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This commit is contained in:
Evghenii
2013-12-13 11:56:43 +01:00
parent e192e8ea9e 7bc1a41814
commit ddfe782151
34 changed files with 1015 additions and 2125 deletions
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31
examples/stencil/stencil.cpp
View File

@@ -40,6 +40,7 @@
#include <stdio.h>
#include <algorithm>
#include <string.h>
#include <math.h>
#include "../timing.h"
#include "stencil_ispc.h"
@@ -66,9 +67,25 @@ void InitData(int Nx, int Ny, int Nz, float *A[2], float *vsq) {
}
int main() {
int main(int argc, char *argv[]) {
static unsigned int test_iterations[] = {3, 3, 3};//the last two numbers must be equal here
int Nx = 256, Ny = 256, Nz = 256;
int width = 4;
if (argc > 1) {
if (strncmp(argv[1], "--scale=", 8) == 0) {
float scale = atof(argv[1] + 8);
Nx *= scale;
Ny *= scale;
Nz *= scale;
}
}
if ((argc == 4) || (argc == 5)) {
for (int i = 0; i < 3; i++) {
test_iterations[i] = atoi(argv[argc - 3 + i]);
}
}
float *Aserial[2], *Aispc[2];
Aserial[0] = new float [Nx * Ny * Nz];
Aserial[1] = new float [Nx * Ny * Nz];
@@ -79,24 +96,22 @@ int main() {
float coeff[4] = { 0.5, -.25, .125, -.0625 };
InitData(Nx, Ny, Nz, Aispc, vsq);
//
// Compute the image using the ispc implementation on one core; report
// the minimum time of three runs.
//
double minTimeISPC = 1e30;
#if 0
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[0]; ++i) {
reset_and_start_timer();
loop_stencil_ispc(0, 6, width, Nx - width, width, Ny - width,
width, Nz - width, Nx, Ny, Nz, coeff, vsq,
Aispc[0], Aispc[1]);
double dt = get_elapsed_mcycles();
printf("@time of ISPC run:\t\t\t[%.3f] million cycles\n", dt);
minTimeISPC = std::min(minTimeISPC, dt);
}
printf("[stencil ispc 1 core]:\t\t[%.3f] million cycles\n", minTimeISPC);
#endif
InitData(Nx, Ny, Nz, Aispc, vsq);
@@ -105,12 +120,13 @@ int main() {
// the minimum time of three runs.
//
double minTimeISPCTasks = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[1]; ++i) {
reset_and_start_timer();
loop_stencil_ispc_tasks(0, 6, width, Nx - width, width, Ny - width,
width, Nz - width, Nx, Ny, Nz, coeff, vsq,
Aispc[0], Aispc[1]);
double dt = get_elapsed_mcycles();
printf("@time of ISPC + TASKS run:\t\t\t[%.3f] million cycles\n", dt);
minTimeISPCTasks = std::min(minTimeISPCTasks, dt);
}
@@ -123,12 +139,13 @@ int main() {
// minimum time.
//
double minTimeSerial = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[2]; ++i) {
reset_and_start_timer();
loop_stencil_serial(0, 6, width, Nx-width, width, Ny - width,
width, Nz - width, Nx, Ny, Nz, coeff, vsq,
Aserial[0], Aserial[1]);
double dt = get_elapsed_mcycles();
printf("@time of serial run:\t\t\t[%.3f] million cycles\n", dt);
minTimeSerial = std::min(minTimeSerial, dt);
}

171
examples/stencil/stencil.vcxproj
View File

@@ -1,181 +1,16 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{2ef070a1-f62f-4e6a-944b-88d140945c3c}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>rt</RootNamespace>
<ISPC_compiler Condition=" '$(ISPC_compiler)' == '' ">ispc</ISPC_compiler>
<ISPC_file>stencil</ISPC_file>
<default_targets>sse2,sse4-x2,avx1-i32x8</default_targets>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<CharacterSet>Unicode</CharacterSet>
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<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<ExecutablePath>$(ProjectDir)..\..;$(ExecutablePath)</ExecutablePath>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<WarningLevel>Level3</WarningLevel>
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<AdditionalIncludeDirectories>$(TargetDir)</AdditionalIncludeDirectories>
<IntrinsicFunctions>true</IntrinsicFunctions>
<FloatingPointModel>Fast</FloatingPointModel>
</ClCompile>
<Link>
<SubSystem>Console</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile>
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</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
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<ItemGroup>
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<FileType>Document</FileType>
<Command Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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</Command>
<Command Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
$(ISPC_compiler) -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --target=sse2,sse4-x2,avx
</Command>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
<Command Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
$(ISPC_compiler) -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --arch=x86 --target=sse2,sse4-x2,avx
</Command>
<Command Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
$(ISPC_compiler) -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --target=sse2,sse4-x2,avx
</Command>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
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</CustomBuild>
</ItemGroup>
<Import Project="..\common.props" />
<ItemGroup>
<ClCompile Include="stencil.cpp" />
<ClCompile Include="stencil_serial.cpp" />
<ClCompile Include="../tasksys.cpp" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>