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<html>
<head>
<title>WMS Capabilities Speed Test</title>
<script src="../../lib/OpenLayers.js"></script>
<script src="wmscaps.js"></script>
<script>
var data;
var stats = [];
function parseCaps(id, done) {
var format = new OpenLayers.Format.WMSCapabilities();
data = format.read(caps);
done(id);
}
function run(func, x) {
document.getElementById("out").innerHTML = "running ...";
var starts = {};
var elapsed = 0;
completed = 0;
function callback(id) {
elapsed += new Date() - starts[id];
++completed;
if (completed === x) {
report(x, elapsed);
}
}
var runner;
for (var i=0; i<x; i++) {
runner = createRunner(i, starts, func, callback);
window.setTimeout(runner, 0);
}
}
function createRunner(id, starts, func, done) {
return function() {
starts[id] = new Date();
func(id, done);
}
}
function report(x, elapsed) {
document.getElementById("out").innerHTML = elapsed + " ms for " + x + " runs (" + elapsed/x + " ms average)";
}
</script>
</head>
<body>
<a onclick="javascript:run(parseCaps, 5); return false" href="#">Run</a>
<div id="out"></div>
</body>
</html>
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