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dynarmic: Add unsafe optimizations

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

2
externals/dynarmic vendored

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

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@ -143,7 +143,7 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
config.wall_clock_cntpct = uses_wall_clock; config.wall_clock_cntpct = uses_wall_clock;
// Safe optimizations // Safe optimizations
if (Settings::values.cpu_accuracy != Settings::CPUAccuracy::Accurate) { if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::DebugMode) {
if (!Settings::values.cpuopt_page_tables) { if (!Settings::values.cpuopt_page_tables) {
config.page_table = nullptr; 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); return std::make_unique<Dynarmic::A32::Jit>(config);
} }

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@ -195,7 +195,7 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
config.wall_clock_cntpct = uses_wall_clock; config.wall_clock_cntpct = uses_wall_clock;
// Safe optimizations // Safe optimizations
if (Settings::values.cpu_accuracy != Settings::CPUAccuracy::Accurate) { if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::DebugMode) {
if (!Settings::values.cpuopt_page_tables) { if (!Settings::values.cpuopt_page_tables) {
config.page_table = nullptr; 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); return std::make_shared<Dynarmic::A64::Jit>(config);
} }

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

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

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

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

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@ -38,6 +38,11 @@
<string>Accurate</string> <string>Accurate</string>
</property> </property>
</item> </item>
<item>
<property name="text">
<string>Unsafe</string>
</property>
</item>
<item> <item>
<property name="text"> <property name="text">
<string>Enable Debug Mode</string> <string>Enable Debug Mode</string>
@ -62,6 +67,53 @@
</item> </item>
</layout> </layout>
</item> </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> <item>
<spacer name="verticalSpacer"> <spacer name="verticalSpacer">
<property name="orientation"> <property name="orientation">