[static runtime] aten::to copy out variant (#52343)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52343
aten::to returns self when the TensorOptions match and copy is set to false. For static runtime, always copy. There isn't a separate op for aten::to copy, but instead the same function
with different arguments.
Test Plan:
On AdFinder local_ro:
Before:
0.896742
0.00824827 ms. 0.92773%. aten::to (5 nodes)
After:
0.88233
0.0056607 ms. 0.644675%. aten::to (5 nodes)
buck test mode/opt caffe2/benchmarks/static_runtime:static_runtime_cpptest
Reviewed By: hlu1
Differential Revision: D26477980
fbshipit-source-id: 8e8448092adff38c141af1ce27a10acd39c07dd1
