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dynarmic: Add unsafe optimizations

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This commit is contained in:
MerryMage 2020-08-16 13:19:55 +01:00
parent db96034ea4
commit 836ec9176a
8 changed files with 109 additions and 5 deletions
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2
externals/dynarmic vendored

@ -1 +1 @@
Subproject commit 82417da7803e2cf18efc28a1cd3f3d0a4b6045ae
Subproject commit 0e1112b7df77ae55a62a51622940d5c8f9e8c84c

13
src/core/arm/dynarmic/arm_dynarmic_32.cpp
View file

@ -143,7 +143,7 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
config.wall_clock_cntpct = uses_wall_clock;
// Safe optimizations
if (Settings::values.cpu_accuracy != Settings::CPUAccuracy::Accurate) {
if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::DebugMode) {
if (!Settings::values.cpuopt_page_tables) {
config.page_table = nullptr;
}
@ -170,6 +170,17 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
}
}
// Unsafe optimizations
if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::Unsafe) {
config.unsafe_optimizations = true;
if (Settings::values.cpuopt_unsafe_unfuse_fma) {
config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_UnfuseFMA;
}
if (Settings::values.cpuopt_unsafe_reduce_fp_error) {
config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_ReducedErrorFP;
}
}
return std::make_unique<Dynarmic::A32::Jit>(config);
}

13
src/core/arm/dynarmic/arm_dynarmic_64.cpp
View file

@ -195,7 +195,7 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
config.wall_clock_cntpct = uses_wall_clock;
// Safe optimizations
if (Settings::values.cpu_accuracy != Settings::CPUAccuracy::Accurate) {
if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::DebugMode) {
if (!Settings::values.cpuopt_page_tables) {
config.page_table = nullptr;
}
@ -222,6 +222,17 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
}
}
// Unsafe optimizations
if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::Unsafe) {
config.unsafe_optimizations = true;
if (Settings::values.cpuopt_unsafe_unfuse_fma) {
config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_UnfuseFMA;
}
if (Settings::values.cpuopt_unsafe_reduce_fp_error) {
config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_ReducedErrorFP;
}
}
return std::make_shared<Dynarmic::A64::Jit>(config);
}

6
src/core/settings.h
View file

@ -359,7 +359,8 @@ enum class GPUAccuracy : u32 {
enum class CPUAccuracy {
Accurate = 0,
DebugMode = 1,
Unsafe = 1,
DebugMode = 2,
};
extern bool configuring_global;
@ -419,6 +420,9 @@ struct Values {
bool cpuopt_misc_ir;
bool cpuopt_reduce_misalign_checks;
bool cpuopt_unsafe_unfuse_fma;
bool cpuopt_unsafe_reduce_fp_error;
// Renderer
Setting<RendererBackend> renderer_backend;
bool renderer_debug;

10
src/yuzu/configuration/config.cpp
View file

@ -638,6 +638,11 @@ void Config::ReadCpuValues() {
ReadSetting(QStringLiteral("cpuopt_misc_ir"), true).toBool();
Settings::values.cpuopt_reduce_misalign_checks =
ReadSetting(QStringLiteral("cpuopt_reduce_misalign_checks"), true).toBool();
Settings::values.cpuopt_unsafe_unfuse_fma =
ReadSetting(QStringLiteral("cpuopt_unsafe_unfuse_fma"), true).toBool();
Settings::values.cpuopt_unsafe_reduce_fp_error =
ReadSetting(QStringLiteral("cpuopt_unsafe_reduce_fp_error"), true).toBool();
}
qt_config->endGroup();
@ -1135,6 +1140,11 @@ void Config::SaveCpuValues() {
WriteSetting(QStringLiteral("cpuopt_misc_ir"), Settings::values.cpuopt_misc_ir, true);
WriteSetting(QStringLiteral("cpuopt_reduce_misalign_checks"),
Settings::values.cpuopt_reduce_misalign_checks, true);
WriteSetting(QStringLiteral("cpuopt_unsafe_unfuse_fma"),
Settings::values.cpuopt_unsafe_unfuse_fma, true);
WriteSetting(QStringLiteral("cpuopt_unsafe_reduce_fp_error"),
Settings::values.cpuopt_unsafe_reduce_fp_error, true);
}
qt_config->endGroup();

17
src/yuzu/configuration/configure_cpu.cpp
View file

@ -19,6 +19,8 @@ ConfigureCpu::ConfigureCpu(QWidget* parent) : QWidget(parent), ui(new Ui::Config
connect(ui->accuracy, qOverload<int>(&QComboBox::activated), this,
&ConfigureCpu::AccuracyUpdated);
connect(ui->accuracy, qOverload<int>(&QComboBox::currentIndexChanged), this,
&ConfigureCpu::UpdateGroup);
}
ConfigureCpu::~ConfigureCpu() = default;
@ -28,6 +30,12 @@ void ConfigureCpu::SetConfiguration() {
ui->accuracy->setEnabled(runtime_lock);
ui->accuracy->setCurrentIndex(static_cast<int>(Settings::values.cpu_accuracy));
UpdateGroup(static_cast<int>(Settings::values.cpu_accuracy));
ui->cpuopt_unsafe_unfuse_fma->setEnabled(runtime_lock);
ui->cpuopt_unsafe_unfuse_fma->setChecked(Settings::values.cpuopt_unsafe_unfuse_fma);
ui->cpuopt_unsafe_reduce_fp_error->setEnabled(runtime_lock);
ui->cpuopt_unsafe_reduce_fp_error->setChecked(Settings::values.cpuopt_unsafe_reduce_fp_error);
}
void ConfigureCpu::AccuracyUpdated(int index) {
@ -38,14 +46,21 @@ void ConfigureCpu::AccuracyUpdated(int index) {
QMessageBox::Yes | QMessageBox::No);
if (result == QMessageBox::No) {
ui->accuracy->setCurrentIndex(static_cast<int>(Settings::CPUAccuracy::Accurate));
return;
UpdateGroup(static_cast<int>(Settings::CPUAccuracy::Accurate));
}
}
}
void ConfigureCpu::UpdateGroup(int index) {
ui->unsafe_group->setVisible(static_cast<Settings::CPUAccuracy>(index) ==
Settings::CPUAccuracy::Unsafe);
}
void ConfigureCpu::ApplyConfiguration() {
Settings::values.cpu_accuracy =
static_cast<Settings::CPUAccuracy>(ui->accuracy->currentIndex());
Settings::values.cpuopt_unsafe_unfuse_fma = ui->cpuopt_unsafe_unfuse_fma->isChecked();
Settings::values.cpuopt_unsafe_reduce_fp_error = ui->cpuopt_unsafe_reduce_fp_error->isChecked();
}
void ConfigureCpu::changeEvent(QEvent* event) {

1
src/yuzu/configuration/configure_cpu.h
View file

@ -26,6 +26,7 @@ private:
void RetranslateUI();
void AccuracyUpdated(int index);
void UpdateGroup(int index);
void SetConfiguration();

52
src/yuzu/configuration/configure_cpu.ui
View file

@ -38,6 +38,11 @@
<string>Accurate</string>
</property>
</item>
<item>
<property name="text">
<string>Unsafe</string>
</property>
</item>
<item>
<property name="text">
<string>Enable Debug Mode</string>
@ -62,6 +67,53 @@
</item>
</layout>
</item>
<item>
<layout class="QVBoxLayout">
<item>
<widget class="QGroupBox" name="unsafe_group">
<property name="title">
<string>Unsafe CPU Optimization Settings</string>
</property>
<layout class="QVBoxLayout">
<item>
<widget class="QLabel">
<property name="wordWrap">
<bool>1</bool>
</property>
<property name="text">
<string>These settings reduce accuracy for speed.</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_unsafe_unfuse_fma">
<property name="text">
<string>Unfuse FMA (improve performance on CPUs without FMA)</string>
</property>
<property name="toolTip">
<string>
&lt;div&gt;This option improves speed by reducing accuracy of fused-multiply-add instructions on CPUs without native FMA support.&lt;/div&gt;
</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_unsafe_reduce_fp_error">
<property name="text">
<string>Faster FRSQRTE and FRECPE</string>
</property>
<property name="toolTip">
<string>
&lt;div&gt;This option improves the speed of some approximate floating-point functions by using less accurate native approximations.&lt;/div&gt;
</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
</layout>
</item>
<item>
<spacer name="verticalSpacer">
<property name="orientation">