pytorch

4a8ef452 - Add new backend type for Intel heterogeneous computation platform. (#49786)

Add new backend type for Intel heterogeneous computation platform. (#49786) Summary: Add a new device type 'XPU' ('xpu' for lower case) to PyTorch. Changes are needed for code related to device model and kernel dispatch, e.g. DeviceType, Backend and DispatchKey etc. https://github.com/pytorch/pytorch/issues/48246 Pull Request resolved: https://github.com/pytorch/pytorch/pull/49786 Reviewed By: mrshenli Differential Revision: D25893962 Pulled By: ezyang fbshipit-source-id: 7ff0a316ee34cf0ed6fc7ead08ecdeb7df4b0052