Skip to content

[WebGPU] allows user to specify high-performance or low-power preference #26326

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

Merged
merged 4 commits into from
Oct 21, 2025
Merged

[WebGPU] allows user to specify high-performance or low-power preference #26326

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
cdd6600
impl
Oct 16, 2025
84903f5
move logic up
Oct 16, 2025
a4234f8
Merge remote-tracking branch 'origin' into prathikrao/webgpu-power-pr…
prathikr Oct 20, 2025
fa9d469
Merge remote-tracking branch 'origin' into prathikrao/webgpu-power-pr…
Oct 21, 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
4 changes: 2 additions & 2 deletions onnxruntime/core/providers/webgpu/webgpu_context.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ void WebGpuContext::Initialize(const WebGpuBufferCacheConfig& buffer_cache_confi
// Create wgpu::Adapter
wgpu::RequestAdapterOptions req_adapter_options = {};
req_adapter_options.backendType = static_cast<wgpu::BackendType>(backend_type);
req_adapter_options.powerPreference = wgpu::PowerPreference::HighPerformance;
req_adapter_options.powerPreference = static_cast<wgpu::PowerPreference>(power_preference_);

#if !defined(__wasm__)
auto enabled_adapter_toggles = GetEnabledAdapterToggles();
Expand Down Expand Up @@ -955,7 +955,7 @@ WebGpuContext& WebGpuContextFactory::CreateContext(const WebGpuContextConfig& co
auto it = contexts_.find(context_id);
if (it == contexts_.end()) {
GSL_SUPPRESS(r.11)
auto context = std::unique_ptr<WebGpuContext>(new WebGpuContext(instance, device, config.validation_mode, config.preserve_device, config.small_storage_buffer_binding_size_for_testing));
auto context = std::unique_ptr<WebGpuContext>(new WebGpuContext(instance, device, config.validation_mode, config.preserve_device, config.small_storage_buffer_binding_size_for_testing, config.power_preference));
it = contexts_.emplace(context_id, WebGpuContextFactory::WebGpuContextInfo{std::move(context), 0}).first;
} else if (context_id != 0) {
ORT_ENFORCE(it->second.context->instance_.Get() == instance &&
Expand Down
6 changes: 4 additions & 2 deletions onnxruntime/core/providers/webgpu/webgpu_context.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ struct WebGpuContextConfig {
ValidationMode validation_mode;
bool preserve_device;
bool small_storage_buffer_binding_size_for_testing;
int power_preference;
};

struct WebGpuBufferCacheConfig {
Expand Down Expand Up @@ -177,8 +178,8 @@ class WebGpuContext final {
AtPasses
};

WebGpuContext(WGPUInstance instance, WGPUDevice device, webgpu::ValidationMode validation_mode, bool preserve_device, bool small_storage_buffer_binding_size_for_testing = false)
: instance_{instance}, device_{device}, validation_mode_{validation_mode}, query_type_{TimestampQueryType::None}, preserve_device_{preserve_device}, small_storage_buffer_binding_size_for_testing_{small_storage_buffer_binding_size_for_testing} {}
WebGpuContext(WGPUInstance instance, WGPUDevice device, webgpu::ValidationMode validation_mode, bool preserve_device, bool small_storage_buffer_binding_size_for_testing = false, int power_preference = static_cast<int>(wgpu::PowerPreference::HighPerformance))
: instance_{instance}, device_{device}, validation_mode_{validation_mode}, query_type_{TimestampQueryType::None}, preserve_device_{preserve_device}, small_storage_buffer_binding_size_for_testing_{small_storage_buffer_binding_size_for_testing}, power_preference_{power_preference} {}
ORT_DISALLOW_COPY_ASSIGNMENT_AND_MOVE(WebGpuContext);

void LaunchComputePipeline(const wgpu::ComputePassEncoder& compute_pass_encoder,
Expand Down Expand Up @@ -267,6 +268,7 @@ class WebGpuContext final {
bool is_profiling_ = false;
bool preserve_device_;
bool small_storage_buffer_binding_size_for_testing_;
int power_preference_;
GraphCaptureState graph_capture_state_{GraphCaptureState::Default};

// External vector to store captured commands, owned by EP
Expand Down
16 changes: 16 additions & 0 deletions onnxruntime/core/providers/webgpu/webgpu_provider_factory.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,20 @@ std::shared_ptr<IExecutionProviderFactory> WebGpuProviderFactoryCreator::Create(
}
LOGS_DEFAULT(VERBOSE) << "WebGPU EP small storage buffer binding size for testing: " << small_storage_buffer_binding_size_for_testing;

// power preference
int power_preference = static_cast<int>(WGPUPowerPreference_HighPerformance); // default
std::string power_preference_str;
if (config_options.TryGetConfigEntry(kPowerPreference, power_preference_str)) {
if (power_preference_str == kPowerPreference_HighPerformance) {
power_preference = static_cast<int>(WGPUPowerPreference_HighPerformance);
} else if (power_preference_str == kPowerPreference_LowPower) {
power_preference = static_cast<int>(WGPUPowerPreference_LowPower);
} else {
ORT_THROW("Invalid power preference: ", power_preference_str);
}
}
LOGS_DEFAULT(VERBOSE) << "WebGPU EP power preference: " << power_preference;

webgpu::WebGpuContextConfig context_config{
context_id,
reinterpret_cast<WGPUInstance>(webgpu_instance),
Expand All @@ -176,6 +190,7 @@ std::shared_ptr<IExecutionProviderFactory> WebGpuProviderFactoryCreator::Create(
validation_mode,
preserve_device,
small_storage_buffer_binding_size_for_testing,
power_preference,
};

LOGS_DEFAULT(VERBOSE) << "WebGPU EP Device ID: " << context_id;
Expand All @@ -184,6 +199,7 @@ std::shared_ptr<IExecutionProviderFactory> WebGpuProviderFactoryCreator::Create(
LOGS_DEFAULT(VERBOSE) << "WebGPU EP DawnProcTable: " << dawn_proc_table;
LOGS_DEFAULT(VERBOSE) << "WebGPU EP ValidationMode: " << validation_mode;
LOGS_DEFAULT(VERBOSE) << "WebGPU EP PreserveDevice: " << preserve_device;
LOGS_DEFAULT(VERBOSE) << "WebGPU EP PowerPreference: " << power_preference;

//
// STEP.3 - prepare parameters for WebGPU context initialization.
Expand Down
4 changes: 4 additions & 0 deletions onnxruntime/core/providers/webgpu/webgpu_provider_options.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ constexpr const char* kEnableGraphCapture = "ep.webgpuexecutionprovider.enableGr
constexpr const char* kDawnProcTable = "ep.webgpuexecutionprovider.dawnProcTable";

constexpr const char* kDawnBackendType = "ep.webgpuexecutionprovider.dawnBackendType";
constexpr const char* kPowerPreference = "ep.webgpuexecutionprovider.powerPreference";

constexpr const char* kDeviceId = "ep.webgpuexecutionprovider.deviceId";
constexpr const char* kWebGpuInstance = "ep.webgpuexecutionprovider.webgpuInstance";
Expand All @@ -39,6 +40,9 @@ constexpr const char* kSmallStorageBufferBindingSizeForTesting = "ep.webgpuexecu
constexpr const char* kDawnBackendType_D3D12 = "D3D12";
constexpr const char* kDawnBackendType_Vulkan = "Vulkan";

constexpr const char* kPowerPreference_HighPerformance = "high-performance";
constexpr const char* kPowerPreference_LowPower = "low-power";

constexpr const char* kPreferredLayout_NCHW = "NCHW";
constexpr const char* kPreferredLayout_NHWC = "NHWC";

Expand Down
Loading