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
63
|
#include "Halide.h"
#include "halide_benchmark.h"
using namespace Halide;
using namespace Halide::Tools;
double run_test(bool auto_schedule) {
Func fib("fib"), g("g");
Var x("x");
RDom r(2, 298, "r");
fib(x) = 1;
fib(r) = fib(r - 2) + fib(r - 1);
g(x) = fib(x + 10);
// Provide estimates on the pipeline output
g.set_estimate(x, 0, 300);
Target target = get_jit_target_from_environment();
Pipeline p(g);
if (auto_schedule) {
// Auto-schedule the pipeline
p.auto_schedule(target);
}
// Inspect the schedule
g.print_loop_nest();
// Benchmark the schedule
Buffer<int> out(100);
double t = benchmark(3, 10, [&]() {
p.realize(out);
});
return t * 1000;
}
int main(int argc, char **argv) {
if (get_jit_target_from_environment().arch == Target::WebAssembly) {
printf("[SKIP] Autoschedulers do not support WebAssembly.\n");
return 0;
}
if (argc != 2) {
fprintf(stderr, "Usage: %s <autoscheduler-lib>\n", argv[0]);
return 1;
}
load_plugin(argv[1]);
double manual_time = run_test(false);
double auto_time = run_test(true);
std::cout << "======================\n"
<< "Manual time: " << manual_time << "ms\n"
<< "Auto time: " << auto_time << "ms\n"
<< "======================\n";
printf("Success!\n");
return 0;
}
|
