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Diffstat (limited to 'includes/js/dojox/string/tests/PerfFun.html')
| -rw-r--r-- | includes/js/dojox/string/tests/PerfFun.html | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/includes/js/dojox/string/tests/PerfFun.html b/includes/js/dojox/string/tests/PerfFun.html new file mode 100644 index 0000000..a1dd968 --- /dev/null +++ b/includes/js/dojox/string/tests/PerfFun.html @@ -0,0 +1,260 @@ +<!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> |