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[AUTOGENERATED] [release/2.7] [release/2.6] Change gfx110x BLAS preferred backend #2128

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[AUTOGENERATED] [release/2.7] [release/2.6] Change gfx110x BLAS preferred backend #2128

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40 changes: 40 additions & 0 deletions aten/src/ATen/Context.h
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Original file line number Diff line number Diff line change
Expand Up @@ -450,9 +450,49 @@ class TORCH_API Context {
c10::utils::check_env("TORCH_LINALG_PREFER_HIPSOLVER") == true) // alias
? at::LinalgBackend::Cusolver
: at::LinalgBackend::Default;
<<<<<<< HEAD
at::BlasBackend blas_preferred_backend =
(c10::utils::check_env("TORCH_BLAS_PREFER_CUBLASLT") == true ||
c10::utils::check_env("TORCH_BLAS_PREFER_HIPBLASLT") == true) // alias
=======
#ifdef USE_ROCM
// AMD Instinct targets prefer hipblaslt
const bool _hipblaslt_preferred_default = []() {
const std::vector<std::string> archs = {
"gfx90a", "gfx942",
#if ROCM_VERSION >= 60300
"gfx1200", "gfx1201",
#endif
#if ROCM_VERSION >= 60500
"gfx950"
#endif
};
for (auto index: c10::irange(detail::getCUDAHooks().deviceCount())) {
if (!detail::getCUDAHooks().isGPUArch(index, archs)) {
return false;
}
}
return true;
}();
#else
const bool _hipblaslt_preferred_default = false;
#endif
const bool _blaslt_preferred = [&]() {
auto env = c10::utils::check_env("TORCH_BLAS_PREFER_CUBLASLT");
if (env.has_value()) {
return env.value();
}
env = c10::utils::check_env("TORCH_BLAS_PREFER_HIPBLASLT");
if (env.has_value()) {
return env.value();
}
#ifdef USE_ROCM
return _hipblaslt_preferred_default;
#endif
return false;
}();
at::BlasBackend blas_preferred_backend = _blaslt_preferred
>>>>>>> 1ded221de6 ([release/2.6] Change gfx110x BLAS preferred backend (#2053))
? at::BlasBackend::Cublaslt
: at::BlasBackend::Default;
at::ROCmFABackend rocm_fa_preferred_backend =
Expand Down