Optimize SpatialBNOp on GPU (#16395)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16395
Optimize SpatialBNOp on GPU
i-am-not-moving-c2-to-c10
Reviewed By: houseroad
Differential Revision: D13829833
fbshipit-source-id: 04d2a63e8e9830c4c39a91cf87fcd7aa765dc55f
