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#include "Halide.h"
#include <stdio.h>
using namespace Halide;
int main(int argc, char **argv) {
if (get_jit_target_from_environment().arch == Target::WebAssembly) {
printf("[SKIP] WebAssembly does not support async() yet.\n");
return 0;
}
{
Func producer1, producer2, consumer;
Var x, y;
producer1(x, y) = x + y;
producer2(x, y) = producer1(x, y);
consumer(x, y) = producer1(x, y - 1) + producer2(x, y + 1);
consumer.compute_root();
producer1.compute_at(consumer, y);
producer2.compute_at(consumer, y).async();
consumer.bound(x, 0, 16).bound(y, 0, 16);
Buffer<int> out = consumer.realize({16, 16});
out.for_each_element([&](int x, int y) {
int correct = 2 * (x + y);
if (out(x, y) != correct) {
printf("out(%d, %d) = %d instead of %d\n",
x, y, out(x, y), correct);
exit(-1);
}
});
}
{
Func producer1, producer2, consumer;
Var x, y;
producer1(x, y) = x + y;
producer2(x, y) = producer1(x, y);
consumer(x, y) = producer1(x, y - 1) + producer2(x, y + 1);
consumer.compute_root();
producer1.compute_root();
producer2.store_root().compute_at(consumer, y).async();
consumer.bound(x, 0, 16).bound(y, 0, 16);
Buffer<int> out = consumer.realize({16, 16});
out.for_each_element([&](int x, int y) {
int correct = 2 * (x + y);
if (out(x, y) != correct) {
printf("out(%d, %d) = %d instead of %d\n",
x, y, out(x, y), correct);
exit(-1);
}
});
}
{
Func producer1, producer2, consumer;
Var x, y;
producer1(x, y) = x + y;
producer2(x, y) = producer1(x, y);
consumer(x, y) = producer1(x, y - 1) + producer2(x, y + 1);
consumer.compute_root();
producer1.store_root().compute_at(consumer, y).async();
producer2.store_root().compute_at(consumer, y).async();
consumer.bound(x, 0, 16).bound(y, 0, 16);
Buffer<int> out = consumer.realize({16, 16});
out.for_each_element([&](int x, int y) {
int correct = 2 * (x + y);
if (out(x, y) != correct) {
printf("out(%d, %d) = %d instead of %d\n",
x, y, out(x, y), correct);
exit(-1);
}
});
}
printf("Success!\n");
return 0;
}
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