route matcher bench

bench.js

const pathToRegexp = require('path-to-regexp')
const timeit = require('timeit')

const matcher = pathToRegexp('/a/b')
const matcherSimple = {
  '/a/b': true
}

function use_regexp(done) {
    matcher.exec('/a/b')
    done();
}
 
function use_obj(done) {
   matcherSimple['/a/b']
   done();
}

const iterations = 1000000

timeit.howlong(iterations, [use_regexp, use_obj], function(err, results) {
   console.log('Baseline',         results[0]);
   console.log('Regex speed',     results[1]);
   console.log('Obj speed', results[2]);
});

output.txt

Baseline {
  total_runtime: 1521,
  total_step_runtime: 121,
  average_step_runtime: 0.000121
}
Regex speed {
  total_runtime: 1575,
  total_step_runtime: 224,
  average_step_runtime: 0.000224,
  total_off_baseline: 54,
  total_step_off_baseline: 103,
  average_step_off_baseline: 0.000103
}
Obj speed {
  total_runtime: 1471,
  total_step_runtime: 128,
  average_step_runtime: 0.000128,
  total_off_baseline: -50,
  total_step_off_baseline: 7,
  average_step_off_baseline: 0.000006999999999999994
}