pytorch

43f0ccd1 - torch.cuda.memory_allocated to return `{}` if not initialized (#51179)

torch.cuda.memory_allocated to return `{}` if not initialized (#51179) Summary: Fixes https://github.com/pytorch/pytorch/issues/49952 Pull Request resolved: https://github.com/pytorch/pytorch/pull/51179 Reviewed By: ngimel Differential Revision: D26094932 Pulled By: malfet fbshipit-source-id: 0ec28ef9b0604245753d3f2b0e3536286700668d