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diff --git a/webapps/qooxdoo-0.6.5-sdk/frontend/application/sample/source/html/performance/LocalObject_4.html b/webapps/qooxdoo-0.6.5-sdk/frontend/application/sample/source/html/performance/LocalObject_4.html new file mode 100644 index 0000000000..0cd346a605 --- /dev/null +++ b/webapps/qooxdoo-0.6.5-sdk/frontend/application/sample/source/html/performance/LocalObject_4.html @@ -0,0 +1,53 @@ +<html> +<head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> + <title>qooxdoo » Demo » Sample</title> + <link type="text/css" rel="stylesheet" href="../../css/layout.css"/> + <!--[if IE]> + <link type="text/css" rel="stylesheet" href="../../css/layout_ie.css"/> + <![endif]--> + <script type="text/javascript" src="../../script/sample.js"></script> +</head> +<body> + <script type="text/javascript" src="../../script/layout.js"></script> + + <div id="demoDescription"> + <p>JS Object Storage Performance</p> + + <h1>Test Description</h1> + <p>Precreate 50.000 objects (locally stored). After this create 10.000 new (not stored) objects inside a loop.</p> + <p>The "store" variable will be resetted after the first loop with "null".</p> + + <h1>Result</h1> + <p>The additional cleanup (overwrite with null) of the global storage optimizes performance after the first loop. First loop is done after ~1150ms. The following loop needs ~350ms. Quite good. The same value as in the first example, where the data have never exist.</p> + <p>Interesting because theoratically the function implemenetation of "test" is inside the scope of "store".</p> + </div> + + <script type="text/javascript"> + qx.core.Init.getInstance().defineMain(function() + { + var store = []; + + for (var i=0; i<50000; i++) { + store.push({}); + }; + + function test() + { + var _s = (new Date).valueOf(); + + for (var i=0; i<10000; i++) { + new Object() + }; + + window.status = "time: " + (new Date).valueOf() + " | measured: " + ((new Date).valueOf() - _s) + "ms"; + window.setTimeout(test, 1000); + } + + test(); + + store = null; + }); + </script> +</body> +</html> |