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‎CUDATest.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.9.34728.123
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CUDATest", "CUDATest\CUDATest.vcxproj", "{462936D3-6C27-477D-82A0-56B3D2528822}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Win32 = Debug|Win32
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|Win32 = Release|Win32
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{462936D3-6C27-477D-82A0-56B3D2528822}.Debug|Win32.ActiveCfg = Debug|Win32
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{462936D3-6C27-477D-82A0-56B3D2528822}.Debug|Win32.Build.0 = Debug|Win32
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{462936D3-6C27-477D-82A0-56B3D2528822}.Debug|x64.ActiveCfg = Debug|x64
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{462936D3-6C27-477D-82A0-56B3D2528822}.Debug|x64.Build.0 = Debug|x64
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{462936D3-6C27-477D-82A0-56B3D2528822}.Debug|x86.ActiveCfg = Debug|Win32
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{462936D3-6C27-477D-82A0-56B3D2528822}.Debug|x86.Build.0 = Debug|Win32
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{462936D3-6C27-477D-82A0-56B3D2528822}.Release|Win32.ActiveCfg = Release|Win32
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{462936D3-6C27-477D-82A0-56B3D2528822}.Release|Win32.Build.0 = Release|Win32
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{462936D3-6C27-477D-82A0-56B3D2528822}.Release|x64.ActiveCfg = Release|x64
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{462936D3-6C27-477D-82A0-56B3D2528822}.Release|x64.Build.0 = Release|x64
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{462936D3-6C27-477D-82A0-56B3D2528822}.Release|x86.ActiveCfg = Release|Win32
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{462936D3-6C27-477D-82A0-56B3D2528822}.Release|x86.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {DB3E5BC2-D3E0-45F0-A64A-C82D78A014E9}
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EndGlobalSection
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EndGlobal

‎CUDATest/CUDATest.vcxproj‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<ProjectGuid>{462936D3-6C27-477D-82A0-56B3D2528822}</ProjectGuid>
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<RootNamespace>CUDATest</RootNamespace>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<CharacterSet>MultiByte</CharacterSet>
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<PlatformToolset>v143</PlatformToolset>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<CharacterSet>MultiByte</CharacterSet>
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<PlatformToolset>v143</PlatformToolset>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>MultiByte</CharacterSet>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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<Import Project="$(VCTargetsPath)\BuildCustomizations\CUDA 12.4.props" />
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<LinkIncremental>true</LinkIncremental>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<LinkIncremental>true</LinkIncremental>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<Optimization>Disabled</Optimization>
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<PreprocessorDefinitions>WIN32;WIN64;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<SubSystem>Console</SubSystem>
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<AdditionalDependencies>cudart_static.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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</Link>
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<CudaCompile>
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<TargetMachinePlatform>64</TargetMachinePlatform>
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</CudaCompile>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<Optimization>Disabled</Optimization>
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<PreprocessorDefinitions>WIN32;WIN64;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<SubSystem>Console</SubSystem>
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<AdditionalDependencies>cudart_static.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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</Link>
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<CudaCompile>
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<TargetMachinePlatform>64</TargetMachinePlatform>
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</CudaCompile>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<PreprocessorDefinitions>WIN32;WIN64;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<SubSystem>Console</SubSystem>
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<AdditionalDependencies>cudart_static.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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<CudaCompile>
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<TargetMachinePlatform>64</TargetMachinePlatform>
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</CudaCompile>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<PreprocessorDefinitions>WIN32;WIN64;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<SubSystem>Console</SubSystem>
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<AdditionalDependencies>cudart_static.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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</Link>
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<CudaCompile>
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<TargetMachinePlatform>64</TargetMachinePlatform>
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</CudaCompile>
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<ItemGroup>
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<CudaCompile Include="kernel.cu" />
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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<Import Project="$(VCTargetsPath)\BuildCustomizations\CUDA 12.4.targets" />
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</ImportGroup>
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</Project>

‎CUDATest/kernel.cu‎

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#include <cuda_runtime.h>
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#include <device_launch_parameters.h>
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#include <stdio.h>
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#include <iostream>
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#include <cstdlib>
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#include <ctime>
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#include <chrono>
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using namespace std;
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// GPU kernel for matrix multiplication
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__global__ void matrixMultiplicationGPU(int* a, int* b, int* c, int N) {
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int row = blockIdx.y * blockDim.y + threadIdx.y;
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int col = blockIdx.x * blockDim.x + threadIdx.x;
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int sum = 0;
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if (row < N && col < N) {
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for (int i = 0; i < N; i++) {
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sum += a[row * N + i] * b[i * N + col];
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}
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c[row * N + col] = sum;
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}
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}
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// CPU function for matrix multiplication
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void matrixMultiplicationCPU(int* a, int* b, int* c, int N) {
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for (int i = 0; i < N; i++) {
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for (int j = 0; j < N; j++) {
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int sum = 0;
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for (int k = 0; k < N; k++) {
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sum += a[i * N + k] * b[k * N + j];
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}
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c[i * N + j] = sum;
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}
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}
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}
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int main() {
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srand(time(nullptr));
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const int N = 1000; // Matrix size
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const int numInstances = 10; // Number of instances to run
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float averageCPUTime = 0.00;
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float averageGPUTime = 0.00;
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for (int instance = 0; instance < numInstances; instance++) {
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int *a, *b, *cGPU, *cCPU; // Host Matrices (CPU)
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int *da, *db, *dc; // Device Matrices (GPU)
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// Memory Allocation for Host Devices
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a = new int[N * N];
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b = new int[N * N];
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cGPU = new int[N * N];
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cCPU = new int[N * N];
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// Load Host Matrices with Random Values between 0-100
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for (int i = 0; i < N * N; i++) {
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a[i] = rand() % 101;
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b[i] = rand() % 101;
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}
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// Allocate Memory for Device Matrices
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cudaMalloc((void**)&da, N * N * sizeof(int));
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cudaMalloc((void**)&db, N * N * sizeof(int));
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cudaMalloc((void**)&dc, N * N * sizeof(int));
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// Copy Host Matrices to Device Matrices
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cudaMemcpy(da, a, N * N * sizeof(int), cudaMemcpyHostToDevice);
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cudaMemcpy(db, b, N * N * sizeof(int), cudaMemcpyHostToDevice);
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// Define Grid/Block Dimensions for Threads
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dim3 threadsPerBlock(16, 16);
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dim3 numBlocks((N + threadsPerBlock.x - 1) / threadsPerBlock.x, (N + threadsPerBlock.y - 1) / threadsPerBlock.y);
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// Record start time for GPU
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clock_t startGPU = clock();
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// Launch GPU Kernel
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matrixMultiplicationGPU <<<numBlocks, threadsPerBlock>>> (da, db, dc, N);
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// Synchronize GPU
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cudaDeviceSynchronize();
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// Record end time for GPU
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clock_t endGPU = clock();
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float millisecondsGPU = 1000.0 * (endGPU - startGPU) / CLOCKS_PER_SEC;
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averageGPUTime += millisecondsGPU;
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// Copy GPU Results back to CPU
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cudaMemcpy(cGPU, dc, N * N * sizeof(int), cudaMemcpyDeviceToHost);
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// Record start time for CPU
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clock_t startCPU = clock();
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// Run CPU matrix multiplication
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matrixMultiplicationCPU(a, b, cCPU, N);
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// Record end time for CPU
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clock_t endCPU = clock();
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float millisecondsCPU = 1000.0 * (endCPU - startCPU) / CLOCKS_PER_SEC;
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averageCPUTime += millisecondsCPU;
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// Print elapsed time for GPU and CPU
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cout << "Instance " << instance + 1 << " - GPU Time: " << millisecondsGPU << " milliseconds" << endl;
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cout << "Instance " << instance + 1 << " - CPU Time: " << millisecondsCPU << " milliseconds" << endl;
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// Free Memory for this instance
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cudaFree(da);
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cudaFree(db);
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cudaFree(dc);
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delete[] a;
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delete[] b;
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delete[] cGPU;
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delete[] cCPU;
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}
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cout << "Average CPU Runtime: " << averageCPUTime / numInstances << " milliseconds" << endl;
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cout << "Average GPU Runtime: " << averageGPUTime / numInstances << " milliseconds" << endl;
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cout << "Speedup Percentage: " << (averageCPUTime) / (averageGPUTime) << " times faster than CPU" << endl;
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return 0;
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}

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