output.out

eq
[ { total_runtime: 368,
    total_step_runtime: 25,
    average_step_runtime: 0.00025 },
  { total_runtime: 477,
    total_step_runtime: 57,
    average_step_runtime: 0.00057,
    total_off_baseline: 106,
    total_step_off_baseline: 25,
    average_step_off_baseline: 0.00024999999999999995 } ]
reMatch
[ { total_runtime: 371,
    total_step_runtime: 32,
    average_step_runtime: 0.00032 },
  { total_runtime: 479,
    total_step_runtime: 101,
    average_step_runtime: 0.00101,
    total_off_baseline: 108,
    total_step_off_baseline: 69,
    average_step_off_baseline: 0.0006900000000000001 } ]

test.js

var timeit = require('timeit');
var times = 100000;

function eq(str, done) {
  if(str === str){
    i++;
  };
  done();
}

function reMatch(regex, str, done) {
  if(regex.test(str)) {
    i++;
  };
  done();
}

var regex = /abcdefghijklmnop/;
var str =  'abcdefghijklmnop';

var i = 0;
timeit.howlong(times, eq.bind(eq, str), function(err, data) {
  console.log('eq');
  console.log(data);
});

timeit.howlong(times, reMatch.bind(reMatch, regex, str), function(err, data) {
  console.log("reMatch");
  console.log(data);
});

console.log("done");