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/* Test asynchronous, unstructed data regions, directives variant. */
/* See also data-2-lib.c. */
#include <stdlib.h>
#undef NDEBUG
#include <assert.h>
int
main (int argc, char **argv)
{
int N = 12345;
float *a, *b, *c, *d, *e;
int i;
int nbytes;
nbytes = N * sizeof (float);
a = (float *) malloc (nbytes);
b = (float *) malloc (nbytes);
c = (float *) malloc (nbytes);
d = (float *) malloc (nbytes);
e = (float *) malloc (nbytes);
for (i = 0; i < N; i++)
{
a[i] = 3.0;
b[i] = 0.0;
}
#pragma acc enter data copyin (a[0:N]) async
#pragma acc enter data copyin (b[0:N]) async
#pragma acc enter data copyin (N) async
#pragma acc parallel present (a[0:N], b[0:N], N) async
#pragma acc loop
for (i = 0; i < N; i++)
b[i] = a[i];
#pragma acc update self (a[0:N]) async
#pragma acc update self (b[0:N]) async
#pragma acc wait
for (i = 0; i < N; i++)
{
assert (a[i] == 3.0);
assert (b[i] == 3.0);
}
for (i = 0; i < N; i++)
{
a[i] = 2.0;
b[i] = 0.0;
}
#pragma acc update device (a[0:N]) async (1)
#pragma acc update device (b[0:N]) async (1)
#pragma acc parallel present (a[0:N], b[0:N], N) async (1)
#pragma acc loop
for (i = 0; i < N; i++)
b[i] = a[i];
#pragma acc update self (a[0:N]) async (1)
#pragma acc update self (b[0:N]) async (1)
#pragma acc wait (1)
/* Test unseen async-argument. */
#pragma acc wait (10)
for (i = 0; i < N; i++)
{
assert (a[i] == 2.0);
assert (b[i] == 2.0);
}
for (i = 0; i < N; i++)
{
a[i] = 3.0;
b[i] = 0.0;
c[i] = 0.0;
d[i] = 0.0;
}
#pragma acc update device (a[0:N]) async (0)
#pragma acc update device (b[0:N]) async (1)
#pragma acc enter data copyin (c[0:N]) async (2)
#pragma acc enter data copyin (d[0:N]) async (3)
#pragma acc parallel present (a[0:N], b[0:N], N) wait (0) async (1)
#pragma acc loop
for (i = 0; i < N; i++)
b[i] = (a[i] * a[i] * a[i]) / a[i];
#pragma acc parallel present (a[0:N], c[0:N], N) wait (0) async (2)
#pragma acc loop
for (i = 0; i < N; i++)
c[i] = (a[i] + a[i] + a[i] + a[i]) / a[i];
#pragma acc parallel present (a[0:N], d[0:N], N) wait (0) async (3)
#pragma acc loop
for (i = 0; i < N; i++)
d[i] = ((a[i] * a[i] + a[i]) / a[i]) - a[i];
#pragma acc update self (a[0:N]) async (0)
#pragma acc update self (b[0:N]) async (1)
#pragma acc update self (c[0:N]) async (2)
#pragma acc update self (d[0:N]) async (3)
#pragma acc wait async (0)
#pragma acc wait (0)
for (i = 0; i < N; i++)
{
assert (a[i] == 3.0);
assert (b[i] == 9.0);
assert (c[i] == 4.0);
assert (d[i] == 1.0);
}
for (i = 0; i < N; i++)
{
a[i] = 2.0;
b[i] = 0.0;
c[i] = 0.0;
d[i] = 0.0;
e[i] = 0.0;
}
#pragma acc update device (a[0:N]) async (10)
#pragma acc update device (b[0:N]) async (11)
#pragma acc update device (c[0:N]) async (12)
#pragma acc update device (d[0:N]) async (13)
#pragma acc enter data copyin (e[0:N]) async (14)
#pragma acc parallel present (a[0:N], b[0:N], N) wait (10) async (11)
for (int ii = 0; ii < N; ii++)
b[ii] = (a[ii] * a[ii] * a[ii]) / a[ii];
#pragma acc parallel present (a[0:N], c[0:N], N) wait (10) async (12)
for (int ii = 0; ii < N; ii++)
c[ii] = (a[ii] + a[ii] + a[ii] + a[ii]) / a[ii];
#pragma acc parallel present (a[0:N], d[0:N], N) wait (10) async (13)
for (int ii = 0; ii < N; ii++)
d[ii] = ((a[ii] * a[ii] + a[ii]) / a[ii]) - a[ii];
#pragma acc parallel present (a[0:N], b[0:N], c[0:N], d[0:N], e[0:N], N) wait (11) wait (12) wait (13) async (14)
for (int ii = 0; ii < N; ii++)
e[ii] = a[ii] + b[ii] + c[ii] + d[ii];
#pragma acc exit data copyout (a[0:N]) async (10)
#pragma acc exit data copyout (b[0:N]) async (11)
#pragma acc exit data copyout (c[0:N]) async (12)
#pragma acc exit data copyout (d[0:N]) async (13)
#pragma acc exit data copyout (e[0:N]) async (14)
#pragma acc exit data delete (N) async (15)
#pragma acc wait
for (i = 0; i < N; i++)
{
assert (a[i] == 2.0);
assert (b[i] == 4.0);
assert (c[i] == 4.0);
assert (d[i] == 1.0);
assert (e[i] == 11.0);
}
return 0;
}
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