blob: ee5e094c6943d1e488428c569d034f52045eb068 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
// { dg-do run }
// { dg-additional-options -DMEM_SHARED { target offload_device_shared_as } }
#include <stdlib.h>
#include <time.h>
#include <array>
#include <algorithm>
#define N 50000
void init (int data[])
{
for (int i = 0; i < N; ++i)
data[i] = rand ();
}
#pragma omp declare target
bool validate (const std::array<int,N> &arr, int data[])
{
for (int i = 0; i < N; ++i)
if (arr[i] != data[i] * data[i])
return false;
return true;
}
#pragma omp end declare target
int main (void)
{
int data[N];
bool ok;
std::array<int,N> arr;
srand (time (NULL));
init (data);
#ifndef MEM_SHARED
#pragma omp target data map (to: data[ :N]) map (alloc: arr)
#endif
{
#pragma omp target
{
#ifndef MEM_SHARED
new (&arr) std::array<int,N> ();
#endif
std::copy (data, data + N, arr.begin ());
}
#pragma omp target teams distribute parallel for
for (int i = 0; i < N; ++i)
arr[i] *= arr[i];
#pragma omp target map (from: ok)
{
ok = validate (arr, data);
#ifndef MEM_SHARED
arr.~array ();
#endif
}
}
return ok ? 0 : 1;
}
|
