OpenMP-Examples/sources/Example_teams.3.c

24 lines
632 B
C

/*
* @@name: teams.3c
* @@type: C
* @@compilable: yes
* @@linkable: no
* @@expect: success
*/
float dotprod(float B[], float C[], int N)
{
float sum = 0;
int i;
#pragma omp target teams map(to: B[0:N], C[0:N]) \
defaultmap(tofrom:scalar) reduction(+:sum)
#pragma omp distribute parallel for reduction(+:sum)
for (i=0; i<N; i++)
sum += B[i] * C[i];
return sum;
}
/* Note: The variable sum is now mapped with tofrom from the defaultmap
clause on the combined target teams construct, for correct
execution with 4.5 (and pre-4.5) compliant compilers. See Devices Intro.
*/