Skip to content

Enable SME2 Streaming SVE in ARM #9126

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

Enable SME2 Streaming SVE in ARM #9126

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
e86216f
Enable SME2 Streaming SVE in ARM
stevesuzuki-arm Aug 21, 2025
6d2059c
Fix compile error in Windows build
stevesuzuki-arm May 7, 2026
75596df
suppress SME spell-check issues
alexreinking May 7, 2026
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
2 changes: 1 addition & 1 deletion .pre-commit-config.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ repos:
rev: v2.4.1
hooks:
- id: codespell
args: [ --ignore-words-list, "CreateOr,implementors,PADD,re-use,re-used,re-using,subtile,subtiles,tRe" ]
args: [ --ignore-words-list, "CreateOr,implementors,PADD,re-use,re-used,re-using,SME,+sme,subtile,subtiles,tRe" ]
exclude: |
(?x)(
^src/autoschedulers/common/cmdline\.h$
Expand Down
2 changes: 2 additions & 0 deletions Makefile
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -543,6 +543,7 @@ SOURCE_FILES = \
LoopCarry.cpp \
Lower.cpp \
LowerParallelTasks.cpp \
LowerSMEStreamingTasks.cpp \
LowerWarpShuffles.cpp \
Memoization.cpp \
Module.cpp \
Expand Down Expand Up @@ -747,6 +748,7 @@ HEADER_FILES = \
LoopPartitioningDirective.h \
Lower.h \
LowerParallelTasks.h \
LowerSMEStreamingTasks.h \
LowerWarpShuffles.h \
MainPage.h \
Memoization.h \
Expand Down
4 changes: 3 additions & 1 deletion python_bindings/src/halide/halide_/PyEnums.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,8 @@ void define_enums(py::module &m) {
.value("Vulkan", DeviceAPI::Vulkan)
.value("OpenCL", DeviceAPI::OpenCL)
.value("Metal", DeviceAPI::Metal)
.value("Hexagon", DeviceAPI::Hexagon);
.value("Hexagon", DeviceAPI::Hexagon)
.value("Host_SMEStreaming", DeviceAPI::Host_SMEStreaming);

py::enum_<LinkageType>(m, "LinkageType")
.value("External", LinkageType::External)
Expand Down Expand Up @@ -186,6 +187,7 @@ void define_enums(py::module &m) {
.value("WebGPU", Target::Feature::WebGPU)
.value("SVE", Target::Feature::SVE)
.value("SVE2", Target::Feature::SVE2)
.value("SME2", Target::Feature::SME2)
.value("ARMDotProd", Target::Feature::ARMDotProd)
.value("ARMFp16", Target::Feature::ARMFp16)
.value("LLVMLargeCodeModel", Target::Feature::LLVMLargeCodeModel)
Expand Down
2 changes: 2 additions & 0 deletions python_bindings/src/halide/halide_/PyScheduleMethods.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,8 @@ HALIDE_NEVER_INLINE void add_schedule_methods(PythonClass &class_instance) {

.def("hexagon", &T::hexagon, py::arg("x") = Var::outermost())

.def("sme_streaming", &T::sme_streaming, py::arg("enable"), py::arg("x") = Var::outermost())

.def("prefetch", (T & (T::*)(const Func &, const VarOrRVar &, const VarOrRVar &, Expr, PrefetchBoundStrategy)) & T::prefetch, py::arg("func"), py::arg("at"), py::arg("from"), py::arg("offset") = 1, py::arg("strategy") = PrefetchBoundStrategy::GuardWithIf)
.def("prefetch", //
[](T &t, const ImageParam &image, const VarOrRVar &at, const VarOrRVar &from, const Expr &offset, PrefetchBoundStrategy strategy) -> T & {
Expand Down
6 changes: 4 additions & 2 deletions python_bindings/src/halide/halide_/PyTarget.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,8 @@ std::string target_repr(const Target &t) {

void define_target(py::module &m) {
// Disambiguate some ambiguous methods
int (Target::*natural_vector_size_method)(const Type &t) const = &Target::natural_vector_size;
int (Target::*natural_vector_size1_method)(const Type &t) const = &Target::natural_vector_size;
int (Target::*natural_vector_size2_method)(const Type &t, bool is_sme_streaming) const = &Target::natural_vector_size;
bool (Target::*supports_type1_method)(const Type &t) const = &Target::supports_type;
bool (Target::*supports_type2_method)(const Type &t, DeviceAPI device) const = &Target::supports_type;

Expand Down Expand Up @@ -52,7 +53,8 @@ void define_target(py::module &m) {
.def("supports_type", supports_type1_method, py::arg("type"))
.def("supports_type", supports_type2_method, py::arg("type"), py::arg("device"))
.def("supports_device_api", &Target::supports_device_api, py::arg("device"))
.def("natural_vector_size", natural_vector_size_method, py::arg("type"))
.def("natural_vector_size", natural_vector_size1_method, py::arg("type"))
.def("natural_vector_size", natural_vector_size2_method, py::arg("type"), py::arg("is_sme_streaming"))
.def("has_large_buffers", &Target::has_large_buffers)
.def("maximum_buffer_size", &Target::maximum_buffer_size)
.def("supported", &Target::supported)
Expand Down
3 changes: 2 additions & 1 deletion src/AddImageChecks.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,8 @@ class FindBuffers : public IRGraphVisitor {
op->max.accept(this);
bool old = in_device_loop;
if (op->device_api != DeviceAPI::None &&
op->device_api != DeviceAPI::Host) {
op->device_api != DeviceAPI::Host &&
op->device_api != DeviceAPI::Host_SMEStreaming) {
in_device_loop = true;
}
op->body.accept(this);
Expand Down
2 changes: 2 additions & 0 deletions src/CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -154,6 +154,7 @@ target_sources(
LoopPartitioningDirective.h
Lower.h
LowerParallelTasks.h
LowerSMEStreamingTasks.h
LowerWarpShuffles.h
MainPage.h
Memoization.h
Expand Down Expand Up @@ -332,6 +333,7 @@ target_sources(
LoopCarry.cpp
Lower.cpp
LowerParallelTasks.cpp
LowerSMEStreamingTasks.cpp
LowerWarpShuffles.cpp
Memoization.cpp
Module.cpp
Expand Down
Loading
Loading