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matrix_benchmark.html
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<!DOCTYPE html>
<html>
<head>
<title>Matrix Benchmark</title>
<!-- Common Utilities -->
<script type="text/javascript" src="sprintf.js"></script>
<!-- Graphing Utilities -->
<link type="text/css" rel="stylesheet" href="flotr/flotr.css"/>
<script type="text/javascript" src="flotr/lib/prototype.js"></script>
<script type="text/javascript" src="flotr/lib/canvas2image.js"></script>
<script type="text/javascript" src="flotr/lib/canvastext.js"></script>
<script type="text/javascript" src="flotr/flotr.js"></script>
<!-- Table Utilities -->
<link type="text/css" rel="stylesheet" href="table/table.css"/>
<script type="text/javascript" src="table/fastinit.js"></script>
<script type="text/javascript" src="table/tablesort.js"></script>
<script type="text/javascript" src="js/test-helper.js"></script>
<!-- Benchmarking utilities -->
<script type="text/javascript">
testData = {};
testSets = [];
testSetIndex = 0;
function debuggerLog(obj) {
if (window.console && window.console.log) {
window.console.log(obj);
}
}
function log(html) {
document.getElementById('logDiv').innerHTML += html + '<br/><br/>'
}
function logTitle(title) {
document.getElementById('logDiv').innerHTML +=
'=============================================<br/>' +
'<b>' + title + '</b><br/>' +
'=============================================' + '<br/><br/>'
}
function preTest(library, f, testInfo) {
// Repeats each benchmark multiple times to smooth out anomalies
// Also tracks min and max times
if(!f) {
return;
}
var internalRunCount = 5;
testInfo.iframe.contentWindow.TestHelper.resetPseudoRandom();
var data = f(internalRunCount, 1, 1000);
return data.result;
}
// Adds a test
function testSet(name, tests) {
testData[name] = {};
testSets.push({name: name, tests: tests});
}
function runTestSet(name, tests) {
setTimeout(function() {
logTitle(name);
var results = [];
var baseResult = null;
for(var i = 0; i < tests.length; ++i) {
var test = tests[i];
var result = preTest(test.library, test.test, test.testInfo);
results.push(result);
if (!baseResult && result) {
baseResult = result;
}
var library = test.library;
var data = TestHelper.test(library, test.test, testData[name]);
testData[name][library] = data;
if (data.avg === null) {
log('<i>' + library + ' Unsupported</i>');
} else {
log('<i>' + library + '</i> - Avg: <b>' + data.avg + ' iterations per second</b>, Min: ' + data.min + ' iterations per second, Max: ' + data.max + ' iterations per second');
}
}
// Compare the results to make sure we are testing the same thing
for (var i = 0; i < results.length; ++i) {
if (results[i] && !Compare(baseResult, results[i])) {
debuggerLog(name);
debuggerLog(tests[i].library);
debuggerLog(baseResult);
debuggerLog(results[i]);
log('<strong>' + tests[i].library + ': results do NOT match!!!</strong>');
testData[name][tests[i].library].bad = true;
}
}
plotBenchmarks();
updateTableData();
setTimeout(function() {
runNextTest();
}, 100);
}, 1);
}
function runNextTest() {
if (testSetIndex < testSets.length) {
var set = testSets[testSetIndex++];
runTestSet(set.name, set.tests);
}
}
var kEpsilon = 0.001;
function Compare(a, b, pre) {
if (b.m11) {
b = [
b.m11, b.m12, b.m13, b.m14,
b.m21, b.m22, b.m23, b.m24,
b.m31, b.m32, b.m33, b.m34,
b.m41, b.m42, b.m43, b.m44
];
} else if (b.elements) {
b = b.elements;
}
return CompareInner(a, b, '');
function CompareInner(a, b, pre) {
// Check if array.
if (typeof(a) === 'number') {
if (typeof(b) !== 'number') {
return false;
}
var diff =Math.abs(a - b);
if (diff > kEpsilon) {
log('<strong>Mismatch: ' + pre + ' ' + a + ' != ' + b + ' diff = ' + diff + '</strong>');
return false;
}
} else if (a.length) {
if (a.length !== b.length) return false;
for (var i = 0; i < a.length; ++i) {
if (!Compare(a[i], b[i], pre + '[' + i.toString() + ']')) return false
}
} else for (var key in a) {
if (!Compare(a[key], b[key], pre + '[' + key + ']')) return false;
}
return true;
}
}
</script>
<style type="text/css">
body {
font: 0.8em Verdana,sans-serif;
}
strong {
color: red;
}
iframe {
width: 1px;
height: 1px;
}
</style>
</head>
<body>
<p>
This page benchmarks the performance of several matrix libraries intended for use with WebGL:<br>
<a href="https://github.com/toji/gl-matrix">glMatrix</a> (v1.2, 2011-12-13),
<a href="http://code.google.com/p/webgl-mjs/">mjs</a> (rev 16, 2010-12-15),
CanvasMatrix,
<a href="http://code.google.com/p/ewgl-matrices/">EWGL_math</a> (rev 32, 2011-03-15),<br>
and the math utilities in Google's <a href="http://closure-library.googlecode.com/">Closure</a> (svn rev: 1364, 2011-11-3)
and <a href="https://github.com/greggman/tdl">tdl</a> (commit: 59d484f, 2011-06-03).<br/>
Benchmarks for each library are run in an iframe. Results measure millions of iterations per second of the target operation.<br/>
</p>
<div id="graph" style="width:900px;height:400px;margin:10px"></div>
<div id="tablediv" style="font-size:85%;width:800px;margin:10px">
<table id='data-table' class='sortable'>
<thead id="data-table-head">
<tr></tr>
</thead>
<tbody id="data-table-body"></tbody>
</table>
</div>
<p><em>
Adapted by Stephen Bannasch from the benchmarks Brandon Jones created in his <a href=" https://glmatrix.googlecode.com/hg/">glmatrix library</a>.<br/>
Additional improvements by Gregg Tavares.<br/>
JavaScript Plotting library: <a href=" http://solutoire.com/flotr/">Flotr</a>;
<a href="http://tetlaw.id.au/view/blog/table-sorting-with-prototype/">Sortable Table</a> by Andrew Tetlaw.<br/>
The source code for these benchmarks can be found here on <a href="https://github.com/stepheneb/webgl-matrix-benchmarks">github</a>. Pull requests quite welcome!<br/>
</em></p>
<br/><br/>
<div id="logDiv"></div>
<!-- Benchmarks -->
<script type="text/javascript">
testURLs = [
{name: 'glMatrix', url: 'libs/glMatrix/glMatrix.html' },
{name: 'mjs', url: 'libs/mjs/mjs.html' },
{name: 'CanvasMatrix', url: 'libs/CanvasMatrix/CanvasMatrix.html'},
{name: 'EWGL', url: 'libs/EWGL_math/EWGL_math.html' },
{name: 'TDLMath', url: 'libs/tdl/tdl-math.html' },
{name: 'TDLFast', url: 'libs/tdl/tdl-fast.html' },
{name: 'closure', url: 'libs/closure/closure.html' }
];
var waiting = 1;
function childLoaded() {
--waiting;
if (waiting == 0) {
debuggerLog("done loading");
gatherTests();
}
}
function testMain() {
// make all the iframes.
for (var ii = 0; ii < testURLs.length; ++ii) {
++waiting;
var testInfo = testURLs[ii];
var iframe = document.createElement('iframe');
iframe.setAttribute('src', testInfo.url);
document.body.appendChild(iframe);
testInfo.iframe = iframe;
}
childLoaded();
}
function gatherTests() {
var sets = {};
for (var ii = 0; ii < testURLs.length; ++ii) {
var testInfo = testURLs[ii];
var tests = testInfo.iframe.contentWindow.tests;
for (var testName in tests) {
if (!sets[testName]) {
sets[testName] = [];
}
sets[testName].push({
library: testInfo.name,
test: tests[testName].test,
testInfo: testInfo
});
}
}
for (var testName in sets) {
testSet(testName, sets[testName]);
}
plotBenchmarks();
createTableData();
setTimeout(runNextTest, 100);
}
var colors = [
'#ff0000',
'#4444ff',
'#00dd00',
'#cc00cc',
'#ee6600',
'#00ccbb',
'#990000',
'#110077',
'#118800',
'#770099',
'#aa4400',
'#008877'
];
function plotBenchmarks() {
var datasets = [];
var benchmarks = [];
var benchmarkIndex, libraryIndex;
benchmarkIndex = 0;
var x_axis_tics = [];
for (benchmark in testData) {
benchmarks.push(benchmark);
libraryIndex = 0;
for (library in testData[benchmark]) {
if (!datasets[libraryIndex]) {
datasets.push({});
datasets[libraryIndex]['data'] = [];
datasets[libraryIndex]['label'] = library;
datasets[libraryIndex]['color'] = colors[libraryIndex];
datasets[libraryIndex]['lines'] = { show: true };
datasets[libraryIndex]['points'] = { show: true };
}
datasets[libraryIndex]['data'].push([benchmarkIndex, testData[benchmark][library].avg / 1000000]);
libraryIndex++;
}
benchmarkIndex++;
}
for(i = 0; i < benchmarks.length; i++) {
x_axis_tics.push([i, benchmarks[i]])
}
var f = Flotr.draw($('graph'), datasets,
{
xaxis:{
labelsAngle: 60,
ticks: x_axis_tics,
title: 'Benchmark Operation',
noTics: benchmarks.length,
min: 0, max: benchmarks.length - 1,
},
yaxis:{ title: 'Iterations Per Second (x1000000)', min: 0, max: 40 },
title: "WebGL Matrix Library Benchmark",
subtitle: "Millions of iterations per second averaged over 10 runs (higher is better)",
grid:{ verticalLines: true, backgroundColor: 'white' },
HtmlText: false,
legend: { position: 'nw' },
mouse:{
track: true,
lineColor: 'purple',
relative: true,
position: 'nw',
sensibility: 1, // => The smaller this value, the more precise you've to point
trackDecimals: 1,
trackFormatter: function(obj) {
return obj.series.label + ':' + benchmarks[Number(obj.x)] + ', ' + obj.y
}
},
crosshair:{ mode: 'xy' }
}
);
};
var data_table_head = document.getElementById("data-table-head");
var data_table_body = document.getElementById("data-table-body");
var libraries = ["glMatrix", "mjs", "CanvasMatrix", "EWGL", "TDLMath", "TDLFast", "closure"];
function library_to_id(library) {
return library.toLowerCase().replace(/\W/g, '_');
}
function createTableData() {
var row, data, list, item, header;
row = document.createElement('tr');
header = document.createElement('th');
header.className = "text sortcol";
header.textContent = "Library";
row.appendChild(header);
for(benchmark in testData) {
header = document.createElement('th');
header.className = "number sortcol";
header.textContent = benchmark;
row.appendChild(header);
};
header = document.createElement('th');
header.className = "number sortcol sortfirstdesc";
header.textContent = "Average";
row.appendChild(header);
data_table_head.deleteRow(0)
data_table_head.appendChild(row);
for (i = 0; i < libraries.length; i++) {
row = document.createElement('tr');
row.id = libraries[i] + '_row';
data = document.createElement('td');
data.style.backgroundColor = colors[i];
data.style.color = '#ffffff';
data.style.fontWeight = 'normal';
data.style.fontFamily = 'Arial Black';
data.textContent = libraries[i];
row.appendChild(data);
for(benchmark in testData) {
data = document.createElement('td');
data.id = benchmark + '_' + library_to_id(libraries[i]) + '_data'
data.textContent = "";
row.appendChild(data);
};
data = document.createElement('td');
data.id = library_to_id(libraries[i]) + '_ave__data'
data.textContent = "";
row.appendChild(data);
data_table_body.appendChild(row);
};
};
function updateTableData() {
var row, data, value, totals = {}, counts = {};
for(var benchmark in testData) {
var bestLibraries;
var bestIPS = -1;
for (var library in testData[benchmark]) {
var id = benchmark + '_' + library_to_id(library) + '_data';
data = document.getElementById(id);
value = testData[benchmark][library].avg;
if (typeof(value) === "number") {
value = value / 1000000;
data.textContent = sprintf("%2.2f", value);
totals[library] = value + (totals[library] || 0);
counts[library] = 1 + (counts[library] || 0);
if (bestIPS < 0 || value > bestIPS) {
bestIPS = value;
bestLibraries = [library];
} else if (value == bestIPS) {
bestLibraries.push(library);
}
} else {
data.textContent = value;
}
if (testData[benchmark][library].bad) {
data.textContent += " (bad)";
data.style.backgroundColor = '#fcc';
}
}
if (bestIPS > 0) {
for (var i = 0; i < bestLibraries.length; ++i) {
var library = bestLibraries[i];
data = document.getElementById(benchmark + '_' + library_to_id(library) + '_data');
data.style.backgroundColor = '#acf';
}
}
}
for (var library in totals) {
if (counts[library]) {
data = document.getElementById(library_to_id(library) + '_ave__data');
data.textContent = sprintf("%2.2f", totals[library] / counts[library]);
}
}
SortableTable.load();
};
</script>
<script type="text/javascript">
window.onload=function() {
testMain();
}
</script>
</body>
</html>