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authorGravatar mensonge2008-11-13 09:49:11 +0000
committerGravatar mensonge2008-11-13 09:49:11 +0000
commite44a7e37b6c7b5961adaffc62b9042b8d442938e (patch)
tree95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/string/tests/PerfFun.html
parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
downloadscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz
scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.zip
New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
+ "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+ <head>
+ <title>Perf Tests</title>
+ <script type="text/javascript" src="../../../dojo/dojo.js" djConfig="isDebug:true"></script>
+ <script type="text/javascript" src="lipsum.js"></script>
+ <script type="text/javascript">
+ dojo.addOnLoad(function(){
+ dojo.byId("run").disabled="";
+ dojo.connect(dojo.byId("run"),
+ "onclick",
+ function(evt) {
+ setTimeout(function() {
+ var words = parseInt(dojo.byId("numWords").value) || 10;
+ var iters = parseInt(dojo.byId("numIters").value) || 1000;
+ buildAndRunSet(words, iters);
+ }, 0);
+ });
+ });
+
+ function element(tag, textOrChild) {
+ var e = document.createElement(tag);
+ if(dojo.isArray(textOrChild)) dojo.forEach(textOrChild, function(c) { e.appendChild(c); });
+ if(dojo.isString(textOrChild)) e.appendChild(document.createTextNode(textOrChild));
+ else e.appendChild(textOrChild);
+ return e;
+ }
+
+ function log(t) {
+ dojo.byId("mess").innerHTML = t;
+ }
+
+ function reportRun(results){
+ var runs = results.runs
+ var report = element("dl",
+ element("dt",
+ "Run with " + results.words + " words, " +
+ results.iterations + " iterations and overhead of " +
+ results.overhead));
+
+ runs.sort(function(a,b) { return a.time - b.time; });
+ dojo.forEach(runs, function(r) {
+ report.appendChild(element("dd", r.time + " - " + r.name));
+ });
+
+ dojo.body().appendChild(report);
+ }
+
+ function runTest(test, iterations, expected) {
+ var i;
+ if(expected != test()) throw new Error("Test failed expecting " + expected + ", got " + test());
+ var start = new Date().getTime(), end;
+ for(i=0; i < iterations; i++){
+ test();
+ }
+ end = new Date().getTime();
+ return end-start;
+ }
+
+ function runSet(set, iterations){
+
+ var tests = set.tests.concat(); //copy tests
+ var resultSet = {};
+ resultSet.words = set.words.length;
+ resultSet.overhead = runTest(function(){}, iterations);
+ resultSet.iterations = iterations;
+ var runs = [];
+
+ function _run() {
+ var t = tests.pop();
+ try {
+ log("Running " + t.name);
+ if(t) runs.push({ name: t.name, time: runTest(t.test, iterations, set.expected)});
+ } catch(e) {
+ console.error("Error running " + t.name);
+ console.error(e);
+ }
+ if(tests.length > 0) {
+ setTimeout(_run, 0);
+ }
+ else {
+ log("Done!");
+ resultSet.runs = runs;
+ reportRun(resultSet);
+ }
+ }
+ setTimeout(_run, 0);
+ }
+
+ function buildTestSet(numWords) {
+ var words = [], i, wordsInLipsum = lipsum.length;
+ for(i = numWords; i > 0; i-=wordsInLipsum) {
+ if(i >= wordsInLipsum) { words = words.concat(lipsum); }
+ else { words = words.concat(lipsum.slice(-i)); }
+ }
+ if(words.length != numWords) throw new Error("wrong number of words, got " + words.length + ", expected " + numWords);
+
+ var expected = words.join("");
+
+ //console.log(words);
+
+ return {
+ tests: [
+ {
+ name: "dojoForEach",
+ test: function() {
+ var s = "";
+ dojo.forEach(words, function(w) { s+=w; });
+ return s;
+ }
+ },
+ {
+ name: "nativeForEach",
+ test: function() {
+ var s = "";
+ words.forEach(function(w) { s += w; });
+ return s;
+ }
+ },
+ {
+ name: "forLoop",
+ test: function() {
+ var s="",w=words; l=w.length;
+ for(var i = 0; i < l; i++) {
+ s += w[i];
+ }
+ return s;
+ }
+ },
+ {
+ name: "forLoopCallingInlineFunction",
+ test: function() {
+ var s="",w=words; l=w.length;
+ function fn(w) { s += w; };
+ for(var i = 0; i < l; i++) {
+ fn(w[i]);
+ }
+ return s;
+ }
+ },
+ {
+ name: "forLoopCallingExternalFunction",
+ test: function() {
+ g_s="",w=words; l=w.length;
+ for(var i = 0; i < l; i++) {
+ externalAppend(w[i]);
+ }
+ return g_s;
+ }
+ },
+ {
+ name: "forLoopWithInCheck",
+ test: function() {
+ var s="",w=words; l=w.length;
+ for(var i = 0; i < l; i++) {
+ if(i in w) s += w[i];
+ }
+ return s;
+ }
+ },
+ {
+ name: "emptyFor",
+ test: function() {
+ var w = words; l = w.length;
+ for(var i = 0; i < l; i++) empty(w[i]);
+ return expected;
+ }
+ },
+ {
+ name: "emptyForEach",
+ test: function() {
+ dojo.forEach(words, empty);
+ return expected;
+ }
+ } ,
+ {
+ name: "identFor",
+ test: function() {
+ var w = words; l = w.length;
+ for(var i = 0; i < l; i++) ident(w[i]);
+ return expected;
+ }
+ },
+ {
+ name: "identForEach",
+ test: function() {
+ dojo.forEach(words, ident);
+ return expected;
+ }
+ },
+ {
+ name: "addUsingFor",
+ test: function() {
+ var x=0;
+ for(var i=0;i<1000;i++){x=x+a[i];}
+ return expected; // fake
+ }
+ },
+ {
+ name: "addUsingForEach",
+ test: function() {
+ var x=0;
+ dojo.forEach(a, function(v,i){x=x+a[i];});
+ return expected; // fake
+ }
+ }
+ ],
+ words: words,
+ expected: expected
+ };
+ }
+
+ function buildAndRunSet(words, times) {
+ runSet(buildTestSet(words), times);
+ }
+
+ function ident(w) { return w; }
+ function empty() { }
+
+ var g_s = "";
+ function externalAppend(w){ g_s += w; }
+
+ var a = new Array(1000);
+ for(var i=0; i<1000;i++){a[i]=i;}
+
+ </script>
+ <style type="text/css">
+ html {
+ font-family: Lucida Grande, Tahoma;
+ }
+ div { margin-bottom: 1em; }
+ #results {
+ border: 1px solid #999;
+ border-collapse: collapse;
+ }
+ #results caption {
+ font-size: medium;
+ font-weight: bold;
+ }
+ #results td, #results th {
+ text-align: right;
+ width: 10em;
+ font-size: small;
+ white-space: nowrap;
+ }
+ #wordsCol { background: yellow; }
+ td.max { color: red; font-weight: bold; }
+ td.min { color: green; font-weight: bold; }
+ </style>
+ </head>
+ <body>
+ <table>
+ <tr><td><label for="numWords">Words</label></td><td><input type="text" id="numWords" value="100"/></td></tr>
+ <tr><td><label for="numIters">Iterations</label></td><td><input type="text" id="numIters" value="1000"/></td></tr>
+ <tr><td></td><td><button id="run" disabled>Run Tests!</button></td></tr>
+ </table>
+ <div id="mess"></div>
+ </body>
+</html>
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