uint64_t testloop3(int stride)
{
int i, j, warmup = niters;
uint64_t start, end, result = 0;
for(i = 0; i < niters + warmup; i++) {
if(want_cache_flush) {
flush_cache();
}
start = rdtsc();
/* First access first half of arrays */
for(j=0; j < stride; j++){
runloop(0, narrays / 2, j, nitems, stride);
}
/* Now second half of arrays */
for(j=0; j < stride; j++){
runloop(narrays / 2, narrays, j, nitems, stride);
}
end = rdtsc();
if( i >= warmup ) {
result += end - start;
}
}
return result;
}
int main(int argc, char *argv[]) {
double start1,start2,end1,end2;
int r;
init1();
start1 = omp_get_wtime();
for (r=0; r<reps; r++){
runloop(1);
}
end1 = omp_get_wtime();
valid1();
printf("Total time for %d reps of loop 1 = %f\n",reps, (float)(end1-start1));
init2();
start2 = omp_get_wtime();
for (r=0; r<reps; r++){
runloop(2);
}
end2 = omp_get_wtime();
valid2();
printf("Total time for %d reps of loop 2 = %f\n",reps, (float)(end2-start2));
}
int main(int argc, char *argv[]) {
loop_time = malloc(omp_get_max_threads()*sizeof(int));
waiting_time = malloc(omp_get_max_threads()*sizeof(int));
int i;
for(i=0; i<omp_get_max_threads(); i++)
{
loop_time[i] = 0;
waiting_time[i] = 0;
}
double start1,start2,end1,end2;
int r;
init1();
start1 = omp_get_wtime();
for (r=0; r<reps; r++){
runloop(1);
}
end1 = omp_get_wtime();
valid1();
printf("Total time for %d reps of loop 1 = %f\n",reps, (float)(end1-start1));
printf("#thread\ttime thread spent working\n");
for(i=0;i<omp_get_max_threads(); i++)
{
printf("\t%d\t%d\t%d\n", i, loop_time[i], waiting_time[i]);
loop_time[i] = 0;
waiting_time[i] = 0;
}
init2();
start2 = omp_get_wtime();
for (r=0; r<reps; r++){
runloop(2);
}
end2 = omp_get_wtime();
valid2();
printf("Total time for %d reps of loop 2 = %f\n",reps, (float)(end2-start2));
printf("#thread\ttime thread spent working\n");
for(i=0;i<omp_get_max_threads(); i++)
{
printf("\t%d\t%d\t%d\n", i, loop_time[i], waiting_time[i]);
}
}
static
void
run(void)
{
struct timeval starttime, endtime;
u_int64_t totcycles;
double time;
gettimeofday(&starttime, NULL);
runloop();
gettimeofday(&endtime, NULL);
endtime.tv_sec -= starttime.tv_sec;
if (endtime.tv_usec < starttime.tv_usec) {
endtime.tv_sec--;
endtime.tv_usec += 1000000;
}
endtime.tv_usec -= starttime.tv_usec;
time = endtime.tv_sec + endtime.tv_usec/1000000.0;
totcycles = showstats();
msg("Elapsed real time: %llu.%06lu seconds (%g mhz)",
(unsigned long long) endtime.tv_sec,
(unsigned long) endtime.tv_usec,
totcycles/(time*1000000.0));
}
int main() {
init_child_list();
// Trap SIGINT. This is a shell, so kill children, not current process.
signal(SIGINT, trap_interrupt);
signal(SIGCHLD, child_ended);
runloop();
return 0;
}
int main(int argc, char *argv[]) {
double start1,start2,end1,end2;
int r;
int i;
/* Init locks */
for(i=0;i<MAX_PROCS;i++) omp_init_lock(&(remaining_iters_lock[i]));
init1();
start1 = omp_get_wtime();
for (r=0; r<reps; r++){
runloop(1);
}
end1 = omp_get_wtime();
valid1();
printf("Total time for %d reps of loop 1 = %f\n",reps, (float)(end1-start1));
init2();
start2 = omp_get_wtime();
for (r=0; r<reps; r++){
runloop(2);
}
end2 = omp_get_wtime();
valid2();
printf("Total time for %d reps of loop 2 = %f\n",reps, (float)(end2-start2));
for(i=0;i<MAX_PROCS;i++) omp_destroy_lock(&(remaining_iters_lock[i]));
}
uint64_t testloop2()
{
int i, warmup = niters;
uint64_t start, end, result = 0;
for(i = 0; i < niters + warmup; i++) {
if(want_cache_flush) {
flush_cache();
}
start = rdtsc();
/* Perform access multiple times */
runloop(0, narrays / 2, 0, nitems, 1);
runloop(narrays / 2, narrays, 0, nitems, 1);
end = rdtsc();
if( i >= warmup ) {
result += end - start;
}
}
return result;
}
int main(int argc, char *argv[]){
if (!init(argc, argv)) {
std::cerr << "Error occured!" << std::endl;
shutdown();
exit( EXIT_FAILURE );
}
runloop();
shutdown();
exit( EXIT_SUCCESS );
}
int main(int argc, char** argv) {
server_t* server;
uint16_t desiredPort;
if (argc == 1)
desiredPort = 0;
else if (argc == 2) {
int port = atoi(argv[1]);
if (port < 0 || port > UINT16_MAX) {
printf("Port is invalid.\n");
return EXIT_FAILURE;
}
desiredPort = port;
}
else {
printf("%s [port]\n", argv[0]);
return EXIT_FAILURE;
}
printf("Opening server socket...\n");
server = openAndBindServerSocket(desiredPort);
if (!server) {
perror("Could not open server socket");
return EXIT_FAILURE;
}
printf("Listing on %d for connections...\n", server->port);
server->running = true;
while(server->running)
runloop(server);
return EXIT_SUCCESS;
}
