167 lines
3.2 KiB
C
167 lines
3.2 KiB
C
/* { dg-do run } */
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#include <stdlib.h>
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int
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main (int argc, char **argv)
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{
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int N = 128; //1024 * 1024;
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float *a, *b, *c, *d, *e;
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int i;
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int nbytes;
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nbytes = N * sizeof (float);
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a = (float *) malloc (nbytes);
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b = (float *) malloc (nbytes);
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c = (float *) malloc (nbytes);
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d = (float *) malloc (nbytes);
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e = (float *) malloc (nbytes);
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for (i = 0; i < N; i++)
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{
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a[i] = 3.0;
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b[i] = 0.0;
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}
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#pragma acc enter data copyin (a[0:N]) copyin (b[0:N]) copyin (N) async
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#pragma acc parallel async wait
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#pragma acc loop
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for (i = 0; i < N; i++)
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b[i] = a[i];
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#pragma acc update host (a[0:N], b[0:N]) async wait
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#pragma acc wait
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for (i = 0; i < N; i++)
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{
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if (a[i] != 3.0)
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abort ();
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if (b[i] != 3.0)
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abort ();
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}
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for (i = 0; i < N; i++)
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{
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a[i] = 2.0;
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b[i] = 0.0;
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}
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#pragma acc update device (a[0:N], b[0:N]) async (1)
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#pragma acc parallel async (1)
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#pragma acc loop
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for (i = 0; i < N; i++)
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b[i] = a[i];
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#pragma acc update host (a[0:N], b[0:N]) async (1) wait (1)
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#pragma acc wait (1)
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for (i = 0; i < N; i++)
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{
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if (a[i] != 2.0)
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abort ();
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if (b[i] != 2.0)
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abort ();
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}
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for (i = 0; i < N; i++)
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{
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a[i] = 3.0;
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b[i] = 0.0;
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c[i] = 0.0;
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d[i] = 0.0;
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}
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#pragma acc update device (a[0:N]) async (1)
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#pragma acc update device (b[0:N]) async (2)
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#pragma acc enter data copyin (c[0:N], d[0:N]) async (3)
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#pragma acc parallel async (1) wait (1,2)
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#pragma acc loop
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for (i = 0; i < N; i++)
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b[i] = (a[i] * a[i] * a[i]) / a[i];
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#pragma acc parallel async (2) wait (1,3)
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#pragma acc loop
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for (i = 0; i < N; i++)
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c[i] = (a[i] + a[i] + a[i] + a[i]) / a[i];
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#pragma acc parallel async (3) wait (1,3)
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#pragma acc loop
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for (i = 0; i < N; i++)
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d[i] = ((a[i] * a[i] + a[i]) / a[i]) - a[i];
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#pragma acc update host (a[0:N], b[0:N], c[0:N], d[0:N]) async (1) wait (1,2,3)
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#pragma acc wait (1)
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for (i = 0; i < N; i++)
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{
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if (a[i] != 3.0)
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abort ();
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if (b[i] != 9.0)
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abort ();
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if (c[i] != 4.0)
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abort ();
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if (d[i] != 1.0)
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abort ();
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}
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for (i = 0; i < N; i++)
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{
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a[i] = 2.0;
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b[i] = 0.0;
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c[i] = 0.0;
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d[i] = 0.0;
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e[i] = 0.0;
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}
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#pragma acc update device (a[0:N], b[0:N], c[0:N], d[0:N]) async (1)
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#pragma acc enter data copyin (e[0:N]) async (5)
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#pragma acc parallel async (1) wait (1)
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for (int ii = 0; ii < N; ii++)
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b[ii] = (a[ii] * a[ii] * a[ii]) / a[ii];
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#pragma acc parallel async (2) wait (1)
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for (int ii = 0; ii < N; ii++)
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c[ii] = (a[ii] + a[ii] + a[ii] + a[ii]) / a[ii];
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#pragma acc parallel async (3) wait (1)
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for (int ii = 0; ii < N; ii++)
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d[ii] = ((a[ii] * a[ii] + a[ii]) / a[ii]) - a[ii];
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#pragma acc parallel wait (1,5) async (4)
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for (int ii = 0; ii < N; ii++)
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e[ii] = a[ii] + b[ii] + c[ii] + d[ii];
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#pragma acc exit data copyout (a[0:N]) copyout (b[0:N]) copyout (c[0:N]) copyout (d[0:N]) copyout (e[0:N]) wait (1, 2, 3, 4) async (1)
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#pragma acc exit data delete (N)
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#pragma acc wait (1)
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for (i = 0; i < N; i++)
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{
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if (a[i] != 2.0)
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abort ();
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if (b[i] != 4.0)
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abort ();
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if (c[i] != 4.0)
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abort ();
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if (d[i] != 1.0)
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abort ();
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if (e[i] != 11.0)
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abort ();
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}
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return 0;
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}
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