v8/test/js-perf-test/BigInt/to-boolean.js
Nico Hartmann 20795b18f0 [js-perf-test] Add perf test for BigInt's ToBoolean
This cl also adds a separate test suite for BigInts

Bug: v8:9213
Change-Id: I57271eed0f9c33a543fe15550964d55e3df3e963
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1596728
Commit-Queue: Nico Hartmann <nicohartmann@google.com>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Tamer Tas <tmrts@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61282}
2019-05-07 12:59:47 +00:00

45 lines
1.4 KiB
JavaScript

// Copyright 2019 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.
"use strict";
const ITERATIONS = 10000;
// This dummy ensures that the feedback for benchmark.run() in the Measure function
// from base.js is not monomorphic, thereby preventing the benchmarks below from being inlined.
// This ensures consistent behavior and comparable results.
new BenchmarkSuite('Prevent-Inline-Dummy', [1000], [
new Benchmark('Prevent-Inline-Dummy', true, false, 0, () => {})
]);
new BenchmarkSuite('BigInt-ToBoolean', [1000], [
new Benchmark('BigInt-ToBoolean', true, false, 0, TestToBoolean),
]);
new BenchmarkSuite('BigInt-BooleanConstructor', [1000], [
new Benchmark('BigInt-BooleanConstructor', true, false, 0, TestBooleanConstructor),
]);
function TestBooleanConstructor() {
let kl = true;
for (let i = 0; i < ITERATIONS; ++i) {
// Store to a variable to prevent elimination.
// Keep a depedency on the loop counter to prevent hoisting.
kl = Boolean(i % 2 == 0 ? 42n : 32n);
}
return kl;
}
function TestToBoolean() {
let kl = true;
for (let i = 0; i < ITERATIONS; ++i) {
// Store to a variable to prevent elimination.
// Keep a depedency on the loop counter to prevent hoisting.
kl = (i % 2 == 0 ? 42n : 32n) ? true : false;
}
return kl;
}