Revision cf8c8f22eb507aedeba5a44f8ee20bc63757dc57 authored by Steven Johnson on 07 December 2021, 18:14:38 UTC, committed by Steven Johnson on 07 December 2021, 20:30:24 UTC
1 parent 7c6e92c
vectorize_var_in_update.cpp
#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] 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]);
// This test is making sure that the auto-scheduler picks the appropriate
// tail strategy when splitting the var of an update definition.
// The default tail strategy for this case (i.e. RoundUp) will cause
// an out-of-bound error if there are accesses to inputs or outputs.
Buffer<int> input(50);
for (int i = 0; i < 50; i++) {
input(i) = i;
}
Func f("f"), g("g"), h("h"), in("in");
Var x("x"), y("y");
RDom r(0, 20, 0, 10);
in(x, y) = x + y;
in(x, y) += input(x) - input(y);
f(x, y) = x * y;
f(r.x, r.y) += in(r.x, r.y) + 3;
f(x, y) += in(r.x, r.y) + 3;
g(x, y) = x + y;
g(x, y) += f(r.x, r.y) + 3;
h(x, y) = x + y;
h(x, y) += g(r.x, r.y) + 3;
// Provide estimates on the pipeline output
h.set_estimates({{0, 50}, {0, 50}});
// Auto-schedule the pipeline
Target target = get_jit_target_from_environment();
Pipeline p(h);
p.auto_schedule(target);
// Inspect the schedule
h.print_loop_nest();
// Run the schedule
Buffer<int> out = p.realize({50, 50});
printf("Success!\n");
return 0;
}
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