v8/test/js-perf-test/BigInt/to-boolean.js
Nico Hartmann cff862c036 [js-perf-tests] Adds performance tests for BigInt subtraction
BigInt performance benchmarks are restructured in JSTest1.json
in such a way that it is easier to run meaningful subsets of
BigInt test cases.

Bug: v8:9213
Change-Id: Ibf94bfb0f14cf8afa890927d97f920659e8b28d0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1872390
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64468}
2019-10-22 13:32:09 +00:00

63 lines
1.8 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 = 100000;
// 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', [10000], [
new Benchmark('Prevent-Inline-Dummy', true, false, 0, () => {})
]);
new BenchmarkSuite('ToBoolean', [10000], [
new Benchmark('ToBoolean', true, false, 0, TestToBoolean),
]);
new BenchmarkSuite('BooleanConstructor', [10000], [
new Benchmark('BooleanConstructor', true, false, 0, TestBooleanConstructor),
]);
new BenchmarkSuite('NewBooleanConstructor', [10000], [
new Benchmark('NewBooleanConstructor', true, false, 0, TestNewBooleanConstructor),
]);
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 TestNewBooleanConstructor() {
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 = new 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;
}