X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libgomp%2Ftestsuite%2Flibgomp.c%2Fomp_workshare1.c;fp=libgomp%2Ftestsuite%2Flibgomp.c%2Fomp_workshare1.c;h=e33bef316d801bf29bdf0ff534ba638be47c26ba;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libgomp/testsuite/libgomp.c/omp_workshare1.c b/libgomp/testsuite/libgomp.c/omp_workshare1.c new file mode 100644 index 00000000..e33bef31 --- /dev/null +++ b/libgomp/testsuite/libgomp.c/omp_workshare1.c @@ -0,0 +1,47 @@ +/****************************************************************************** +* 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