www/benchmarks/arraybuffer.html (99 lines of code) (raw):
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<html>
<head>
<meta name="viewport" content="width=device-width,height=device-height,user-scalable=no,maximum-scale=1.0,initial-scale=1.0" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8"> <!-- ISO-8859-1 -->
<title>Cordova Mobile Spec</title>
<link rel="stylesheet" href="../master.css" type="text/css" media="screen" title="no title" charset="utf-8">
<script type="text/javascript" charset="utf-8" src="../cordova-incl.js"></script>
<script>
var exec = cordova.require('cordova/exec'),
deviceReady = false;
function appLog(message) {
if (window.console) {
console.log(message);
}
if (typeof message != 'string') {
message = JSON.stringify(message);
}
document.getElementById('app-logs').innerText += message + '\n';
}
function benchExec() {
var echo = cordova.echo,
startTime = +new Date,
callCount = 0,
durationMs = parseInt(document.getElementById('test-duration').value, 10) * 1000,
payloadSize = (+document.getElementById('payload-size').value),
payload = new ArrayBuffer(payloadSize);
var payloadView = new Uint8Array(payload);
for (var i=0; i<payloadView.length; i++) {
payloadView[i] = i;
}
function compareArrayBuffers(arr1, arr2) {
arr1 = new Uint8Array(arr1);
arr2 = new Uint8Array(arr2);
if (arr1.length != arr2.length)
return false;
for (var i = 0; i < arr1.length; ++i) {
if (arr1[i] != arr2[i]) {
return false;
}
}
return true;
}
function win(result) {
callCount++;
if (!compareArrayBuffers(result, payload)) {
appLog('Wrong echo data!');
return;
}
var elapsedMs = new Date - startTime;
if (elapsedMs >= durationMs) {
var callsPerSecond = callCount * 1000 / elapsedMs;
appLog('Calls per second: ' + callsPerSecond);
return;
}
echoMessage();
}
function fail() {
appLog('Call failed!');
}
function echoMessage() {
setTimeout(function() {
echo(win, fail, payload);
});
}
appLog('Started exec benchmark with payload length: ' + payloadView.length);
echoMessage();
setTimeout(function() {
if (!callCount) {
alert('Echo plugin did not respond');
}
}, 500);
}
document.addEventListener("deviceready", function() {
deviceReady = true;
appLog("Device = " + device.platform + " " + device.version);
}, false);
window.onload = function() {
window.setTimeout(function() {
if (!deviceReady) {
alert("Error: Cordova did not initialize. Demo will not run correctly.");
}
}, 1000);
};
</script>
</head>
<body id="stage" class="theme">
<h1>ArrayBuffer Benchmark</h1>
<fieldset>
<legend>Settings</legend>
<label>Test Duration: <select id="test-duration"><option>1 Second</option><option>5 Seconds</option></select><br></label>
<label>Payload size (in bytes) <input id="payload-size" value="1024" style="width:100px"></label><br>
<button onclick="benchExec()">Benchmark exec</button><br>
</fieldset>
<h2> </h2><a href="javascript:" class="backBtn" onclick="backHome();">Back</a><br>
<div>Results:</div>
<pre id="app-logs" style="white-space:pre-wrap;line-height:initial"></pre>
</body>
</html>