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Test optionating #2

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Test optionating #2

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f8feccf
checking gcload in workers
deepak1556 Oct 26, 2013
c6cefc7
providing options to run tests user desires
deepak1556 Oct 26, 2013
fe26d4b
parsing url for test optionating
deepak1556 Oct 28, 2013
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13 changes: 13 additions & 0 deletions html/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -25,5 +25,18 @@ <h1>Web Latency Benchmark</h1>
The benchmark server is no longer running. You must restart it before running the test.
</div>

<div>
<h4>List of Available Tests</h4>
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I don't think this page needs a list of tests. I prefer not to have the list of tests in two places. I'll definitely forget to update one or the other.

<ul>
<li>1. Keydown latency</li>
<li>2. Scroll latency</li>
<li>3. Native reference</li>
<li>4. Baseline jank</li>>
<li>5. Javascript jank</li>
<li>6. Image loading jank</li>
<li>7. Worker GC Load</li>
</ul>
</div>


<script src="keep-server-alive.js"></script>
90 changes: 65 additions & 25 deletions html/latency-benchmark.js
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Expand Up @@ -72,6 +72,19 @@ var preventContextMenuAndSelection = function(e) {
return false;
}

var parseUrl = function(q) {
var exp = q.substr(q.indexOf("=") + 1, q.length);
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Instead of using substr/indexOf, you can use one regex to do it all: /(?:^|&)parameterName=([^&]+)/ will match parameterName anywhere in the query string and give you the value as the first group of the match.

return exp.split(exp.match(/\D/));
};

var genArray = function(range) {
var arr = new Array();
for(var i = 0; i < range; i++) {
arr[i] = i+1;
}

return arr;
}

var addEvents = function() {
document.addEventListener('keydown', preventContextMenuAndSelection);
Expand Down Expand Up @@ -142,12 +155,26 @@ var spinDone = true;
workerHandlers.spin = function(e) {
spinDone = true;
};
workerHandlers.gcLoad = function(e) {
return test.finishedMeasuring = true;
};

// We don't use getPrefixed here because we want to replace the unprefixed version with the prefixed one if it exists.
if (worker) {
worker.postMessage = worker.webkitPostMessage || worker.mozPostMessage || worker.oPostMessage ||worker.msPostMessage || worker.postMessage;
}

var workerGCLoad = function() {
if (!worker)
return fail(this);
var test = this;
try {
worker.postMessage({test: 'gcLoad'});
} catch(e) {
fail(this);
}
}

var checkTransferables = function() {
if (!worker || !window.ArrayBuffer)
return fail(this);
Expand Down Expand Up @@ -427,6 +454,9 @@ var tests = [
{ name: 'Image loading jank',
info: 'Tests responsiveness during image loading.',
test: testJank, blocker: loadGiantImage, report: ['css', 'js', 'scroll'] },
{ name: 'Worker GC Load',
info: 'Tests if worker GC affects main page.',
test: testJank, blocker: workerGCLoad, report: ['js', 'scroll'] },
// These tests work, but are disabled for now to focus on the latency test.
// { name: 'requestAnimationFrame', test: checkName, toCheck: 'requestAnimationFrame' },
// { name: 'Canvas 2D', test: checkName, toCheck: 'HTMLCanvasElement' },
Expand Down Expand Up @@ -474,29 +504,39 @@ var tests = [
// { name: 'Worker GC doesn\'t affect main page', test: testJank, blocker: workerGCLoad },
];

for (var i = 0; i < tests.length; i++) {
var test = tests[i];
var row = document.createElement('tr');
var nameCell = document.createElement('td');
var resultCell = document.createElement('td');
var infoCell = document.createElement('td');
nameCell.className = 'testName';
nameCell.textContent = test.name;
var description = document.createElement('div');
description.className = 'testDescription';
nameCell.appendChild(description);
if (test.info) {
description.textContent = test.info;
if(window.location.search) {
var testIndexes = parseUrl(window.location.search);
}

var testList = testIndexes || genArr(tests.length);

for (var i = 0; i < testList.length; i++) {
if(testList[i] <= tests.length) {
var test = tests[testList[i]-1];
var row = document.createElement('tr');
var nameCell = document.createElement('td');
var resultCell = document.createElement('td');
var infoCell = document.createElement('td');
nameCell.className = 'testName';
nameCell.textContent = test.name;
var description = document.createElement('div');
description.className = 'testDescription';
nameCell.appendChild(description);
if (test.info) {
description.textContent = test.info;
}
resultCell.className = 'testResult';
test.resultCell = document.createElement('div');
resultCell.appendChild(test.resultCell);
infoCell.className = 'testInfo';
test.infoCell = infoCell;
row.appendChild(nameCell);
row.appendChild(resultCell);
row.appendChild(infoCell);
table.appendChild(row);
} else {
document.getElementById("progressMessage").textContent = "Error: test index "+ testList[i] +" out of range.";
}
resultCell.className = 'testResult';
test.resultCell = document.createElement('div');
resultCell.appendChild(test.resultCell);
infoCell.className = 'testInfo';
test.infoCell = infoCell;
row.appendChild(nameCell);
row.appendChild(resultCell);
row.appendChild(infoCell);
table.appendChild(row);
}

var nextTestIndex = 0;
Expand All @@ -509,13 +549,13 @@ var runNextTest = function(previousTest) {
return;
}
previousTest.finished = true;
if (previousTest != tests[nextTestIndex - 1]) {
if (previousTest != tests[testList[nextTestIndex - 1]-1]) {
previousTest.infoCell.textContent = "Error: test sent results out of order";
return;
}
}
var testIndex = nextTestIndex++;
if (testIndex >= tests.length) {
if (testIndex >= testList.length) {
// All tests successfully completed. Report the overall score as a number out of 10.
var scoreRatio = totalScore / totalPossibleScore;
var score = document.getElementById('score');
Expand All @@ -528,7 +568,7 @@ var runNextTest = function(previousTest) {
// End the test run.
return;
}
var test = tests[testIndex];
var test = tests[testList[testIndex]-1];
test.infoCell.textContent = '';
test.resultCell.textContent = '⋯';
setTimeout(function() { checkTimeout(test); }, 50000);
Expand Down
24 changes: 24 additions & 0 deletions html/worker.js
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Expand Up @@ -25,6 +25,30 @@ self.onmessage = function(e) {
var start = getMs();
while (getMs() - e.data.lengthMs < start);
self.postMessage(e.data);
} else if (e.data.test == 'gcLoad') {
var createObjects = function(n) {
var a = new Array(1000*n);
var count = 0;
for(var i=0; i<g.length; i++) {
g[i] = {count: count++};
}

var generateGarbage = function() {
var i;
for(i=0; i<g.length; i++) {
g[i] = {count: g[i].count * 2};
}
};

return generateGarbage;
};

var gen = createObjects(20);
var start = getMs();
while (getMs() - start < 1000) {
gen();
}
self.postMessage(e.data);
} else {
console.error('unknown worker message: ' + e.data.test);
}
Expand Down