%PDF- <> %âãÏÓ endobj 2 0 obj <> endobj 3 0 obj <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 28 0 R 29 0 R] /MediaBox[ 0 0 595.5 842.25] /Contents 4 0 R/Group<>/Tabs/S>> endobj ºaâÚÎΞ-ÌE1ÍØÄ÷{òò2ÿ ÛÖ^ÔÀá TÎ{¦?§®¥kuµùÕ5sLOšuY>endobj 2 0 obj<>endobj 2 0 obj<>endobj 2 0 obj<>endobj 2 0 obj<> endobj 2 0 obj<>endobj 2 0 obj<>es 3 0 R>> endobj 2 0 obj<> ox[ 0.000000 0.000000 609.600000 935.600000]/Fi endobj 3 0 obj<> endobj 7 1 obj<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Subtype/Form>> stream
'use strict';
const common = require('../common.js');
// This benchmark uses `yes` to a create noisy child_processes with varying
// output message lengths, and tries to read 8GB of output
const os = require('os');
const child_process = require('child_process');
const messagesLength = [64, 256, 1024, 4096];
// Windows does not support that long arguments
if (os.platform() !== 'win32')
messagesLength.push(32768);
const bench = common.createBenchmark(main, {
len: messagesLength,
dur: [5]
});
function main({ dur, len }) {
bench.start();
const msg = `"${'.'.repeat(len)}"`;
const options = { 'stdio': ['ignore', 'pipe', 'ignore'] };
const child = child_process.spawn('yes', [msg], options);
let bytes = 0;
child.stdout.on('data', (msg) => {
bytes += msg.length;
});
setTimeout(() => {
if (process.platform === 'win32') {
// Sometimes there's a yes.exe process left hanging around on Windows...
child_process.execSync(`taskkill /f /t /pid ${child.pid}`);
} else {
child.kill();
}
const gbits = (bytes * 8) / (1024 * 1024 * 1024);
bench.end(gbits);
}, dur * 1000);
}