Prototype vs Module pattern performance

JavaScript performance comparison

Revision 151 of this test case created

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 {
        foo: foo,
        bar: bar
      }
    }
   
    var FooFunction = function() {
      log('foo');
    };
    var BarFunction = function() {
      log('bar');
    };
   
    Klass3 = function() {
      return {
        foo: FooFunction,
        bar: BarFunction
      }
    };
   
    var Klass4 = (function() {
      function foo() {
        log('foo');
      }
   
      function bar() {
        log('bar');
      }
      return {
        foo: foo,
        bar: bar
   
      };
    }());
   
    (function() {
      var my = {
        foo: function() {
          log('foo');
        },
        bar: function() {
          log('bar');
        }
      };
      Klass5 = (function() {
        return {
          foo: my.foo,
          bar: my.bar
        }
      }());
    }());
   
    var Klass6 = (function() {
   
      var Klass6 = function() {
        var foo = function() {
          log('foo');
        }
        var bar = function() {
          log('bar');
        }
        return {
          foo: foo,
          bar: bar
        }
      }
      return Klass6;
    }());
};
</script>

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Testing in unknown unknown
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…
Module pattern and closures
var i = 1000,
  objs = [];
while (i--) {
  var o = Klass4;
  objs.push(Klass4);
  o.bar;
  o.foo;
}
pending…
Module pattern with closures and self called function
var i = 1000,
  objs = [];
while (i--) {
  var o = Klass5;
  objs.push(Klass5);
  o.bar;
  o.foo;
}
pending…
Module pattern with closure 2
var i = 1000,
  objs = [];
while (i--) {
  var o = Klass6();
  objs.push(Klass6());
  o.bar;
  o.foo;
}
pending…

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