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39 lines
783 B
C
39 lines
783 B
C
#include <stdlib.h>
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#define N (1024 * 512)
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#define COUNTERTYPE unsigned int
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int
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main (void)
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{
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unsigned int *__restrict a;
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unsigned int *__restrict b;
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unsigned int *__restrict c;
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a = (unsigned int *__restrict)malloc (N * sizeof (unsigned int));
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b = (unsigned int *__restrict)malloc (N * sizeof (unsigned int));
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c = (unsigned int *__restrict)malloc (N * sizeof (unsigned int));
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for (COUNTERTYPE i = 0; i < N; i++)
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a[i] = i * 2;
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for (COUNTERTYPE i = 0; i < N; i++)
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b[i] = i * 4;
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#pragma acc kernels copyin (a[0:N], b[0:N]) copyout (c[0:N])
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{
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for (COUNTERTYPE ii = 0; ii < N; ii++)
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c[ii] = a[ii] + b[ii];
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}
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for (COUNTERTYPE i = 0; i < N; i++)
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if (c[i] != a[i] + b[i])
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abort ();
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free (a);
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free (b);
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free (c);
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return 0;
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}
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