Memory Usage Comparison -- OO (Knockout Style)

gistfile1.txt

var ObjectContainer = [];
var HOW_MANY_OBJ = 100000;
var memoryHolder;

function Heavy (){
        var ret=function(){};
	ret.load = function(){
		var str = 
			'gabagesgabagesgabagesgabagesgabages';
		for(var i = 0; i < 9999; i++){
			str+=str;
		}

		this._loads = str;
	};

	ret.release = function(){
		this._loads = null;
	}
return ret;
}


function Light(){

}

var p = Light.prototype;
p.load = function(){
	var str = 
		'gabagesgabagesgabagesgabagesgabages';

	for(var i = 0; i < 9999; i++){
		str+=str;
	}

	this._loads = str;
};

p.release = function(){
	this._loads = null;
}

console.log('Creating Heavy objects...');
memoryHolder = console.memory.usedJSHeapSize;
console.log(console.memory);
console.time('Heavy');

for(var i = 0; i < HOW_MANY_OBJ; i++){
	ObjectContainer.push(Heavy());
}

console.timeEnd('Heavy');
console.log(console.memory);
console.log("Used JS Heap: " + (console.memory.usedJSHeapSize - memoryHolder));

console.log('Creating Light objects...');
memoryHolder = console.memory.usedJSHeapSize;
console.log(console.memory);
console.time('Light');

for(var i = 0; i < HOW_MANY_OBJ; i++){
	ObjectContainer.push(new Light);
}

console.timeEnd('Light');
console.log(console.memory);
console.log("Used JS Heap: " + (console.memory.usedJSHeapSize - memoryHolder));