Skip to content

Remove clang::optnone attribute for IgammaFunctor #2351

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 3 commits into
base: main
Choose a base branch
from
Open

Remove clang::optnone attribute for IgammaFunctor #2351

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
0b42cb7
remove clang::optnone attribute for IgammaFunctor
gaopengff Nov 13, 2025
dd3cb3e
Merge branch 'main' into gaopengf/remove_optnone_attribute
gaopengff Nov 13, 2025
a2711b0
rewrite kernel functor
gaopengff Nov 14, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
21 changes: 11 additions & 10 deletions src/ATen/native/xpu/sycl/IGammaKernel.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,26 +9,27 @@ namespace at::native::xpu {

template <typename scalar_t>
struct IgammaFunctor {
IgammaFunctor(bool calc_igammac) : calc_igammac_(calc_igammac) {}
bool calc_igammac_;
[[clang::optnone]] scalar_t operator()(scalar_t a, scalar_t b) const {
if (calc_igammac_) {
return calc_igammac<scalar_t>(a, b);
} else {
return calc_igamma<scalar_t>(a, b);
}
scalar_t operator()(scalar_t a, scalar_t b) const {
return calc_igamma<scalar_t>(a, b);
}
};

template <typename scalar_t>
struct IgammacFunctor {
scalar_t operator()(scalar_t a, scalar_t b) const {
return calc_igammac<scalar_t>(a, b);
}
};

void igamma_kernel(TensorIteratorBase& iter) {
AT_DISPATCH_FLOATING_TYPES(iter.common_dtype(), "igamma_xpu", [&]() {
gpu_kernel(iter, IgammaFunctor<scalar_t>(false));
gpu_kernel(iter, IgammaFunctor<scalar_t>());
});
}

void igammac_kernel(TensorIteratorBase& iter) {
AT_DISPATCH_FLOATING_TYPES(iter.common_dtype(), "igammac_xpu", [&]() {
gpu_kernel(iter, IgammaFunctor<scalar_t>(true));
gpu_kernel(iter, IgammacFunctor<scalar_t>());
});
}

Expand Down