use graph transform to deal with more general cases for efficient_conv_bn_eval #1259
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Motivation
Prior to this PR,
efficient_conv_bn_evaloperates in module level. It modifies theforwardfunction ofconvandbnmodules. Therefore, it cannot deal with multiple usage ofconv.This PR improves the
efficient_conv_bn_evalfeature to operate in computation level. We fuse each computation ofconvandbn. No changes instate_dict, no constraints for the network architecture. As long as there areconv+bninevalcomputation patterns, this PR works.See the updated test for example.
BC-breaking (Optional)
No. It just changes the implementation of
efficient_conv_bn_eval.