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author | Jing Yu <jingyu@google.com> | 2010-07-22 14:03:48 -0700 |
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committer | Jing Yu <jingyu@google.com> | 2010-07-22 14:03:48 -0700 |
commit | b094d6c4bf572654a031ecc4afe675154c886dc5 (patch) | |
tree | 89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_workshare1.c | |
parent | dc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff) | |
download | toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.tar.gz toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.tar.bz2 toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.zip |
commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which
are recorded in gcc-4.4.3/README.google.
Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_workshare1.c')
-rw-r--r-- | gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_workshare1.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_workshare1.c b/gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_workshare1.c new file mode 100644 index 000000000..e33bef316 --- /dev/null +++ b/gcc-4.4.3/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 <omp.h> +#include <stdio.h> +#include <stdlib.h> +#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<N; i++) + { + c[i] = a[i] + b[i]; + printf("Thread %d: c[%d]= %f\n",tid,i,c[i]); + } + + } /* end of parallel section */ + + return 0; +} |