Created
November 2, 2011 01:54
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Memory Usage Comparison - OO
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var ObjectContainer = []; | |
var HOW_MANY_OBJ = 100000; | |
var memoryHolder; | |
function Heavy (){ | |
this.load = function(){ | |
var str = | |
'gabagesgabagesgabagesgabagesgabages'; | |
for(var i = 0; i < 9999; i++){ | |
str+=str; | |
} | |
this._loads = str; | |
}; | |
this.release = function(){ | |
this._loads = null; | |
} | |
} | |
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(new 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)); |
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