diff --git a/src/emucore/Thumbulator.hxx b/src/emucore/Thumbulator.hxx
index a37849ba3..dc9952098 100644
--- a/src/emucore/Thumbulator.hxx
+++ b/src/emucore/Thumbulator.hxx
@@ -36,7 +36,7 @@ class Cartridge;
 
 #ifdef DEBUGGER_SUPPORT
   #define THUMB_CYCLE_COUNT
-  #define COUNT_OPS
+  //#define COUNT_OPS
   //#define THUMB_STATS
 #endif
 
diff --git a/src/os/windows/Stella.sln b/src/os/windows/Stella.sln
index 0bcd5ccc1..816d49e37 100755
--- a/src/os/windows/Stella.sln
+++ b/src/os/windows/Stella.sln
@@ -1,6 +1,6 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.29613.14
+# Visual Studio Version 17
+VisualStudioVersion = 17.4.33110.190
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Stella", "Stella.vcxproj", "{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}"
 EndProject
@@ -12,6 +12,8 @@ Global
 		Debug-NoDebugger|x64 = Debug-NoDebugger|x64
 		Profile|Win32 = Profile|Win32
 		Profile|x64 = Profile|x64
+		Release PGO|Win32 = Release PGO|Win32
+		Release PGO|x64 = Release PGO|x64
 		Release|Win32 = Release|Win32
 		Release|x64 = Release|x64
 		Release-Sanitize|Win32 = Release-Sanitize|Win32
@@ -30,6 +32,10 @@ Global
 		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Profile|Win32.Build.0 = Profile|Win32
 		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Profile|x64.ActiveCfg = Profile|x64
 		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Profile|x64.Build.0 = Profile|x64
+		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Release PGO|Win32.ActiveCfg = Release PGO|Win32
+		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Release PGO|Win32.Build.0 = Release PGO|Win32
+		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Release PGO|x64.ActiveCfg = Release PGO|x64
+		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Release PGO|x64.Build.0 = Release PGO|x64
 		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Release|Win32.ActiveCfg = Release|Win32
 		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Release|Win32.Build.0 = Release|Win32
 		{D7FCEC7F-33E1-49DD-A4B0-D5FC222250AD}.Release|x64.ActiveCfg = Release|x64
diff --git a/src/os/windows/Stella.vcxproj b/src/os/windows/Stella.vcxproj
index b5492efa3..1b88ac41f 100755
--- a/src/os/windows/Stella.vcxproj
+++ b/src/os/windows/Stella.vcxproj
@@ -25,6 +25,14 @@
       <Configuration>Profile</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release PGO|Win32">
+      <Configuration>Release PGO</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release PGO|x64">
+      <Configuration>Release PGO</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release-Sanitize|Win32">
       <Configuration>Release-Sanitize</Configuration>
       <Platform>Win32</Platform>
@@ -54,6 +62,11 @@
     <CharacterSet>MultiByte</CharacterSet>
     <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v143</PlatformToolset>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
@@ -80,6 +93,12 @@
     <PlatformToolset>v143</PlatformToolset>
     <EnableASAN>false</EnableASAN>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v143</PlatformToolset>
+    <EnableASAN>false</EnableASAN>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
@@ -111,6 +130,10 @@
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC71.props" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC71.props" />
+  </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC71.props" />
@@ -131,6 +154,10 @@
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC71.props" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC71.props" />
+  </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC71.props" />
@@ -163,15 +190,19 @@
     <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</LinkIncremental>
     <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</LinkIncremental>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Platform)\$(Configuration)\</OutDir>
+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">$(Platform)\$(Configuration)\</OutDir>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">$(Platform)\$(Configuration)\</OutDir>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">Release\</OutDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Platform)\$(Configuration)\</IntDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">$(Platform)\$(Configuration)\</IntDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">$(Platform)\$(Configuration)\</IntDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">Release\</IntDir>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(Platform)\$(Configuration)\</OutDir>
+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">$(Platform)\$(Configuration)\</OutDir>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">$(Platform)\$(Configuration)\</OutDir>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">$(Platform)\$(Configuration)\</OutDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(Platform)\$(Configuration)\</IntDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">$(Platform)\$(Configuration)\</IntDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">$(Platform)\$(Configuration)\</IntDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">$(Platform)\$(Configuration)\</IntDir>
     <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
@@ -187,21 +218,27 @@
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" />
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'" />
     <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
     <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
     <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
     <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" />
+    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'" />
     <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'" />
     <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'" />
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" />
+    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'" />
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'" />
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'" />
     <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
     <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
     <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
     <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
+    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'" />
     <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'" />
     <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Profile|x64'" />
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
+    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'" />
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'" />
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Profile|x64'" />
   </PropertyGroup>
@@ -217,6 +254,10 @@
     <LibraryPath>$(ProjectDir)\SDL\lib\x86;$(LibraryPath)</LibraryPath>
     <IncludePath>$(ProjectDir)\SDL\include;$(IncludePath)</IncludePath>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">
+    <LibraryPath>$(ProjectDir)\SDL\lib\x86;$(LibraryPath)</LibraryPath>
+    <IncludePath>$(ProjectDir)\SDL\include;$(IncludePath)</IncludePath>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">
     <LibraryPath>$(ProjectDir)\SDL\lib\x86;$(LibraryPath)</LibraryPath>
     <IncludePath>$(ProjectDir)\SDL\include;$(IncludePath)</IncludePath>
@@ -238,6 +279,10 @@
     <LibraryPath>$(ProjectDir)\SDL\lib\x64;$(LibraryPath)</LibraryPath>
     <IncludePath>$(ProjectDir)\SDL\include;$(IncludePath)</IncludePath>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">
+    <LibraryPath>$(ProjectDir)\SDL\lib\x64;$(LibraryPath)</LibraryPath>
+    <IncludePath>$(ProjectDir)\SDL\include;$(IncludePath)</IncludePath>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">
     <LibraryPath>$(ProjectDir)\SDL\lib\x64;$(LibraryPath)</LibraryPath>
     <IncludePath>$(ProjectDir)\SDL\include;$(IncludePath)</IncludePath>
@@ -421,6 +466,41 @@
       <LinkTimeCodeGeneration>UseFastLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">
+    <ClCompile>
+      <OmitFramePointers>true</OmitFramePointers>
+      <WholeProgramOptimization>true</WholeProgramOptimization>
+      <AdditionalIncludeDirectories>..\..\debugger\yacc;..\..\emucore;..\..\emucore\tia;..\..\emucore\tia\frame-manager;..\..\common;..\..\common\tv_filters;..\..\gui;..\..\debugger\gui;..\..\debugger;..\..\os\windows;..\..\cheat;..\..\lib\zlib;..\..\lib\libpng;..\..\lib\json;..\..\common\repository\sqlite;..\..\lib\sqlite;..\..\lib\nanojpeg;..\..\lib\tinyexif;..\..\lib\httplib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>BSPF_WINDOWS;WIN32;NOMINMAX;NDEBUG;SDL_SUPPORT;GUI_SUPPORT;IMAGE_SUPPORT;ZIP_SUPPORT;JOYSTICK_SUPPORT;DEBUGGER_SUPPORT;WINDOWED_SUPPORT;SOUND_SUPPORT;CHEATCODE_SUPPORT;HTTP_LIB_SUPPORT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <RuntimeTypeInfo>false</RuntimeTypeInfo>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level4</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ObjectFileName>$(IntDir)obj\\windows\%(RelativeDir)</ObjectFileName>
+      <EnableEnhancedInstructionSet>StreamingSIMDExtensions</EnableEnhancedInstructionSet>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <DisableSpecificWarnings>4100;4127;4146;4244;26400;26409;26410;26415;26429;26438;26440;26446;26451;26455;26459;26467;26472;26481;26482;26485;26492;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <CompileAs>CompileAsCpp</CompileAs>
+      <AssemblerOutput>NoListing</AssemblerOutput>
+      <AssemblerListingLocation>$(IntDir)asm\windows\%(RelativeDir)</AssemblerListingLocation>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>SDL2.lib;SDL2main.lib;SDL2main.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <OutputFile>$(OutDir)Stella.exe</OutputFile>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <RandomizedBaseAddress>false</RandomizedBaseAddress>
+      <DataExecutionPrevention>
+      </DataExecutionPrevention>
+      <TargetMachine>MachineX86</TargetMachine>
+      <LinkTimeCodeGeneration>UseFastLinkTimeCodeGeneration</LinkTimeCodeGeneration>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">
     <ClCompile>
       <OmitFramePointers>true</OmitFramePointers>
@@ -530,6 +610,45 @@
       <LinkTimeCodeGeneration>UseFastLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">
+    <Midl>
+      <TargetEnvironment>X64</TargetEnvironment>
+    </Midl>
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
+      <OmitFramePointers>true</OmitFramePointers>
+      <AdditionalIncludeDirectories>..\..\debugger\yacc;..\..\emucore;..\..\emucore\tia;..\..\emucore\tia\frame-manager;..\..\common;..\..\common\tv_filters;..\..\gui;..\..\debugger\gui;..\..\debugger;..\..\os\windows;..\..\cheat;..\..\lib\zlib;..\..\lib\libpng;..\..\lib\json;..\..\common\repository\sqlite;..\..\lib\sqlite;..\..\lib\nanojpeg;..\..\lib\tinyexif;..\..\lib\httplib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>BSPF_WINDOWS;WIN32;NOMINMAX;NDEBUG;SDL_SUPPORT;GUI_SUPPORT;IMAGE_SUPPORT;ZIP_SUPPORT;JOYSTICK_SUPPORT;DEBUGGER_SUPPORT;WINDOWED_SUPPORT;SOUND_SUPPORT;CHEATCODE_SUPPORT;HTTP_LIB_SUPPORT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <RuntimeTypeInfo>false</RuntimeTypeInfo>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level4</WarningLevel>
+      <DebugInformationFormat>None</DebugInformationFormat>
+      <ObjectFileName>$(IntDir)obj\\windows\%(RelativeDir)</ObjectFileName>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <DisableSpecificWarnings>4100;4127;4146;4244;26400;26409;26410;26415;26429;26438;26440;26446;26451;26455;26459;26467;26472;26481;26482;26485;26492;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <CompileAs>CompileAsCpp</CompileAs>
+      <AssemblerOutput>NoListing</AssemblerOutput>
+      <AssemblerListingLocation>$(IntDir)asm\windows\%(RelativeDir)</AssemblerListingLocation>
+      <WholeProgramOptimization>true</WholeProgramOptimization>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>SDL2.lib;SDL2main.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <OutputFile>$(OutDir)Stella.exe</OutputFile>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <RandomizedBaseAddress>false</RandomizedBaseAddress>
+      <DataExecutionPrevention>
+      </DataExecutionPrevention>
+      <TargetMachine>MachineX64</TargetMachine>
+      <LinkTimeCodeGeneration>PGUpdate</LinkTimeCodeGeneration>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">
     <Midl>
       <TargetEnvironment>X64</TargetEnvironment>
@@ -944,11 +1063,13 @@
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">CompileAsC</CompileAs>
+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">CompileAsC</CompileAs>
+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">CompileAsC</CompileAs>
     </ClCompile>
@@ -1125,21 +1246,25 @@
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">CompileAsC</CompileAs>
+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">CompileAsC</CompileAs>
+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">CompileAsC</CompileAs>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Level2</WarningLevel>
+      <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Level2</WarningLevel>
+      <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">Level2</WarningLevel>
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@@ -1147,21 +1272,25 @@
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       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">CompileAsC</CompileAs>
+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">CompileAsC</CompileAs>
+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">CompileAsC</CompileAs>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Level2</WarningLevel>
+      <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Level2</WarningLevel>
+      <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">Level2</WarningLevel>
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@@ -1169,21 +1298,25 @@
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       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">CompileAsC</CompileAs>
+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">CompileAsC</CompileAs>
+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">CompileAsC</CompileAs>
       <CompileAs Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">CompileAsC</CompileAs>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Level2</WarningLevel>
+      <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Level2</WarningLevel>
+      <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Release-Sanitize|x64'">Level2</WarningLevel>
       <WarningLevel Condition="'$(Configuration)|$(Platform)'=='Profile|x64'">Level2</WarningLevel>
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@@ -1191,21 +1324,25 @@
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+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|Win32'">CompileAsC</CompileAs>
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+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release PGO|x64'">CompileAsC</CompileAs>
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@@ -1763,21 +2000,25 @@
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