Events vs Events2

JavaScript performance comparison

Revision 6 of this test case created

Preparation code

<script src='https://raw.github.com/documentcloud/underscore/master/underscore.js'></script>
<script src='https://raw.github.com/documentcloud/backbone/df74b030e96cbf0ff7dc19160105ba1aed3e6751/backbone.js'></script>
<script>var masterEvents = Backbone.Events;</script>
<script src='https://raw.github.com/paulmillr/backbone/events/backbone.js'></script>
<script>var caseyEvents = Backbone.Events;</script>
<script>
  Benchmark.prototype.setup = function() {
    master = _.extend({}, masterEvents);
    casey = _.extend({}, caseyEvents);
    
    numEvents = 3;
    numListeners = 100;
    
    _.times(numEvents, function(event) {
      _.times(numListeners, function() {
        master.on("event" + event, function(){});
        casey.on("event" + event, function(){});
      });
    });
  };
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
master
 
for (var i = 0; i < numEvents; i++) {
  master.trigger('event' + i, 1, 2, 3);
}
 pending…
casey
 
for (var i = 0; i < numEvents; i++) {
  casey.trigger('event' + i, 1, 2, 3);
}
 pending…

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