1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
// Copyright 2018 The Chromium Authors
// 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(`--memlog=all`, `--memlog-sampling-rate=${samplingRate}`);
while (true) {
let browser;
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();
|
