| #include <omp.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| /** |
| * Hello OpenMP World prints the number of threads and the current thread id |
| */ |
| int main (int argc, char *argv[]) { |
| |
| int numThreads, tid; |
| |
| /* This creates a team of threads; each thread has own copy of variables */ |
| #pragma omp parallel private(numThreads, tid) |
| { |
| tid = omp_get_thread_num(); |
| printf("Hello World from thread number %d\n", tid); |
| |
| /* The following is executed by the master thread only (tid=0) */ |
| if (tid == 0) |
| { |
| numThreads = omp_get_num_threads(); |
| printf("Number of threads is %d\n", numThreads); |
| } |
| } |
| return 0; |
| } |
