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

var suite  = new Benchmark.Suite;

suite
.add('function#A', function() {
    return Math.sqrt(Math.pow(point.x1 - point.x2, 2) + Math.pow(point.y1 - point.y2, 2));
})
.add('function#B', function() {
    var x = point.x1 - point.x2, y = point.y1 - point.y2;
    return Math.sqrt(x*x + y*y);
})
// 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 });