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#include "Halide.h"
#include <stdio.h>
using namespace Halide;
void run_test_1() {
Param<int> offset;
ImageParam input(UInt(8), 2);
Var x("x"), y("y");
Func f("f");
f(x, y) = input(x, y) * 2;
Func g("g");
g(x, y) = f(x + offset, y) + f(x - offset, y);
// Provide estimates on the pipeline output
g.set_estimates({{0, 1000}, {0, 1000}});
// Provide estimates on the ImageParam
input.set_estimates({{0, 1000}, {0, 1000}});
// Auto-schedule the pipeline
Target target = get_jit_target_from_environment();
Pipeline p(g);
p.auto_schedule(target);
// Inspect the schedule
g.print_loop_nest();
}
void run_test_2() {
Param<int> offset;
offset.set_estimate(1);
ImageParam input(UInt(8), 2);
Var x("x"), y("y");
Func f("f");
f(x, y) = input(x, y) * 2;
Func g("g");
g(x, y) = f(x + offset, y) + f(x - offset, y);
// Provide estimates on the pipeline output
g.set_estimates({{0, 1000}, {0, 1000}});
// Provide estimates on the ImageParam
input.set_estimates({{0, 1000}, {0, 1000}});
// Auto-schedule the pipeline
Target target = get_jit_target_from_environment();
Pipeline p(g);
p.auto_schedule(target);
// Inspect the schedule
g.print_loop_nest();
}
void run_test_3() {
Param<int> offset;
offset.set_estimate(1);
ImageParam input(UInt(8), 2);
Var x("x"), y("y");
Func f("f");
f(x, y) = input(x, y) * 2;
Func output("output");
output(x, y) = f(x + offset, y) + f(x - offset, y);
// Provide estimates on the ImageParam
input.set_estimates({{0, 1000}, {0, 1000}});
// Provide estimates on the pipeline output,
output.set_estimates({{0, 1000}, {0, 1000}});
// Auto-schedule the pipeline
Target target = get_jit_target_from_environment();
Pipeline p(output);
p.auto_schedule(target);
// Inspect the schedule
output.print_loop_nest();
}
// Same as run_test_3, but with an output producing Tuples,
// thus we have multiple output buffers.
void run_test_4() {
Param<int> offset;
offset.set_estimate(1);
ImageParam input(UInt(8), 2);
Var x("x"), y("y");
Func f("f");
f(x, y) = input(x, y) * 2;
Func output("output");
output(x, y) = Tuple(f(x + offset, y), f(x - offset, y));
// Provide estimates on the ImageParam
input.set_estimates({{0, 1000}, {0, 1000}});
for (auto &output_buffer : output.output_buffers()) {
output_buffer.set_estimates({{0, 1000}, {0, 1000}});
}
// Auto-schedule the pipeline
Target target = get_jit_target_from_environment();
Pipeline p(output);
p.auto_schedule(target);
// Inspect the schedule
output.print_loop_nest();
}
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]);
std::cout << "Test 1:\n";
run_test_1();
std::cout << "Test 2:\n";
run_test_2();
std::cout << "Test 3:\n";
run_test_3();
std::cout << "Test 4:\n";
run_test_4();
printf("Success!\n");
return 0;
}
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