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Overrides the barrier implicit in a directive.
nowait
nowait
applies to the following directives:
For more information, see 2.4.1 for Construct, 2.4.2 sections Construct, and 2.4.3 single Construct.
// omp_nowait.cpp
// compile with: /openmp /c
#include <stdio.h>
#define SIZE 5
void test(int *a, int *b, int *c, int size)
{
int i;
#pragma omp parallel
{
#pragma omp for nowait
for (i = 0; i < size; i++)
b[i] = a[i] * a[i];
#pragma omp for nowait
for (i = 0; i < size; i++)
c[i] = a[i]/2;
}
}
int main( )
{
int a[SIZE], b[SIZE], c[SIZE];
int i;
for (i=0; i<SIZE; i++)
a[i] = i;
test(a,b,c, SIZE);
for (i=0; i<SIZE; i++)
printf_s("%d, %d, %d\n", a[i], b[i], c[i]);
}
0, 0, 0
1, 1, 0
2, 4, 1
3, 9, 1
4, 16, 2