OpenMP-Examples/sources/Example_parallel_master_taskloop.1.c

32 lines
655 B
C

/*
* @@name: parallel_master_taskloop.1c
* @@type: C
* @@compilable: yes
* @@linkable: yes
* @@expect: success
*/
#include <stdio.h>
#define N 100
int main()
{
int i, a[N],b[N],c[N];
for(int i=0; i<N; i++){ b[i]=i; c[i]=i; } //init
#pragma omp parallel
#pragma omp master
#pragma omp taskloop // taskloop 1
for(i=0;i<N;i++){ a[i] = b[i] + c[i]; }
#pragma omp parallel master taskloop // taskloop 2
for(i=0;i<N;i++){ b[i] = a[i] + c[i]; }
#pragma omp parallel master taskloop simd // taskloop 3
for(i=0;i<N;i++){ c[i] = a[i] + b[i]; }
printf(" %d %d\n",c[0],c[N-1]); // 0 and 495
}