v8/test/js-perf-test/SuperIC/megamorphic-mixin-getter.js
Marja Hölttä 925effd045 [super property speed] Invert benchmark graphs
The goal is to have one graph per test case, and inside the graph,
4 different lines:
- baseline
- baseline noopt
- super-ic
- super-ic noopt

Bug: v8:9237
Change-Id: I511b5555487a3d96698a3fb648abf76a13f76858
No-Try: True
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2384770
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69618}
2020-08-31 09:24:46 +00:00

44 lines
895 B
JavaScript

// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
const DETERMINISTIC_RUNS = 10000;
new BenchmarkSuite(BENCHMARK_NAME, [1000], [
new Benchmark(BENCHMARK_NAME, false, false, DETERMINISTIC_RUNS,
runBenchmark)
]);
function createSubclass() {
class A {
get super_prop() {
return 10;
}
};
class B extends A {
test() {
return super.super_prop;
}
};
return B;
}
const NO_CLASSES = 10;
let objects = [];
for (let i = 0; i < NO_CLASSES; ++i) {
const klass = createSubclass();
objects.push(new klass());
}
let ix = 0;
const EXPECTED_VALUE = 10;
function runBenchmark() {
const r = objects[ix].test();
if (r != EXPECTED_VALUE) {
throw new Error("Test error");
}
if (++ix == objects.length) {
ix = 0;
}
}