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@@ -0,0 +1,87 @@
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+THREE = {};
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+
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+THREE.Vector3 = function ( x, y, z ) {
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+
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+ this.x = x || 0;
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+ this.y = y || 0;
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+ this.z = z || 0;
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+
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+};
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+
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+THREE.Vector3.prototype = {
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+
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+ constructor: THREE.Vector3,
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+
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+ length: function () {
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+
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+ return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );
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+
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+ }
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+
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+};
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+
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+THREE.Vector3X = function ( x, y, z ) {
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+
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+ var elements = this.elements = new Float32Array( 3 );
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+ elements[0] = x || 0;
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+ elements[1] = y || 1;
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+ elements[2] = z || 2;
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+
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+};
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+
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+THREE.Vector3X.prototype = {
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+
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+ constructor: THREE.Vector3X,
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+
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+ length: function () {
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+
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+ return Math.sqrt( this[0] * this[0] + this[1] * this[1] + this[2] * this[2] );
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+
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+ }
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+
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+};
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+
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+
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+
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+var suite = new Benchmark.Suite;
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+
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+suite.add('Vector3-Set', function() {
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+
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+ var array = [];
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+ for ( var i = 0; i < 100000; i ++ ) {
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+ var v = new THREE.Vector3( i, i, i );
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+ array.push( v );
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+ }
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+
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+ var result = 0;
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+ for ( var i = 0; i < 100000; i ++ ) {
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+ var v = array[i];
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+ result += v.length();
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+ }
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+});
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+
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+suite.add('Vector3-Float32Array', function() {
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+
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+ var array = [];
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+ for ( var i = 0; i < 100000; i ++ ) {
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+ var v = new THREE.Vector3X( i, i, i );
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+ array.push( v );
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+ }
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+
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+ var result = 0;
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+ for ( var i = 0; i < 100000; i ++ ) {
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+ var v = array[i];
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+ result += v.length();
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+ }
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+});
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+
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+suite.on('cycle', function(event, bench) {
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+ console.log(String(event.target));
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+});
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+
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+suite.on('complete', function() {
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+ console.log('Fastest is ' + this.filter('fastest').pluck('name'));
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+ console.log( "Done" );
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+});
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+
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+suite.run(true);
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Ben Houston