44 lines
951 B
C
44 lines
951 B
C
|
#include <omp.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#ifdef _OPENMP
|
||
|
|
|
||
|
|
static char versionbuf[16];
|
||
|
|
static char gitversion[] = VERSIONINFO;
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
int tcount = 0;
|
||
|
|
char *versionp;
|
||
|
|
|
||
|
|
/* Tell about the version of OpenMP API we're using.
|
||
|
|
* Specification source: www.openmp.org.
|
||
|
|
*/
|
||
|
|
switch (_OPENMP) {
|
||
|
|
case 200805:
|
||
|
|
versionp = "3.0 (May 2008)"; break;
|
||
|
|
case 201107:
|
||
|
|
versionp = "3.1 (Jul 2011)"; break;
|
||
|
|
case 201307:
|
||
|
|
versionp = "4.0 (Jul 2013)"; break;
|
||
|
|
default:
|
||
|
|
sprintf(versionbuf, "(%6.6d)", _OPENMP);
|
||
|
|
versionp = versionbuf;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
printf("Using OpenMP version: %s\n", versionp);
|
||
|
|
printf("Program git commit info: %s\n", gitversion);
|
||
|
|
printf("Max threads = %d\n", omp_get_max_threads());
|
||
|
|
|
||
|
|
#pragma omp parallel
|
||
|
|
#pragma omp atomic
|
||
|
|
tcount++;
|
||
|
|
|
||
|
|
#pragma omp parallel
|
||
|
|
/* Hello parallel world... */
|
||
|
|
printf("Hello OpenMP World from thread %3.3d of %3.3d! (tcount=%d)\n",
|
||
|
|
omp_get_thread_num() + 1, omp_get_num_threads(), tcount);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|