Solved by driazati in post #2 
              
              
                Are you on the latest version of PyTorch (1.3)? We made some changes to significantly decrease the size of TorchScript binaries. For mobilenet_v2 on the nightly version of PyTorch, I get very similar sizes between eager PyTorch and TorchScript: 
$ ls -la --block-size=M
-rw-------.  1 user user 15M N…