Doodle3D-Slicer/three.js-master/test/perf.html
2015-06-12 15:58:26 +02:00

129 lines
2.5 KiB
HTML
Executable File

<!DOCTYPE html>
<html lang="en">
<body>
<script src="../build/three.min.js"></script>
<script src="../examples/js/math/TypeArrayVector3.js"></script>
<script>
var Benchmark = function ( title, test ) {
var titleDom = document.createElement( 'div' );
titleDom.style.fontWeight = 'bold';
titleDom.textContent = title;
document.body.appendChild( titleDom );
var msDom = document.createElement( 'div' );
document.body.appendChild( msDom );
this.run = function () {
var start = performance.now();
test();
msDom.textContent = performance.now() - start;
}
};
var vector11 = new THREE.Vector3( 1.2, 2.3, 3.4 );
var vector12 = new THREE.Vector3( 1.2, 2.3, 3.4 );
var vector13 = new THREE.Vector3( 1.2, 2.3, 3.4 );
var vector21 = new THREE.TypeArrayVector3( 1.2, 2.3, 3.4 );
var vector22 = new THREE.TypeArrayVector3( 1.2, 2.3, 3.4 );
var vector23 = new THREE.TypeArrayVector3( 1.2, 2.3, 3.4 );
var benchmarks = [
new Benchmark( 'new Vector3()', function () {
for ( var i = 0; i < 10000; i ++ ) {
var vector = new THREE.Vector3( 1, 1, 1 );
}
} ),
new Benchmark( 'new TypeArrayVector3()', function () {
for ( var i = 0; i < 10000; i ++ ) {
var vector = new THREE.TypeArrayVector3( 1, 1, 1 );
}
} ),
new Benchmark( 'Vector3 add()', function () {
for ( var i = 0; i < 10000000; i ++ ) {
vector11.add( vector12 );
}
} ),
new Benchmark( 'TypeArrayVector3 add()', function () {
for ( var i = 0; i < 10000000; i ++ ) {
vector21.add( vector22 );
}
} ),
new Benchmark( 'Vector3 addVectors()', function () {
for ( var i = 0; i < 10000000; i ++ ) {
vector11.addVectors( vector12, vector13 );
}
} ),
new Benchmark( 'TypeArrayVector3 addVectors()', function () {
for ( var i = 0; i < 10000000; i ++ ) {
vector21.addVectors( vector22, vector23 );
}
} )
];
function update () {
vector11 = new THREE.Vector3( Math.random(), Math.random(), Math.random() );
vector12 = new THREE.Vector3( Math.random(), Math.random(), Math.random() );
vector21 = new THREE.TypeArrayVector3().set( vector11.x, vector11.y, vector11.z );
vector22 = new THREE.TypeArrayVector3().set( vector12.x, vector12.y, vector12.z );
for ( var i = 0, l = benchmarks.length; i < l; i ++ ) {
benchmarks[ i ].run();
}
setTimeout( update, 2000 );
}
update();
</script>
</body>
</html>