pytorch

40de6b80 - [ONNX] Add infra for quantized model export and support quantized mobilenet v3 (#72215)

[ONNX] Add infra for quantized model export and support quantized mobilenet v3 (#72215) * Add infrastructure and helper functions to enable future work for other quantized operators and models. * Add export for quantized operators needed by torchvision mobilenet v3 large. * ATen namespace: hardsigmoid, flatten, adaptive_avg_pool, quantize_per_tensor, dequantize. * Quantized namespace: conv2d, conv2d_relu, hardswish, add, mul. * Numerous bug fixes, in unpack_quantized_weight.cpp, symbolic functions, and unit test. Co-authored-by: BowenBao <bowbaomicrosoft.com> Pull Request resolved: https://github.com/pytorch/pytorch/pull/73102