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added cpu compilation path

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This commit is contained in:
Evghenii
2014-02-20 12:57:50 +01:00
parent fc7cefcf19
commit 93849370b1
5 changed files with 134 additions and 37 deletions
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34
examples/portable/aobench/ao.cpp
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@@ -58,8 +58,6 @@
#define NSUBSAMPLES 2
extern void ao_serial(int w, int h, int nsubsamples, float image[]);
static unsigned int test_iterations[] = {3, 7, 1};
static unsigned int width, height;
static unsigned char *img;
@@ -123,13 +121,8 @@ int main(int argc, char **argv)
}
// Allocate space for output images
#if 0
img = new unsigned char[width * height * 3];
fimg = new float[width * height * 3];
#else
ispc_malloc((void**) &img, sizeof(unsigned char)*width*height*3);
ispc_malloc((void**)&fimg, sizeof( float)*width*height*3);
#endif
//
// Run the ispc + tasks path, test_iterations times, and report the
@@ -137,7 +130,7 @@ int main(int argc, char **argv)
//
double minTimeISPCTasks = 1e30;
for (unsigned int i = 0; i < test_iterations[1]; i++) {
ispc_memset((void *)fimg, 0, sizeof(float) * width * height * 3);
ispc_memset(fimg, 0, sizeof(float) * width * height * 3);
assert(NSUBSAMPLES == 2);
reset_and_start_timer();
@@ -152,29 +145,8 @@ int main(int argc, char **argv)
minTimeISPCTasks, width, height);
savePPM("ao-ispc-tasks.ppm", width, height);
//
// Run the serial path, again test_iteration times, and report the
// minimum time.
//
double minTimeSerial = 1e30;
for (unsigned int i = 0; i < test_iterations[2]; i++) {
ispc_memset((void *)fimg, 0, sizeof(float) * width * height * 3);
reset_and_start_timer();
ao_serial(width, height, NSUBSAMPLES, fimg);
double t = get_elapsed_msec();
printf("@time of serial run:\t\t\t\t[%.3f] msec\n", t);
minTimeSerial = std::min(minTimeSerial, t);
}
// Report more results, save another image...
printf("[aobench serial]:\t\t[%.3f] msec (%d x %d image)\n", minTimeSerial,
width, height);
printf("\t\t\t\t(%.2fx speedup from ISPC + tasks)\n",
minTimeSerial / minTimeISPCTasks);
savePPM("ao-serial.ppm", width, height);
ispc_free(img);
ispc_free(fimg);
delete img;
delete fimg;
return 0;
}