Do you think there’s a script I can use in https://github.com/pytorch/builder 3 that will produce exactly the same public wheel but only for the architectures we care about?  Maybe it would be easier to use something closer to your CI.
The other mystery still remains.  What made the public wheel double in size?
cu102/torch-1.7.0-cp37-cp37m-linux_x86_64.whl -> torch/lib/libtorch_cuda.so: 1.1GB
cu110/torch-1.7.0%2Bcu110-cp37-cp37m-linux_x86_64.whl -> torch/lib/libtorch_cuda.so: 2.2GB