prototype vs closures

JavaScript performance comparison

Revision 32 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  function Person(name) {
  	this.name = name;
  }
  
  Person.prototype.get_name = function() {
  	return this.name;
  };
  
  Person.prototype.set_name = function(name) {
  	this.name = name;
  };
  
  Person.prototype.set_name1 = function(name) {
  	this.name = name;
  };
  
  Person.prototype.set_name2 = function(name) {
  	this.name = name;
  };
  
  Person.prototype.set_name3 = function(name) {
  	this.name = name;
  };
  
  Person.prototype.set_name4 = function(name) {
  	this.name = name;
  };
  
  Person.prototype.set_name5 = function(name) {
  	this.name = name;
  };
  
  var person = function(name) {
  	var p = {
  		name: name
  	};
  
  	return {
  		'get_name': function() {
  			return p.name;
  		},
  		'set_name': function(name) {
  			p.name = name;
  		},
  		'set_name1': function(name) {
  			p.name = name;
  		},
  		'set_name2': function(name) {
  			p.name = name;
  		},
  		'set_name3': function(name) {
  			p.name = name;
  		},
  		'set_name4': function(name) {
  			p.name = name;
  		},
  		'set_name5': function(name) {
  			p.name = name;
  		}
  	};
  };
  
  var _p = new Person('John');
  var _c = person('John');

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Prototype init & 10 reads
var p = new Person('John');

for (var i = 0; i < 10; ++i) {
    p.get_name();
}
pending…
Closure init & 10 reads
var c = person('John');

for (var i = 0; i < 10; ++i) {
    c.get_name();
}
pending…
Prototype init & 10 writes
var p = new Person('John');

for (var i = 0; i < 10; ++i) {
    p.set_name('Jane');
}
pending…
Closure init & 10 writes
var c = person('John');

for (var i = 0; i < 10; ++i) {
    c.set_name('Jane');
}
pending…
Prototype init & 20 reads
var p = new Person('John');

for (var i = 0; i < 20; ++i) {
    p.get_name();
}
pending…
Closure init & 20 reads
var c = person('John');

for (var i = 0; i < 20; ++i) {
    c.get_name();
}
pending…
Prototype init & 20 writes
var p = new Person('John');

for (var i = 0; i < 20; ++i) {
    p.set_name('Jane');
}
pending…
Closure init & 20 writes
var c = person('John');

for (var i = 0; i < 20; ++i) {
    c.set_name('Jane');
}
pending…
Prototype init & 30 reads
var p = new Person('John');

for (var i = 0; i < 30; ++i) {
    p.get_name();
}
pending…
Closure init & 30 reads
var c = person('John');

for (var i = 0; i < 30; ++i) {
    c.get_name();
}
pending…
Prototype init & 30 writes
var p = new Person('John');

for (var i = 0; i < 30; ++i) {
    p.set_name('Jane');
}
pending…
Closure init & 30 writes
var c = person('John');

for (var i = 0; i < 30; ++i) {
    c.set_name('Jane');
}
pending…
Prototype init & 100 reads
var p = new Person('John');

for (var i = 0; i < 100; ++i) {
    p.get_name();
}
pending…
Closure init & 100 reads
var c = person('John');

for (var i = 0; i < 100; ++i) {
    c.get_name();
}
pending…
Prototype init & 100 writes
var p = new Person('John');

for (var i = 0; i < 100; ++i) {
    p.set_name('Jane');
}
pending…
Closure init & 100 writes
var c = person('John');

for (var i = 0; i < 100; ++i) {
    c.set_name('Jane');
}
pending…

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Revisions

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