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Summary: To supports older versions of sympy. Test Plan: ``` buck2 run @//mode/opt @//mode/inplace -c python.package_style=inplace -c fbcode.enable_gpu_sections=true //caffe2/benchmarks/dynamo:torchbench -- -dcuda --performance --inductor --only hf_T5 ``` Differential Revision: D42812188 Pull Request resolved: https://github.com/pytorch/pytorch/pull/93171 Approved by: https://github.com/eellison
Note [TH abstraction violation] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ TH/THC provide some hpp headers, which are proper C++ headers rather than C headers. These headers serve double duty as *internal implementation detail* headers, whose contents should largely not be used by external clients. Ideally, we would not install these headers at all; instead, you should use public functions (in headers like `THTensor.h`, NOT `THTensor.hpp`) to manipulate these structs. However, there are a few places in torch/csrc where we violate this abstraction. They are marked with a pointer to this note. Each of those sites will have to be refactored when we refactor the guts of THTensor and related structures.