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xeonphi tests added for rt

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evghenii
2013-11-09 19:26:19 +01:00
parent dc7015c5f2
commit 3a549e5c2f
2 changed files with 12 additions and 5 deletions
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15
examples_cuda/rt/rt.cpp
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@@ -181,7 +181,6 @@ int main(int argc, char *argv[]) {
READ(nNodes, 1); READ(nNodes, 1);
LinearBVHNode *nodes = new LinearBVHNode[nNodes]; LinearBVHNode *nodes = new LinearBVHNode[nNodes];
#pragma omp parallel for
for (unsigned int i = 0; i < nNodes; ++i) { for (unsigned int i = 0; i < nNodes; ++i) {
// Each node is 6x floats for a boox, then an integer for an offset // Each node is 6x floats for a boox, then an integer for an offset
// to the second child node, then an integer that encodes the type // to the second child node, then an integer that encodes the type
@@ -206,7 +205,6 @@ int main(int argc, char *argv[]) {
uint nTris; uint nTris;
READ(nTris, 1); READ(nTris, 1);
Triangle *triangles = new Triangle[nTris]; Triangle *triangles = new Triangle[nTris];
#pragma omp parallel for
for (uint i = 0; i < nTris; ++i) { for (uint i = 0; i < nTris; ++i) {
// 9x floats for the 3 vertices // 9x floats for the 3 vertices
float v[9]; float v[9];
@@ -255,19 +253,26 @@ int main(int argc, char *argv[]) {
// //
// Run 3 iterations with ispc + 1 core, record the minimum time // Run 3 iterations with ispc + 1 core, record the minimum time
// //
fprintf(stderr, " --- 6 --- \n");
fflush(stderr);
double minTimeISPCtasks = 1e30; double minTimeISPCtasks = 1e30;
for (int i = 0; i < 3; ++i) { for (int i = 0; i < 3; ++i)
reset_and_start_timer(); {
// reset_and_start_timer();
const double t0 = rtc(); const double t0 = rtc();
raytrace_ispc_tasks(width, height, baseWidth, baseHeight, raster2camera, raytrace_ispc_tasks(width, height, baseWidth, baseHeight, raster2camera,
camera2world, image, id, nodes, triangles); camera2world, image, id, nodes, triangles);
double dt = rtc() - t0; //get_elapsed_mcycles(); double dt = rtc() - t0; //get_elapsed_mcycles();
minTimeISPCtasks = std::min(dt, minTimeISPCtasks); minTimeISPCtasks = std::min(dt, minTimeISPCtasks);
} }
printf("[rt ispc + tasks]:\t\t[%.3f] million cycles for %d x %d image\n", fprintf(stderr, "[rt ispc + tasks]:\t\t[%.3f] million cycles for %d x %d image\n",
minTimeISPCtasks, width, height); minTimeISPCtasks, width, height);
fflush(stderr);
fprintf(stderr, " --- 7 --- \n");
fflush(stderr);
writeImage(id, image, width, height, "rt-ispc-tasks.ppm"); writeImage(id, image, width, height, "rt-ispc-tasks.ppm");
return 0;
memset(id, 0, width*height*sizeof(int)); memset(id, 0, width*height*sizeof(int));
memset(image, 0, width*height*sizeof(float)); memset(image, 0, width*height*sizeof(float));

2
examples_cuda/tasksys.cpp
View File

@@ -59,7 +59,9 @@
#define ISPC_USE_PTHREADS #define ISPC_USE_PTHREADS
#define ISPC_USE_PTHREADS_FULLY_SUBSCRIBED #define ISPC_USE_PTHREADS_FULLY_SUBSCRIBED
#define ISPC_USE_CILK #define ISPC_USE_CILK
*/
#define ISPC_USE_OMP #define ISPC_USE_OMP
/*
#define ISPC_USE_TBB_TASK_GROUP #define ISPC_USE_TBB_TASK_GROUP
#define ISPC_USE_TBB_PARALLEL_FOR #define ISPC_USE_TBB_PARALLEL_FOR