Summary:
Moves OpKernel base class to PyTorch core. It is an abstract interface representing a kernel, which is responsible for executing a single Node in the graph.
Torch Native Runtime RFC: pytorch/rfcs#72
Test Plan:
buck2 run mode/dev-nosan caffe2/test/cpp/nativert:op_kernel_test
Rollback Plan:
Differential Revision: D76525939
Pull Request resolved: https://github.com/pytorch/pytorch/pull/156011
Approved by: https://github.com/zhxchen17
