swat/apps/qooxdoo-examples/performance/ObjectLevel_1.html


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92

<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>qooxdoo &raquo; Demo</title>
  <link type="text/css" rel="stylesheet" href="../../resource/css/layout.css"/>
  <!--[if IE]>
  <link type="text/css" rel="stylesheet" href="../../resource/css/layout_ie.css"/>
  <![endif]-->
  <script type="text/javascript" src="../../script/qx.js"></script>
</head>
<body>
  <script type="text/javascript" src="../../script/layout.js"></script>

  <div id="demoDescription">
    <p>Testing the influence of inheritance to object creation performance.</p>
    <p>Result: Each inheritance level increases the negative effect.</p>
  </div>

  <script type="text/javascript">
  qx.core.Init.getInstance().defineMain(function()
  {
    function l1() {
      this.store = true;
    }

    function l2() {
      l1.call(this);
    }
    l2.prototype = new l1;

    function l3() {
      l2.call(this);
    }
    l3.prototype = new l2;

    function l4() {
      l3.call(this);
    }
    l4.prototype = new l3;

    function l5() {
      l4.call(this);
    }
    l5.prototype = new l4;

    function l6() {
      l5.call(this);
    }
    l6.prototype = new l5;


    function t1(vLoops) {
      for (var i=0; i<vLoops; i++) {
        new l1;
      }
    }

    function t2(vLoops) {
      for (var i=0; i<vLoops; i++) {
        new l2;
      }
    }

    function t3(vLoops) {
      for (var i=0; i<vLoops; i++) {
        new l3;
      }
    }

    function t4(vLoops) {
      for (var i=0; i<vLoops; i++) {
        new l4;
      }
    }

    function t5(vLoops) {
      for (var i=0; i<vLoops; i++) {
        new l5;
      }
    }

    function t6(vLoops) {
      for (var i=0; i<vLoops; i++) {
        new l6;
      }
    }

    new qx.dev.TimeTracker(t1, t2, t3, t4, t5, t6);
  });
  </script>
</body>
</html>