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pytorch/test/cpp/aoti_abi_check/README.md
Bin Bao 4946638f06 [AOTI] Add ABI-compatiblity tests (#123848) 
Summary: In AOTInductor generated CPU model code, there can be direct references to some aten/c10 utility functions and data structures, e.g. at::vec and c10::Half. These are performance critical and thus it doesn't make sense to create C shim for them. Instead, we make sure they are implemented in a header-only way, and use this set of tests to guard future changes.

There are more header files to be updated, but we will do it in other followup PRs.

Pull Request resolved: https://github.com/pytorch/pytorch/pull/123848
Approved by: https://github.com/jansel
ghstack dependencies: #123847
2024-04-19 00:51:24 +00:00

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Tests in this directory are meant to guard certain ATen/c10 util functions and data structures are implemented in a header-only fashion, to make sure AOTInductor generated CPU model code is ABI backward-compatible.