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nodejs/benchmark/dgram/offset-length.js
Ruben Bridgewater 1f85ea979c
tools: capitalize sentences
This adds the `capitalized-comments` eslint rule to verify that
actual sentences use capital letters as starting letters. It ignores
special words and all lines below 62 characters.

PR-URL: https://github.com/nodejs/node/pull/24808
Reviewed-By: Sam Ruby <rubys@intertwingly.net>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
2018-12-10 17:07:18 +01:00

50 lines
1.2 KiB
JavaScript

// Test UDP send/recv throughput with the "old" offset/length API
'use strict';
const common = require('../common.js');
const dgram = require('dgram');
const PORT = common.PORT;
// `num` is the number of send requests to queue up each time.
// Keep it reasonably high (>10) otherwise you're benchmarking the speed of
// event loop cycles more than anything else.
const bench = common.createBenchmark(main, {
len: [1, 64, 256, 1024],
num: [100],
type: ['send', 'recv'],
dur: [5]
});
function main({ dur, len, num, type }) {
const chunk = Buffer.allocUnsafe(len);
var sent = 0;
var received = 0;
const socket = dgram.createSocket('udp4');
function onsend() {
if (sent++ % num === 0) {
for (var i = 0; i < num; i++) {
socket.send(chunk, 0, chunk.length, PORT, '127.0.0.1', onsend);
}
}
}
socket.on('listening', function() {
bench.start();
onsend();
setTimeout(function() {
const bytes = (type === 'send' ? sent : received) * chunk.length;
const gbits = (bytes * 8) / (1024 * 1024 * 1024);
bench.end(gbits);
process.exit(0);
}, dur * 1000);
});
socket.on('message', function() {
received++;
});
socket.bind(PORT);
}