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<!--
Author: Anthony Gutierrez
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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>University of Michigan - BBench 2.0</title>
<script type="text/javascript" src="bbench.js"></script>
<script type="text/javascript">
var numTimesToExecute = getURLParams("iterations");
function closeWindow() {
window.open('','_self','');
window.close();
}
function averageWarm(siteTimes) {
var sum = 0;
if (numTimesToExecute == 1)
return siteTimes[0];
for (i = 0; i < numTimesToExecute - 1; ++i)
sum = eval(sum + siteTimes[i]);
return (sum / (numTimesToExecute - 1));
}
function stdDevWarm(siteTimes) {
var avg = averageWarm(siteTimes)
var tmpArray = [];
if (numTimesToExecute == 1)
return 0;
for (i = 0; i < numTimesToExecute - 1; ++i)
tmpArray[i] = Math.pow((siteTimes[i] - avg), 2);
avg = averageWarm(tmpArray);
return Math.sqrt(avg);
}
function geoMean(avgTimes) {
var prod = 1;
for (i = 0; i < numWebsites; ++i)
prod = eval(prod * avgTimes[i]);
return Math.pow(prod, (1/numWebsites));
}
</script>
</head>
<body>
<img src="mich_engin.png" width="35%"/>
<h2>University of Michigan BBench version 2.0</h2>
<h3>Results</h3>
<script type="text/javascript">
var bbSiteColdTimes = [];
var bbSiteTimes = [];
var bbSiteAvgRunTime = [];
var bbSiteStdDev = [];
var bbSiteCoeffVar = [];
var bbSiteNames = ["amazon",
"bbc",
"cnn",
"craigslist",
"ebay",
// "espn",
"google",
"msn",
"slashdot",
"twitter"];
// "youtube"];
var windowURL = new Object();
var windowURL2 = new Object();
windowURL.value = window.location.href;
windowURL2.value = window.location.href;
for (j = 0; j < numWebsites; ++j) {
for (i = 0; i < numTimesToExecute; ++i) {
var site_time = getAndRemoveURLParams(windowURL, bbSiteNames[j]) - 0;
bbSiteTimes[i] = site_time;
}
bbSiteColdTimes[j] = bbSiteTimes[i - 1];
bbSiteAvgRunTime[j] = averageWarm(bbSiteTimes);
bbSiteStdDev[j] = stdDevWarm(bbSiteTimes);
bbSiteCoeffVar[j] = (bbSiteStdDev[j] / bbSiteAvgRunTime[j]) * 100;
}
var bbSiteAvgGeoMean = geoMean(bbSiteAvgRunTime);
</script>
<table border="1">
<script type="text/javascript">
document.write("<tr align=\"right\"><td>Site Name</td><td>Cold Start Time</td><td>Avg Warm Page Rendering Time (ms)</td><td>Std Dev of Warm Runs</td><td>%Coeff Var of Warm Runs</td>");
for (i = 0; i < numWebsites; ++i) {
document.write("<tr align=\"right\">");
document.write("<td>" + bbSiteNames[i] + "</td>");
document.write("<td>" + bbSiteColdTimes[i] + "</td>");
document.write("<td>" + bbSiteAvgRunTime[i].toFixed(2) + "</td>");
document.write("<td>" + bbSiteStdDev[i].toFixed(2) + "</td>");
document.write("<td>" + bbSiteCoeffVar[i].toFixed(2) + "</td>");
document.write("</tr>");
}
</script>
</table>
<br />
<table border="1">
<script type="text/javascript">
document.write("<tr><td>Geometric Mean of Average Warm Runs</td><td>" + bbSiteAvgGeoMean.toFixed(2) + "</td></tr>");
console.log("metrics:" + "Mean = " + bbSiteAvgGeoMean.toFixed(2) + ":")
</script>
</table>
<h3>CSV version of the table:</h3>
<script type="text/javascript">
document.write("Site Name,Cold Start Time, Avg Warm Page Rendering Time (ms),Std Dev of Warm Runs,%Coeff Var of Warm Runs<br />");
for (i = 0; i < numWebsites; ++i) {
document.write(bbSiteNames[i] + ",");
document.write(bbSiteColdTimes[i] + ",");
document.write(bbSiteAvgRunTime[i].toFixed(2) + ",");
document.write(bbSiteStdDev[i].toFixed(2) + ",");
document.write(bbSiteCoeffVar[i].toFixed(2) + "<br />");
console.log("metrics:" + bbSiteNames[i] + "," + bbSiteColdTimes[i] + "," + bbSiteAvgRunTime[i].toFixed(2) + "," + bbSiteStdDev[i].toFixed(2) + "," + bbSiteCoeffVar[i].toFixed(2) + ":");
}
document.write("<h3>Individual Site Times:</h3>");
for (j = 0; j < numWebsites; ++j) {
for (i = 0; i < numTimesToExecute; ++i) {
var site_time = getAndRemoveURLParams(windowURL2, bbSiteNames[j]) - 0;
bbSiteTimes[i] = site_time;
document.write(bbSiteNames[j] + " load time: " + site_time + "<br />");
}
document.write("<br />");
}
setTimeout("window.location.href='http://localhost:3030/'", 1);
</script>
<p>
<b>Click the return button to go to the start page.</b>
</p>
<button onclick="window.location.href='index.html'">return</button>
</body>
</html>