benchmark.js

const fs = require('fs')
const Benchmark = require('benchmark')

const parseOriginal = require('./lib/parseOriginal')
const parseImproved = require('./lib/parse')

const data = fs.readFileSync(process.argv[2]).toString()

const suite = new Benchmark.Suite
suite
  .add('parseOriginal', () => parseOriginal(data))
  .add('parseImproved', () => parseImproved(data))
  .on('cycle', function(event) {
    console.log(String(event.target))
  })
  .on('complete', function() {
    console.log('Fastest is ' + this.filter('fastest').map('name'))
  })
  .run()