if (typeof(require) !== 'undefined') {
    var Benchmark = require('benchmark');
}

var suite  = new Benchmark.Suite;

suite
.add('function#A', function() {
    // Version A
})
.add('function#B', function() {
    // Version B
})
// add listeners
.on('start', function() {
    console.log('Started');
})
.on('cycle', function(event) {
    console.log(String(event.target));
})
.on('complete', function() {
  console.log('Fastest is ' + this.filter('fastest').pluck('name'));
})
// run async
.run({ 'async': true });