/****************************************************************************** * FILE: omp_workshare1.c * DESCRIPTION: * OpenMP Example - Loop Work-sharing - C/C++ Version * In this example, the iterations of a loop are scheduled dynamically * across the team of threads. A thread will perform CHUNK iterations * at a time before being scheduled for the next CHUNK of work. * AUTHOR: Blaise Barney 5/99 * LAST REVISED: 04/06/05 ******************************************************************************/ #include #include #include #define CHUNKSIZE 10 #define N 100 int main (int argc, char *argv[]) { int nthreads, tid, i, chunk; float a[N], b[N], c[N]; /* Some initializations */ for (i=0; i < N; i++) a[i] = b[i] = i * 1.0; chunk = CHUNKSIZE; #pragma omp parallel shared(a,b,c,nthreads,chunk) private(i,tid) { tid = omp_get_thread_num(); if (tid == 0) { nthreads = omp_get_num_threads(); printf("Number of threads = %d\n", nthreads); } printf("Thread %d starting...\n",tid); #pragma omp for schedule(dynamic,chunk) for (i=0; i