blob: 602e152756e4f6ee363c4ece4e4e84cf11c397ec [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// To benchmark a specific version of Chrome set the CHROME_PATH environment
// variable, e.g.:
// $ CHROME_PATH=~/chromium/src/out/Release/chrome node benchmark-octane.js
const puppeteer = require('puppeteer');
async function runOctane(samplingRate) {
const args = ['--enable-devtools-experiments'];
if (samplingRate)
args.push(`--sampling-heap-profiler=${samplingRate}`);
while (true) {
let brower;
try {
browser = await puppeteer.launch({
executablePath: process.env.CHROME_PATH, args, headless: true});
const page = await browser.newPage();
await page.goto('https://chromium.github.io/octane/');
await page.waitForSelector('#run-octane'); // Just in case.
await page.click('#run-octane');
const scoreDiv = await page.waitForSelector('#main-banner:only-child',
{timeout: 120000});
const scoreText = await page.evaluate(e => e.innerText, scoreDiv);
const match = /Score:\s*(\d+)/.exec(scoreText);
if (match.length < 2)
continue;
return parseInt(match[1]);
} finally {
if (browser)
await browser.close();
}
}
}
async function makeRuns(rates) {
const scores = [];
for (const rate of rates)
scores.push(await runOctane(rate));
console.log(scores.join('\t'));
}
async function main() {
console.log(`Using ${process.env.CHROME_PATH || puppeteer.executablePath()}`);
const rates = [0];
for (let rate = 8; rate <= 2048; rate *= 2)
rates.push(rate);
console.log('Rates [KB]:');
console.log(rates.join('\t'));
console.log('='.repeat(rates.length * 8));
for (let i = 0; i < 100; ++i)
await makeRuns(rates);
}
main();