benchmark in nodejs

benchmark.js

const Benchmark = require('benchmark');

suite
.add('test1', function() {
  console.log('stuff');
})
.add('test2', function() {
  console.log('stuff');
})
.on('cycle', function(event) {
  console.log(String(event.target));
})
.on('complete', function() {
  console.log('Fastest is ' + this.filter('fastest').map('name'));
})
.run({ 'async': true });