:github_url: https://github.com/pytorch/pytorch

.. _exhale_function_namespaceat_1_1symint_1af248686381153eef83bd8cb77de47331:

Template Function at::symint::_flash_attention_backward(const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, int64_t, int64_t, double, bool, const at::Tensor&, const at::Tensor&, ::std::optional<double>, ::std::optional<int64_t>, ::std::optional<int64_t>)
==================================================================================================================================================================================================================================================================================================================================================================

- Defined in :ref:`file_build_aten_src_ATen_Functions.h`


Function Documentation
----------------------


.. doxygenfunction:: at::symint::_flash_attention_backward(const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, const at::Tensor&, int64_t, int64_t, double, bool, const at::Tensor&, const at::Tensor&, ::std::optional<double>, ::std::optional<int64_t>, ::std::optional<int64_t>)
   :project: PyTorch