array of objects vs array of numbers

JavaScript performance comparison

Revision 2 of this test case created by Timo

Preparation code

`` <script>  Benchmark.prototype.setup = function() {    var point = function(x,y)    {     this.X=x;     this.Y=y;    }    var point_array=[new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20)];    var point_array2=new Array(10);    var point_array3=[new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20),new point(10,20)];        var x_array=[10,10,10,10,10,10,10,10,10,10];    var y_array=[20,20,20,20,20,20,20,20,20,20];    var x_array2=new Array(10);    var y_array2=new Array(10);    var x_array3=[10,10,10,10,10,10,10,10,10,10];    var y_array3=[20,20,20,20,20,20,20,20,20,20];        var len = x_array.length;    var temp=0;  };</script>``

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Testing in unknown unknown
Test Ops/sec
RW point array
``for(var i = 0; i<len;i++){  point_array2[i] = new point(point_array[i].X+1, point_array[i].Y+1);}``
pending…
RW xy array
``for(var i = 0; i<len;i++){  x_array2[i] = x_array[i]+1;  y_array2[i] = y_array[i]+1;}``
pending…
RW refilled point array
``for(var i = 0; i<len;i++){  point_array3[i].X = point_array[i].X+1  point_array3[i].Y = point_array[i].Y+1;}``
pending…
RW prefilled xy array
``for(var i = 0; i<len;i++){  x_array3[i] = x_array[i]+1;  y_array3[i] = y_array[i]+1;}``
pending…

Revisions

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