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
|
// This program demonstrates how to rebind syclFlow tasks
// to different device operations.
#include <taskflow/syclflow.hpp>
int main() {
size_t N = 10000;
sycl::queue queue;
auto data = sycl::malloc_shared<int>(N, queue);
tf::syclFlow syclflow(queue);
// fill data with -1
std::cout << "filling data with -1 ...\n";
tf::syclTask task = syclflow.fill(data, -1, N);
syclflow.offload();
for(size_t i=0; i<N; i++) {
if(data[i] != -1) {
throw std::runtime_error("unexpected result after fill");
}
}
std::cout << "correct result after fill\n";
// rebind the task to for-each task setting each element to 100
// You can rebind a syclTask to any other task type.
std::cout << "rebind task to for_each task setting each element to 100\n";
syclflow.for_each(
task, data, data+N, [](int& i){ i = 100; }
);
syclflow.offload();
for(size_t i=0; i<N; i++) {
if(data[i] != 100) {
throw std::runtime_error("unexpected result after for_each");
}
}
std::cout << "correct result after updating for_each\n";
return 0;
}
|
