current/benchmark/dns/lookup-promises.js
'use strict';
const common = require('../common.js');
const { lookup } = require('dns').promises;
const bench = common.createBenchmark(main, {
name: ['127.0.0.1', '::1'],
all: ['true', 'false'],
n: [5e6]
});
function main({ name, n, all }) {
if (all === 'true') {
const opts = { all: true };
bench.start();
(async function cb() {
for (let i = 0; i < n; i++) {
await lookup(name, opts);
}
})();
bench.end(n);
} else {
bench.start();
(async function cb() {
for (let i = 0; i < n; i++) {
await lookup(name);
}
})();
bench.end(n);
}
}