try-catch, domain.run

bench.js

'use strict';

var domain = require('domain');
var EventEmitter = require('events').EventEmitter;
var Bench = require('async-bench');

console.log();

Bench()
  .compare(tryCatch_)
  .compare(domain_)
  .times([100, 1000, 10000, 1000000])
  .end();

function tryCatch_(cb) {
  try {
    throw new Error('test');
  } catch (e) {}
  cb();
}

function domain_(cb) {
  var d = domain.create();
  d.once('error', cb);
  d.run(function () {
    throw new Error('test');
  });
}

  100 times
   › tryCatch_: 2.68 ms
   › domain_: 7.97 ms

  1000 times
   › tryCatch_: 7 ms
   › domain_: 27 ms

  10000 times
   › tryCatch_: 52 ms
   › domain_: 143 ms

  1000000 times
   › tryCatch_: 4.51 s
   › domain_: 13 s