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configuration: Add settings to enable/disable specific CPU optimizations

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This commit is contained in:
MerryMage 2020-07-11 14:26:36 +01:00
parent a0ee597b19
commit 0193202964
17 changed files with 405 additions and 30 deletions
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2
externals/dynarmic vendored

@ -1 +1 @@
Subproject commit 4f967387c07365b7ea35d2fa3e19b7df8872a09b
Subproject commit 82417da7803e2cf18efc28a1cd3f3d0a4b6045ae

28
src/core/arm/dynarmic/arm_dynarmic_32.cpp
View file

@ -142,10 +142,30 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
// Timing
config.wall_clock_cntpct = uses_wall_clock;
// Optimizations
if (Settings::values.disable_cpu_opt) {
config.enable_optimizations = false;
config.enable_fast_dispatch = false;
// Safe optimizations
if (!Settings::values.cpuopt_page_tables) {
config.page_table = nullptr;
}
if (!Settings::values.cpuopt_block_linking) {
config.optimizations &= ~Dynarmic::OptimizationFlag::BlockLinking;
}
if (!Settings::values.cpuopt_return_stack_buffer) {
config.optimizations &= ~Dynarmic::OptimizationFlag::ReturnStackBuffer;
}
if (!Settings::values.cpuopt_fast_dispatcher) {
config.optimizations &= ~Dynarmic::OptimizationFlag::FastDispatch;
}
if (!Settings::values.cpuopt_context_elimination) {
config.optimizations &= ~Dynarmic::OptimizationFlag::GetSetElimination;
}
if (!Settings::values.cpuopt_const_prop) {
config.optimizations &= ~Dynarmic::OptimizationFlag::ConstProp;
}
if (!Settings::values.cpuopt_misc_ir) {
config.optimizations &= ~Dynarmic::OptimizationFlag::MiscIROpt;
}
if (!Settings::values.cpuopt_reduce_misalign_checks) {
config.only_detect_misalignment_via_page_table_on_page_boundary = false;
}
return std::make_unique<Dynarmic::A32::Jit>(config);

32
src/core/arm/dynarmic/arm_dynarmic_64.cpp
View file

@ -191,15 +191,35 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
// Unpredictable instructions
config.define_unpredictable_behaviour = true;
// Optimizations
if (Settings::values.disable_cpu_opt) {
config.enable_optimizations = false;
config.enable_fast_dispatch = false;
}
// Timing
config.wall_clock_cntpct = uses_wall_clock;
// Safe optimizations
if (!Settings::values.cpuopt_page_tables) {
config.page_table = nullptr;
}
if (!Settings::values.cpuopt_block_linking) {
config.optimizations &= ~Dynarmic::OptimizationFlag::BlockLinking;
}
if (!Settings::values.cpuopt_return_stack_buffer) {
config.optimizations &= ~Dynarmic::OptimizationFlag::ReturnStackBuffer;
}
if (!Settings::values.cpuopt_fast_dispatcher) {
config.optimizations &= ~Dynarmic::OptimizationFlag::FastDispatch;
}
if (!Settings::values.cpuopt_context_elimination) {
config.optimizations &= ~Dynarmic::OptimizationFlag::GetSetElimination;
}
if (!Settings::values.cpuopt_const_prop) {
config.optimizations &= ~Dynarmic::OptimizationFlag::ConstProp;
}
if (!Settings::values.cpuopt_misc_ir) {
config.optimizations &= ~Dynarmic::OptimizationFlag::MiscIROpt;
}
if (!Settings::values.cpuopt_reduce_misalign_checks) {
config.only_detect_misalignment_via_page_table_on_page_boundary = false;
}
return std::make_shared<Dynarmic::A64::Jit>(config);
}

11
src/core/settings.h
View file

@ -427,6 +427,16 @@ struct Values {
// Core
Setting<bool> use_multi_core;
// Cpu
bool cpuopt_page_tables;
bool cpuopt_block_linking;
bool cpuopt_return_stack_buffer;
bool cpuopt_fast_dispatcher;
bool cpuopt_context_elimination;
bool cpuopt_const_prop;
bool cpuopt_misc_ir;
bool cpuopt_reduce_misalign_checks;
// Renderer
Setting<RendererBackend> renderer_backend;
bool renderer_debug;
@ -505,7 +515,6 @@ struct Values {
bool dump_nso;
bool reporting_services;
bool quest_flag;
bool disable_cpu_opt;
bool disable_macro_jit;
// Misceallaneous

3
src/yuzu/CMakeLists.txt
View file

@ -30,6 +30,9 @@ add_executable(yuzu
configuration/configure_audio.cpp
configuration/configure_audio.h
configuration/configure_audio.ui
configuration/configure_cpu.cpp
configuration/configure_cpu.h
configuration/configure_cpu.ui
configuration/configure_debug.cpp
configuration/configure_debug.h
configuration/configure_debug.ui

53
src/yuzu/configuration/config.cpp
View file

@ -540,8 +540,6 @@ void Config::ReadDebuggingValues() {
Settings::values.reporting_services =
ReadSetting(QStringLiteral("reporting_services"), false).toBool();
Settings::values.quest_flag = ReadSetting(QStringLiteral("quest_flag"), false).toBool();
Settings::values.disable_cpu_opt =
ReadSetting(QStringLiteral("disable_cpu_opt"), false).toBool();
Settings::values.disable_macro_jit =
ReadSetting(QStringLiteral("disable_macro_jit"), false).toBool();
@ -633,6 +631,31 @@ void Config::ReadPathValues() {
qt_config->endGroup();
}
void Config::ReadCpuValues() {
qt_config->beginGroup(QStringLiteral("Cpu"));
if (global) {
Settings::values.cpuopt_page_tables =
ReadSetting(QStringLiteral("cpuopt_page_tables"), true).toBool();
Settings::values.cpuopt_block_linking =
ReadSetting(QStringLiteral("cpuopt_block_linking"), true).toBool();
Settings::values.cpuopt_return_stack_buffer =
ReadSetting(QStringLiteral("cpuopt_return_stack_buffer"), true).toBool();
Settings::values.cpuopt_fast_dispatcher =
ReadSetting(QStringLiteral("cpuopt_fast_dispatcher"), true).toBool();
Settings::values.cpuopt_context_elimination =
ReadSetting(QStringLiteral("cpuopt_context_elimination"), true).toBool();
Settings::values.cpuopt_const_prop =
ReadSetting(QStringLiteral("cpuopt_const_prop"), true).toBool();
Settings::values.cpuopt_misc_ir =
ReadSetting(QStringLiteral("cpuopt_misc_ir"), true).toBool();
Settings::values.cpuopt_reduce_misalign_checks =
ReadSetting(QStringLiteral("cpuopt_reduce_misalign_checks"), true).toBool();
}
qt_config->endGroup();
}
void Config::ReadRendererValues() {
qt_config->beginGroup(QStringLiteral("Renderer"));
@ -829,6 +852,7 @@ void Config::ReadValues() {
ReadMiscellaneousValues();
}
ReadCoreValues();
ReadCpuValues();
ReadRendererValues();
ReadAudioValues();
ReadSystemValues();
@ -929,6 +953,7 @@ void Config::SaveValues() {
SaveMiscellaneousValues();
}
SaveCoreValues();
SaveCpuValues();
SaveRendererValues();
SaveAudioValues();
SaveSystemValues();
@ -1033,7 +1058,6 @@ void Config::SaveDebuggingValues() {
WriteSetting(QStringLiteral("dump_exefs"), Settings::values.dump_exefs, false);
WriteSetting(QStringLiteral("dump_nso"), Settings::values.dump_nso, false);
WriteSetting(QStringLiteral("quest_flag"), Settings::values.quest_flag, false);
WriteSetting(QStringLiteral("disable_cpu_opt"), Settings::values.disable_cpu_opt, false);
WriteSetting(QStringLiteral("disable_macro_jit"), Settings::values.disable_macro_jit, false);
qt_config->endGroup();
@ -1097,6 +1121,29 @@ void Config::SavePathValues() {
qt_config->endGroup();
}
void Config::SaveCpuValues() {
qt_config->beginGroup(QStringLiteral("Cpu"));
if (global) {
WriteSetting(QStringLiteral("cpuopt_page_tables"), Settings::values.cpuopt_page_tables,
true);
WriteSetting(QStringLiteral("cpuopt_block_linking"), Settings::values.cpuopt_block_linking,
true);
WriteSetting(QStringLiteral("cpuopt_return_stack_buffer"),
Settings::values.cpuopt_return_stack_buffer, true);
WriteSetting(QStringLiteral("cpuopt_fast_dispatcher"),
Settings::values.cpuopt_fast_dispatcher, true);
WriteSetting(QStringLiteral("cpuopt_context_elimination"),
Settings::values.cpuopt_context_elimination, true);
WriteSetting(QStringLiteral("cpuopt_const_prop"), Settings::values.cpuopt_const_prop, true);
WriteSetting(QStringLiteral("cpuopt_misc_ir"), Settings::values.cpuopt_misc_ir, true);
WriteSetting(QStringLiteral("cpuopt_reduce_misalign_checks"),
Settings::values.cpuopt_reduce_misalign_checks, true);
}
qt_config->endGroup();
}
void Config::SaveRendererValues() {
qt_config->beginGroup(QStringLiteral("Renderer"));

2
src/yuzu/configuration/config.h
View file

@ -49,6 +49,7 @@ private:
void ReadDisabledAddOnValues();
void ReadMiscellaneousValues();
void ReadPathValues();
void ReadCpuValues();
void ReadRendererValues();
void ReadShortcutValues();
void ReadSystemValues();
@ -73,6 +74,7 @@ private:
void SaveDisabledAddOnValues();
void SaveMiscellaneousValues();
void SavePathValues();
void SaveCpuValues();
void SaveRendererValues();
void SaveShortcutValues();
void SaveSystemValues();

11
src/yuzu/configuration/configure.ui
View file

@ -78,6 +78,11 @@
<string>Hotkeys</string>
</attribute>
</widget>
<widget class="ConfigureCpu" name="cpuTab">
<attribute name="title">
<string>CPU</string>
</attribute>
</widget>
<widget class="ConfigureGraphics" name="graphicsTab">
<attribute name="title">
<string>Graphics</string>
@ -158,6 +163,12 @@
<header>configuration/configure_debug.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>ConfigureCpu</class>
<extends>QWidget</extends>
<header>configuration/configure_cpu.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>ConfigureGraphics</class>
<extends>QWidget</extends>

64
src/yuzu/configuration/configure_cpu.cpp Normal file
View file

@ -0,0 +1,64 @@
// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <QComboBox>
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "core/settings.h"
#include "ui_configure_cpu.h"
#include "yuzu/configuration/configure_cpu.h"
ConfigureCpu::ConfigureCpu(QWidget* parent) : QWidget(parent), ui(new Ui::ConfigureCpu) {
ui->setupUi(this);
SetConfiguration();
}
ConfigureCpu::~ConfigureCpu() = default;
void ConfigureCpu::SetConfiguration() {
const bool runtime_lock = !Core::System::GetInstance().IsPoweredOn();
ui->cpuopt_page_tables->setEnabled(runtime_lock);
ui->cpuopt_page_tables->setChecked(Settings::values.cpuopt_page_tables);
ui->cpuopt_block_linking->setEnabled(runtime_lock);
ui->cpuopt_block_linking->setChecked(Settings::values.cpuopt_block_linking);
ui->cpuopt_return_stack_buffer->setEnabled(runtime_lock);
ui->cpuopt_return_stack_buffer->setChecked(Settings::values.cpuopt_return_stack_buffer);
ui->cpuopt_fast_dispatcher->setEnabled(runtime_lock);
ui->cpuopt_fast_dispatcher->setChecked(Settings::values.cpuopt_fast_dispatcher);
ui->cpuopt_context_elimination->setEnabled(runtime_lock);
ui->cpuopt_context_elimination->setChecked(Settings::values.cpuopt_context_elimination);
ui->cpuopt_const_prop->setEnabled(runtime_lock);
ui->cpuopt_const_prop->setChecked(Settings::values.cpuopt_const_prop);
ui->cpuopt_misc_ir->setEnabled(runtime_lock);
ui->cpuopt_misc_ir->setChecked(Settings::values.cpuopt_misc_ir);
ui->cpuopt_reduce_misalign_checks->setEnabled(runtime_lock);
ui->cpuopt_reduce_misalign_checks->setChecked(Settings::values.cpuopt_reduce_misalign_checks);
}
void ConfigureCpu::ApplyConfiguration() {
Settings::values.cpuopt_page_tables = ui->cpuopt_page_tables->isChecked();
Settings::values.cpuopt_block_linking = ui->cpuopt_block_linking->isChecked();
Settings::values.cpuopt_return_stack_buffer = ui->cpuopt_return_stack_buffer->isChecked();
Settings::values.cpuopt_fast_dispatcher = ui->cpuopt_fast_dispatcher->isChecked();
Settings::values.cpuopt_context_elimination = ui->cpuopt_context_elimination->isChecked();
Settings::values.cpuopt_const_prop = ui->cpuopt_const_prop->isChecked();
Settings::values.cpuopt_misc_ir = ui->cpuopt_misc_ir->isChecked();
Settings::values.cpuopt_reduce_misalign_checks = ui->cpuopt_reduce_misalign_checks->isChecked();
}
void ConfigureCpu::changeEvent(QEvent* event) {
if (event->type() == QEvent::LanguageChange) {
RetranslateUI();
}
QWidget::changeEvent(event);
}
void ConfigureCpu::RetranslateUI() {
ui->retranslateUi(this);
}

31
src/yuzu/configuration/configure_cpu.h Normal file
View file

@ -0,0 +1,31 @@
// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <QWidget>
#include "core/settings.h"
namespace Ui {
class ConfigureCpu;
}
class ConfigureCpu : public QWidget {
Q_OBJECT
public:
explicit ConfigureCpu(QWidget* parent = nullptr);
~ConfigureCpu() override;
void ApplyConfiguration();
private:
void changeEvent(QEvent* event) override;
void RetranslateUI();
void SetConfiguration();
std::unique_ptr<Ui::ConfigureCpu> ui;
};

113
src/yuzu/configuration/configure_cpu.ui Normal file
View file

@ -0,0 +1,113 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>ConfigureCpu</class>
<widget class="QWidget" name="ConfigureCpu">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>400</width>
<height>321</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<layout class="QVBoxLayout">
<item>
<layout class="QVBoxLayout">
<item>
<widget class="QGroupBox">
<property name="title">
<string>Safe CPU Optimizations</string>
</property>
<layout class="QVBoxLayout">
<item>
<widget class="QLabel">
<property name="wordWrap">
<bool>1</bool>
</property>
<property name="text">
<string>Keep these enabled. For debugging only.</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_page_tables">
<property name="text">
<string>Enable inline page tables</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_block_linking">
<property name="text">
<string>Enable block linking</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_return_stack_buffer">
<property name="text">
<string>Enable return stack buffer</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_fast_dispatcher">
<property name="text">
<string>Enable fast dispatcher</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_context_elimination">
<property name="text">
<string>Enable context elimination</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_const_prop">
<property name="text">
<string>Enable constant propagation</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_misc_ir">
<property name="text">
<string>Enable miscellaneous optimizations</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_reduce_misalign_checks">
<property name="text">
<string>Enable misalignment check reduction</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
</layout>
</item>
<item>
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>40</height>
</size>
</property>
</spacer>
</item>
</layout>
</widget>
<resources/>
<connections/>
</ui>

2
src/yuzu/configuration/configure_debug.cpp
View file

@ -36,7 +36,6 @@ void ConfigureDebug::SetConfiguration() {
ui->homebrew_args_edit->setText(QString::fromStdString(Settings::values.program_args));
ui->reporting_services->setChecked(Settings::values.reporting_services);
ui->quest_flag->setChecked(Settings::values.quest_flag);
ui->disable_cpu_opt->setChecked(Settings::values.disable_cpu_opt);
ui->enable_graphics_debugging->setEnabled(!Core::System::GetInstance().IsPoweredOn());
ui->enable_graphics_debugging->setChecked(Settings::values.renderer_debug);
ui->disable_macro_jit->setEnabled(!Core::System::GetInstance().IsPoweredOn());
@ -51,7 +50,6 @@ void ConfigureDebug::ApplyConfiguration() {
Settings::values.program_args = ui->homebrew_args_edit->text().toStdString();
Settings::values.reporting_services = ui->reporting_services->isChecked();
Settings::values.quest_flag = ui->quest_flag->isChecked();
Settings::values.disable_cpu_opt = ui->disable_cpu_opt->isChecked();
Settings::values.renderer_debug = ui->enable_graphics_debugging->isChecked();
Settings::values.disable_macro_jit = ui->disable_macro_jit->isChecked();
Debugger::ToggleConsole();

7
src/yuzu/configuration/configure_debug.ui
View file

@ -228,13 +228,6 @@
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="disable_cpu_opt">
<property name="text">
<string>Disable CPU JIT optimizations</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>

5
src/yuzu/configuration/configure_dialog.cpp
View file

@ -42,6 +42,7 @@ void ConfigureDialog::ApplyConfiguration() {
ui->filesystemTab->applyConfiguration();
ui->inputTab->ApplyConfiguration();
ui->hotkeysTab->ApplyConfiguration(registry);
ui->cpuTab->ApplyConfiguration();
ui->graphicsTab->ApplyConfiguration();
ui->graphicsAdvancedTab->ApplyConfiguration();
ui->audioTab->ApplyConfiguration();
@ -76,9 +77,10 @@ void ConfigureDialog::RetranslateUI() {
Q_DECLARE_METATYPE(QList<QWidget*>);
void ConfigureDialog::PopulateSelectionList() {
const std::array<std::pair<QString, QList<QWidget*>>, 5> items{
const std::array<std::pair<QString, QList<QWidget*>>, 6> items{
{{tr("General"), {ui->generalTab, ui->webTab, ui->debugTab, ui->uiTab}},
{tr("System"), {ui->systemTab, ui->profileManagerTab, ui->serviceTab, ui->filesystemTab}},
{tr("CPU"), {ui->cpuTab}},
{tr("Graphics"), {ui->graphicsTab, ui->graphicsAdvancedTab}},
{tr("Audio"), {ui->audioTab}},
{tr("Controls"), {ui->inputTab, ui->hotkeysTab}}},
@ -107,6 +109,7 @@ void ConfigureDialog::UpdateVisibleTabs() {
{ui->profileManagerTab, tr("Profiles")},
{ui->inputTab, tr("Input")},
{ui->hotkeysTab, tr("Hotkeys")},
{ui->cpuTab, tr("CPU")},
{ui->graphicsTab, tr("Graphics")},
{ui->graphicsAdvancedTab, tr("Advanced")},
{ui->audioTab, tr("Audio")},

2
src/yuzu_cmd/config.cpp
View file

@ -437,8 +437,6 @@ void Config::ReadValues() {
Settings::values.reporting_services =
sdl2_config->GetBoolean("Debugging", "reporting_services", false);
Settings::values.quest_flag = sdl2_config->GetBoolean("Debugging", "quest_flag", false);
Settings::values.disable_cpu_opt =
sdl2_config->GetBoolean("Debugging", "disable_cpu_opt", false);
Settings::values.disable_macro_jit =
sdl2_config->GetBoolean("Debugging", "disable_macro_jit", false);

36
src/yuzu_cmd/default_ini.h
View file

@ -97,6 +97,39 @@ udp_pad_index=
# 0 (default): Disabled, 1: Enabled
use_multi_core=
[Cpu]
# Enable inline page tables optimization (faster guest memory access)
# 0: Disabled, 1 (default): Enabled
cpuopt_page_tables =
# Enable block linking CPU optimization (reduce block dispatcher use during predictable jumps)
# 0: Disabled, 1 (default): Enabled
cpuopt_block_linking =
# Enable return stack buffer CPU optimization (reduce block dispatcher use during predictable returns)
# 0: Disabled, 1 (default): Enabled
cpuopt_return_stack_buffer =
# Enable fast dispatcher CPU optimization (use a two-tiered dispatcher architecture)
# 0: Disabled, 1 (default): Enabled
cpuopt_fast_dispatcher =
# Enable context elimination CPU Optimization (reduce host memory use for guest context)
# 0: Disabled, 1 (default): Enabled
cpuopt_context_elimination =
# Enable constant propagation CPU optimization (basic IR optimization)
# 0: Disabled, 1 (default): Enabled
cpuopt_const_prop =
# Enable miscellaneous CPU optimizations (basic IR optimization)
# 0: Disabled, 1 (default): Enabled
cpuopt_misc_ir =
# Enable reduction of memory misalignment checks (reduce memory fallbacks for misaligned access)
# 0: Disabled, 1 (default): Enabled
cpuopt_reduce_misalign_checks =
[Renderer]
# Which backend API to use.
# 0 (default): OpenGL, 1: Vulkan
@ -283,9 +316,6 @@ dump_nso=false
# Determines whether or not yuzu will report to the game that the emulated console is in Kiosk Mode
# false: Retail/Normal Mode (default), true: Kiosk Mode
quest_flag =
# Determines whether or not JIT CPU optimizations are enabled
# false: Optimizations Enabled, true: Optimizations Disabled
disable_cpu_opt =
# Enables/Disables the macro JIT compiler
disable_macro_jit=false

33
src/yuzu_tester/default_ini.h
View file

@ -12,6 +12,39 @@ const char* sdl2_config_file = R"(
# 0 (default): Disabled, 1: Enabled
use_multi_core=
[Cpu]
# Enable inline page tables optimization (faster guest memory access)
# 0: Disabled, 1 (default): Enabled
cpuopt_page_tables =
# Enable block linking CPU optimization (reduce block dispatcher use during predictable jumps)
# 0: Disabled, 1 (default): Enabled
cpuopt_block_linking =
# Enable return stack buffer CPU optimization (reduce block dispatcher use during predictable returns)
# 0: Disabled, 1 (default): Enabled
cpuopt_return_stack_buffer =
# Enable fast dispatcher CPU optimization (use a two-tiered dispatcher architecture)
# 0: Disabled, 1 (default): Enabled
cpuopt_fast_dispatcher =
# Enable context elimination CPU Optimization (reduce host memory use for guest context)
# 0: Disabled, 1 (default): Enabled
cpuopt_context_elimination =
# Enable constant propagation CPU optimization (basic IR optimization)
# 0: Disabled, 1 (default): Enabled
cpuopt_const_prop =
# Enable miscellaneous CPU optimizations (basic IR optimization)
# 0: Disabled, 1 (default): Enabled
cpuopt_misc_ir =
# Enable reduction of memory misalignment checks (reduce memory fallbacks for misaligned access)
# 0: Disabled, 1 (default): Enabled
cpuopt_reduce_misalign_checks =
[Renderer]
# Whether to use software or hardware rendering.
# 0: Software, 1 (default): Hardware