Prototype vs Module pattern performance

JavaScript performance comparison

Revision 36 of this test case created by lenzhang

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  Klass1 = function() {}
  Klass1.prototype.foo = function() {
    log('foo');
  }
  Klass1.prototype.bar = function() {
    log('bar');
  }
  
  Klass2 = function() {
    var foo = function() {
        log('foo');
        },
        bar = function() {
        log('bar');
        };
    return function() {
      return {
        foo: foo,
        bar: bar
      }
    }
  }()
  
  
  var FooFunction = function() {
      log('foo');
      };
  var BarFunction = function() {
      log('bar');
      };
  
  Klass3 = function() {
    return {
      foo: FooFunction,
      bar: BarFunction
    }
  }

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Prototypal
var i = 1000,
    objs = [];
while (i--) {
  var o = new Klass1()
  objs.push(new Klass1());
  o.bar;
  o.foo;
}
pending…
Module pattern
var i = 1000,
    objs = [];
while (i--) {
  var o = Klass2()
  objs.push(Klass2());
  o.bar;
  o.foo;
}
pending…
Module pattern with cached functions
var i = 1000,
    objs = [];
while (i--) {
  var o = Klass3()
  objs.push(Klass3());
  o.bar;
  o.foo;
}
pending…

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Revisions

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