mirror of
https://github.com/OpenMP/Examples.git
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55 lines
993 B
C
55 lines
993 B
C
/*
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* @@name: declare_target.6
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* @@type: C
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* @@operation: compile
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* @@expect: success
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* @@version: omp_5.1
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*/
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#define N 100000000
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float sp[N], sv1[N], sv2[N];
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double dp[N], dv1[N], dv2[N];
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#pragma omp declare target link(sp,sv1,sv2) \
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link(dp,dv1,dv2)
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void s_init(float *, float *, int);
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void d_init(double *, double *, int);
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void s_output(float *, int);
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void d_output(double *, int);
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#pragma omp begin declare target
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void s_vec_mult_accum()
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{
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int i;
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#pragma omp parallel for
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for (i=0; i<N; i++)
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sp[i] = sv1[i] * sv2[i];
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}
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void d_vec_mult_accum()
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{
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int i;
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#pragma omp parallel for
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for (i=0; i<N; i++)
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dp[i] = dv1[i] * dv2[i];
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}
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#pragma omp end declare target
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int main()
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{
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s_init(sv1, sv2, N);
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#pragma omp target map(to:sv1,sv2) map(from:sp)
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s_vec_mult_accum();
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s_output(sp, N);
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d_init(dv1, dv2, N);
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#pragma omp target map(to:dv1,dv2) map(from:dp)
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d_vec_mult_accum();
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d_output(dp, N);
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return 0;
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}
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