test_fake_quant.TestFakeQuantizePerTensor) 0.174 3/10 (passed) ✓ caffe2/test:fake_quant - test_numerical_consistency_per_channel (test_fake_quant.TestFakeQuantizePerChannel) 0.279 4/10 (passed) ✓ caffe2/test:fake_quant - test_forward_per_tensor (test_fake_quant.TestFakeQuantizePerTensor) 0.241 5/10 (passed) ✓ caffe2/test:fake_quant - test_forward_per_channel (test_fake_quant.TestFakeQuantizePerChannel) 0.353 6/10 (passed) ✓ caffe2/test:fake_quant - test_fq_module (test_fake_quant.TestFakeQuantizePerTensor) 0.354 7/10 (passed) ✓ caffe2/test:fake_quant - test_backward_per_channel (test_fake_quant.TestFakeQuantizePerChannel) 0.334 8/10 (passed) ✓ caffe2/test:fake_quant - test_fq_serializable (test_fake_quant.TestFakeQuantizePerChannel) 0.168 9/10 (passed) ✓ caffe2/test:fake_quant - test_fq_module (test_fake_quant.TestFakeQuantizePerChannel) 0.429 10/10 (passed) ✓ caffe2/test:fake_quant - main 0.000 (passed) Differential Revision: D17439406 fbshipit-source-id: 64bfff5e4f40bc2ab8af2b432c7bc33805418077