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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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25
examples/aobench/ao.cpp
View File

@@ -60,7 +60,7 @@ using namespace ispc;
extern void ao_serial(int w, int h, int nsubsamples, float image[]);
static unsigned int test_iterations;
static unsigned int test_iterations[] = {3, 7, 1};
static unsigned int width, height;
static unsigned char *img;
static float *fimg;
@@ -106,16 +106,20 @@ savePPM(const char *fname, int w, int h)
int main(int argc, char **argv)
{
if (argc != 4) {
if (argc < 3) {
printf ("%s\n", argv[0]);
printf ("Usage: ao [num test iterations] [width] [height]\n");
printf ("Usage: ao [width] [height] [ispc iterations] [tasks iterations] [serial iterations]\n");
getchar();
exit(-1);
}
else {
test_iterations = atoi(argv[1]);
width = atoi (argv[2]);
height = atoi (argv[3]);
if (argc == 6) {
for (int i = 0; i < 3; i++) {
test_iterations[i] = atoi(argv[3 + i]);
}
}
width = atoi (argv[1]);
height = atoi (argv[2]);
}
// Allocate space for output images
@@ -127,13 +131,14 @@ int main(int argc, char **argv)
// time for any of them.
//
double minTimeISPC = 1e30;
for (unsigned int i = 0; i < test_iterations; i++) {
for (unsigned int i = 0; i < test_iterations[0]; i++) {
memset((void *)fimg, 0, sizeof(float) * width * height * 3);
assert(NSUBSAMPLES == 2);
reset_and_start_timer();
ao_ispc(width, height, NSUBSAMPLES, fimg);
double t = get_elapsed_mcycles();
printf("@time of ISPC run:\t\t\t[%.3f] million cycles\n", t);
minTimeISPC = std::min(minTimeISPC, t);
}
@@ -147,13 +152,14 @@ int main(int argc, char **argv)
// minimum time for any of them.
//
double minTimeISPCTasks = 1e30;
for (unsigned int i = 0; i < test_iterations; i++) {
for (unsigned int i = 0; i < test_iterations[1]; i++) {
memset((void *)fimg, 0, sizeof(float) * width * height * 3);
assert(NSUBSAMPLES == 2);
reset_and_start_timer();
ao_ispc_tasks(width, height, NSUBSAMPLES, fimg);
double t = get_elapsed_mcycles();
printf("@time of ISPC + TASKS run:\t\t\t[%.3f] million cycles\n", t);
minTimeISPCTasks = std::min(minTimeISPCTasks, t);
}
@@ -167,11 +173,12 @@ int main(int argc, char **argv)
// minimum time.
//
double minTimeSerial = 1e30;
for (unsigned int i = 0; i < test_iterations; i++) {
for (unsigned int i = 0; i < test_iterations[2]; i++) {
memset((void *)fimg, 0, sizeof(float) * width * height * 3);
reset_and_start_timer();
ao_serial(width, height, NSUBSAMPLES, fimg);
double t = get_elapsed_mcycles();
printf("@time of serial run:\t\t\t\t[%.3f] million cycles\n", t);
minTimeSerial = std::min(minTimeSerial, t);
}

181
examples/aobench/aobench.vcxproj
View File

@@ -1,181 +1,16 @@
<?xml version="1.0" encoding="utf-8"?>
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<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
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<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
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<Platform>Win32</Platform>
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<ProjectGuid>{F29204CA-19DF-4F3C-87D5-03F4EEDAAFEB}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>aobench</RootNamespace>
<ISPC_file>ao</ISPC_file>
<default_targets>sse2,sse4,avx1-i32x8</default_targets>
</PropertyGroup>
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<ClCompile Include="../tasksys.cpp" />
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<Command Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(ISPC_compiler) -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --target=sse2,sse4,avx
</Command>
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<Outputs Condition="'$(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 $(TargetDir)%(Filename)_ispc.h --arch=x86 --target=sse2,sse4,avx
</Command>
<Command Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(ISPC_compiler) -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --target=sse2,sse4,avx
</Command>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
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172
examples/common.props Normal file
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<Target_out Condition="($(Target_str.Contains(',')) And $(Target_str.Contains('sse2')))">$(Target_out);$(TargetDir)$(ISPC_file)_sse2.obj</Target_out>
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169
examples/deferred/deferred_shading.vcxproj
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<Import Project="..\common.props" />
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<ClCompile Include="common.cpp" />
<ClCompile Include="dynamic_c.cpp" />
@@ -156,24 +15,4 @@
<ClCompile Include="main.cpp" />
<ClCompile Include="../tasksys.cpp" />
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<ItemGroup>
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<FileType>Document</FileType>
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</Command>
<Command Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(ISPC_compiler) -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --target=sse2,sse4-x2,avx-x2
</Command>
<Outputs Condition="'$(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-x2
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22
examples/deferred/main.cpp
View File

@@ -62,10 +62,16 @@
///////////////////////////////////////////////////////////////////////////
int main(int argc, char** argv) {
if (argc != 2) {
printf("usage: deferred_shading <input_file (e.g. data/pp1280x720.bin)>\n");
if (argc < 2) {
printf("usage: deferred_shading <input_file (e.g. data/pp1280x720.bin)> [tasks iterations] [serial iterations]\n");
return 1;
}
static unsigned int test_iterations[] = {5, 3, 500}; //last value is for nframes, it is scale.
if (argc == 5) {
for (int i = 0; i < 3; i++) {
test_iterations[i] = atoi(argv[2 + i]);
}
}
InputData *input = CreateInputDataFromFile(argv[1]);
if (!input) {
@@ -81,9 +87,9 @@ int main(int argc, char** argv) {
InitDynamicCilk(input);
#endif // __cilk
int nframes = 5;
int nframes = test_iterations[2];
double ispcCycles = 1e30;
for (int i = 0; i < 5; ++i) {
for (int i = 0; i < test_iterations[0]; ++i) {
framebuffer.clear();
reset_and_start_timer();
for (int j = 0; j < nframes; ++j)
@@ -91,6 +97,7 @@ int main(int argc, char** argv) {
VISUALIZE_LIGHT_COUNT,
framebuffer.r, framebuffer.g, framebuffer.b);
double mcycles = get_elapsed_mcycles() / nframes;
printf("@time of ISPC + TASKS run:\t\t\t[%.3f] million cycles\n", mcycles);
ispcCycles = std::min(ispcCycles, mcycles);
}
printf("[ispc static + tasks]:\t\t[%.3f] million cycles to render "
@@ -98,14 +105,16 @@ int main(int argc, char** argv) {
input->header.framebufferWidth, input->header.framebufferHeight);
WriteFrame("deferred-ispc-static.ppm", input, framebuffer);
nframes = 3;
#ifdef __cilk
double dynamicCilkCycles = 1e30;
for (int i = 0; i < 5; ++i) {
for (int i = 0; i < test_iterations[1]; ++i) {
framebuffer.clear();
reset_and_start_timer();
for (int j = 0; j < nframes; ++j)
DispatchDynamicCilk(input, &framebuffer);
double mcycles = get_elapsed_mcycles() / nframes;
printf("@time of serial run:\t\t\t[%.3f] million cycles\n", mcycles);
dynamicCilkCycles = std::min(dynamicCilkCycles, mcycles);
}
printf("[ispc + Cilk dynamic]:\t\t[%.3f] million cycles to render image\n",
@@ -114,12 +123,13 @@ int main(int argc, char** argv) {
#endif // __cilk
double serialCycles = 1e30;
for (int i = 0; i < 5; ++i) {
for (int i = 0; i < test_iterations[1]; ++i) {
framebuffer.clear();
reset_and_start_timer();
for (int j = 0; j < nframes; ++j)
DispatchDynamicC(input, &framebuffer);
double mcycles = get_elapsed_mcycles() / nframes;
printf("@time of serial run:\t\t\t[%.3f] million cycles\n", mcycles);
serialCycles = std::min(serialCycles, mcycles);
}
printf("[C++ serial dynamic, 1 core]:\t[%.3f] million cycles to render image\n",

23
examples/mandelbrot/mandelbrot.cpp
View File

@@ -42,6 +42,7 @@
#include <algorithm>
#include "../timing.h"
#include "mandelbrot_ispc.h"
#include <string.h>
using namespace ispc;
extern void mandelbrot_serial(float x0, float y0, float x1, float y1,
@@ -67,7 +68,8 @@ writePPM(int *buf, int width, int height, const char *fn) {
}
int main() {
int main(int argc, char *argv[]) {
static unsigned int test_iterations[] = {3, 3};
unsigned int width = 768;
unsigned int height = 512;
float x0 = -2;
@@ -75,6 +77,19 @@ int main() {
float y0 = -1;
float y1 = 1;
if (argc > 1) {
if (strncmp(argv[1], "--scale=", 8) == 0) {
float scale = atof(argv[1] + 8);
width *= scale;
height *= scale;
}
}
if ((argc == 3) || (argc == 4)) {
for (int i = 0; i < 2; i++) {
test_iterations[i] = atoi(argv[argc - 2 + i]);
}
}
int maxIterations = 256;
int *buf = new int[width*height];
@@ -83,10 +98,11 @@ int main() {
// time of three runs.
//
double minISPC = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[0]; ++i) {
reset_and_start_timer();
mandelbrot_ispc(x0, y0, x1, y1, width, height, maxIterations, buf);
double dt = get_elapsed_mcycles();
printf("@time of ISPC run:\t\t\t[%.3f] million cycles\n", dt);
minISPC = std::min(minISPC, dt);
}
@@ -102,10 +118,11 @@ int main() {
// minimum time.
//
double minSerial = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[1]; ++i) {
reset_and_start_timer();
mandelbrot_serial(x0, y0, x1, y1, width, height, maxIterations, buf);
double dt = get_elapsed_mcycles();
printf("@time of serial run:\t\t\t[%.3f] million cycles\n", dt);
minSerial = std::min(minSerial, dt);
}

167
examples/mandelbrot/mandelbrot.vcxproj
View File

@@ -1,176 +1,15 @@
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<Keyword>Win32Proj</Keyword>
<RootNamespace>mandelbrot</RootNamespace>
<ISPC_compiler Condition=" '$(ISPC_compiler)' == '' ">ispc</ISPC_compiler>
<ISPC_file>mandelbrot</ISPC_file>
<default_targets>sse2,sse4-x2,avx1-x2</default_targets>
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23
examples/mandelbrot_tasks/mandelbrot_tasks.cpp
View File

@@ -69,11 +69,12 @@ writePPM(int *buf, int width, int height, const char *fn) {
static void usage() {
fprintf(stderr, "usage: mandelbrot [--scale=<factor>]\n");
fprintf(stderr, "usage: mandelbrot [--scale=<factor>] [tasks iterations] [serial iterations]\n");
exit(1);
}
int main(int argc, char *argv[]) {
static unsigned int test_iterations[] = {7, 1};
unsigned int width = 1536;
unsigned int height = 1024;
float x0 = -2;
@@ -81,9 +82,7 @@ int main(int argc, char *argv[]) {
float y0 = -1;
float y1 = 1;
if (argc == 1)
;
else if (argc == 2) {
if (argc > 1) {
if (strncmp(argv[1], "--scale=", 8) == 0) {
float scale = atof(argv[1] + 8);
if (scale == 0.f)
@@ -94,11 +93,13 @@ int main(int argc, char *argv[]) {
width = (width + 0xf) & ~0xf;
height = (height + 0xf) & ~0xf;
}
else
usage();
}
else
usage();
if ((argc == 3) || (argc == 4)) {
for (int i = 0; i < 2; i++) {
test_iterations[i] = atoi(argv[argc - 2 + i]);
}
}
int maxIterations = 512;
int *buf = new int[width*height];
@@ -108,13 +109,14 @@ int main(int argc, char *argv[]) {
// time of three runs.
//
double minISPC = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[0]; ++i) {
// Clear out the buffer
for (unsigned int i = 0; i < width * height; ++i)
buf[i] = 0;
reset_and_start_timer();
mandelbrot_ispc(x0, y0, x1, y1, width, height, maxIterations, buf);
double dt = get_elapsed_mcycles();
printf("@time of ISPC + TASKS run:\t\t\t[%.3f] million cycles\n", dt);
minISPC = std::min(minISPC, dt);
}
@@ -127,13 +129,14 @@ int main(int argc, char *argv[]) {
// minimum time.
//
double minSerial = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[1]; ++i) {
// Clear out the buffer
for (unsigned int i = 0; i < width * height; ++i)
buf[i] = 0;
reset_and_start_timer();
mandelbrot_serial(x0, y0, x1, y1, width, height, maxIterations, buf);
double dt = get_elapsed_mcycles();
printf("@time of serial run:\t\t\t[%.3f] million cycles\n", dt);
minSerial = std::min(minSerial, dt);
}

171
examples/mandelbrot_tasks/mandelbrot_tasks.vcxproj
View File

@@ -1,181 +1,16 @@
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<ProjectGuid>{E80DA7D4-AB22-4648-A068-327307156BE6}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>mandelbrot_tasks</RootNamespace>
<ISPC_compiler Condition=" '$(ISPC_compiler)' == '' ">ispc</ISPC_compiler>
<ISPC_file>mandelbrot_tasks</ISPC_file>
<default_targets>sse2,sse4-x2,avx1-x2</default_targets>
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22
examples/noise/noise.cpp
View File

@@ -42,6 +42,7 @@
#include <algorithm>
#include "../timing.h"
#include "noise_ispc.h"
#include <string.h>
using namespace ispc;
extern void noise_serial(float x0, float y0, float x1, float y1,
@@ -65,7 +66,8 @@ writePPM(float *buf, int width, int height, const char *fn) {
}
int main() {
int main(int argc, char *argv[]) {
static unsigned int test_iterations[] = {3, 1};
unsigned int width = 768;
unsigned int height = 768;
float x0 = -10;
@@ -73,6 +75,18 @@ int main() {
float y0 = -10;
float y1 = 10;
if (argc > 1) {
if (strncmp(argv[1], "--scale=", 8) == 0) {
float scale = atof(argv[1] + 8);
width *= scale;
height *= scale;
}
}
if ((argc == 3) || (argc == 4)) {
for (int i = 0; i < 2; i++) {
test_iterations[i] = atoi(argv[argc - 2 + i]);
}
}
float *buf = new float[width*height];
//
@@ -80,10 +94,11 @@ int main() {
// time of three runs.
//
double minISPC = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[0]; ++i) {
reset_and_start_timer();
noise_ispc(x0, y0, x1, y1, width, height, buf);
double dt = get_elapsed_mcycles();
printf("@time of ISPC run:\t\t\t[%.3f] million cycles\n", dt);
minISPC = std::min(minISPC, dt);
}
@@ -99,10 +114,11 @@ int main() {
// minimum time.
//
double minSerial = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[1]; ++i) {
reset_and_start_timer();
noise_serial(x0, y0, x1, y1, width, height, buf);
double dt = get_elapsed_mcycles();
printf("@time of serial run:\t\t\t[%.3f] million cycles\n", dt);
minSerial = std::min(minSerial, dt);
}

187
examples/noise/noise.vcxproj
View File

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examples/options/options.vcxproj
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33
examples/rt/rt.cpp
View File

@@ -96,27 +96,27 @@ static void writeImage(int *idImage, float *depthImage, int width, int height,
static void usage() {
fprintf(stderr, "rt [--scale=<factor>] <scene name base>\n");
fprintf(stderr, "rt <scene name base> [--scale=<factor>] [ispc iterations] [tasks iterations] [serial iterations]\n");
exit(1);
}
int main(int argc, char *argv[]) {
static unsigned int test_iterations[] = {3, 7, 1};
float scale = 1.f;
const char *filename = NULL;
for (int i = 1; i < argc; ++i) {
if (strncmp(argv[i], "--scale=", 8) == 0) {
scale = atof(argv[i] + 8);
if (scale == 0.f)
usage();
if (argc < 2) usage();
filename = argv[1];
if (argc > 2) {
if (strncmp(argv[2], "--scale=", 8) == 0) {
scale = atof(argv[2] + 8);
}
}
if ((argc == 6) || (argc == 5)) {
for (int i = 0; i < 3; i++) {
test_iterations[i] = atoi(argv[argc - 3 + i]);
}
else if (filename != NULL)
usage();
else
filename = argv[i];
}
if (filename == NULL)
usage();
#define READ(var, n) \
if (fread(&(var), sizeof(var), n, f) != (unsigned int)n) { \
@@ -211,11 +211,12 @@ int main(int argc, char *argv[]) {
// Run 3 iterations with ispc + 1 core, record the minimum time
//
double minTimeISPC = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[0]; ++i) {
reset_and_start_timer();
raytrace_ispc(width, height, baseWidth, baseHeight, raster2camera,
camera2world, image, id, nodes, triangles);
double dt = get_elapsed_mcycles();
printf("@time of ISPC run:\t\t\t[%.3f] million cycles\n", dt);
minTimeISPC = std::min(dt, minTimeISPC);
}
printf("[rt ispc, 1 core]:\t\t[%.3f] million cycles for %d x %d image\n",
@@ -230,11 +231,12 @@ int main(int argc, char *argv[]) {
// Run 3 iterations with ispc + 1 core, record the minimum time
//
double minTimeISPCtasks = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[1]; ++i) {
reset_and_start_timer();
raytrace_ispc_tasks(width, height, baseWidth, baseHeight, raster2camera,
camera2world, image, id, nodes, triangles);
double dt = get_elapsed_mcycles();
printf("@time of ISPC + TASKS run:\t\t\t[%.3f] million cycles\n", dt);
minTimeISPCtasks = std::min(dt, minTimeISPCtasks);
}
printf("[rt ispc + tasks]:\t\t[%.3f] million cycles for %d x %d image\n",
@@ -250,11 +252,12 @@ int main(int argc, char *argv[]) {
// 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();
raytrace_serial(width, height, baseWidth, baseHeight, raster2camera,
camera2world, image, id, nodes, triangles);
double dt = get_elapsed_mcycles();
printf("@time of serial run:\t\t\t[%.3f] million cycles\n", dt);
minTimeSerial = std::min(dt, minTimeSerial);
}
printf("[rt serial]:\t\t\t[%.3f] million cycles for %d x %d image\n",

171
examples/rt/rt.vcxproj
View File

@@ -1,181 +1,16 @@
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<Keyword>Win32Proj</Keyword>
<RootNamespace>rt</RootNamespace>
<ISPC_compiler Condition=" '$(ISPC_compiler)' == '' ">ispc</ISPC_compiler>
<ISPC_file>rt</ISPC_file>
<default_targets>sse2,sse4-x2,avx1-i32x8</default_targets>
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167
examples/sort/sort.vcxproj
View File

@@ -1,177 +1,16 @@
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<ProjectGuid>{6D3EF8C5-AE26-407B-9ECE-C27CB988D9C2}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>sort</RootNamespace>
<ISPC_compiler Condition=" '$(ISPC_compiler)' == '' ">ispc</ISPC_compiler>
<ISPC_file>sort</ISPC_file>
<default_targets>sse2,sse4-x2,avx1-x2</default_targets>
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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 @@
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<ISPC_file>stencil</ISPC_file>
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19
examples/volume_rendering/volume.cpp
View File

@@ -135,10 +135,16 @@ loadVolume(const char *fn, int n[3]) {
int main(int argc, char *argv[]) {
if (argc != 3) {
fprintf(stderr, "usage: volume <camera.dat> <volume_density.vol>\n");
static unsigned int test_iterations[] = {3, 7, 1};
if (argc < 3) {
fprintf(stderr, "usage: volume <camera.dat> <volume_density.vol> [ispc iterations] [tasks iterations] [serial iterations]\n");
return 1;
}
if (argc == 6) {
for (int i = 0; i < 3; i++) {
test_iterations[i] = atoi(argv[3 + i]);
}
}
//
// Load viewing data and the volume density data
@@ -156,11 +162,12 @@ int main(int argc, char *argv[]) {
// time of three runs.
//
double minISPC = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[0]; ++i) {
reset_and_start_timer();
volume_ispc(density, n, raster2camera, camera2world,
width, height, image);
double dt = get_elapsed_mcycles();
printf("@time of ISPC run:\t\t\t[%.3f] million cycles\n", dt);
minISPC = std::min(minISPC, dt);
}
@@ -176,11 +183,12 @@ int main(int argc, char *argv[]) {
// tasks; report the minimum time of three runs.
//
double minISPCtasks = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[1]; ++i) {
reset_and_start_timer();
volume_ispc_tasks(density, n, raster2camera, camera2world,
width, height, image);
double dt = get_elapsed_mcycles();
printf("@time of ISPC + TASKS run:\t\t\t[%.3f] million cycles\n", dt);
minISPCtasks = std::min(minISPCtasks, dt);
}
@@ -196,11 +204,12 @@ int main(int argc, char *argv[]) {
// minimum time.
//
double minSerial = 1e30;
for (int i = 0; i < 3; ++i) {
for (int i = 0; i < test_iterations[2]; ++i) {
reset_and_start_timer();
volume_serial(density, n, raster2camera, camera2world,
width, height, image);
double dt = get_elapsed_mcycles();
printf("@time of serial run:\t\t\t[%.3f] million cycles\n", dt);
minSerial = std::min(minSerial, dt);
}

167
examples/volume_rendering/volume.vcxproj
View File

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<ISPC_file>volume</ISPC_file>
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