source: other-projects/playing-in-the-street/summer-2013/trunk/Playing-in-the-Street-WPF/Content/Web/mrdoob-three.js-4862f5f/test/benchmark/core/Float32Array.js@ 28897

var input = new Float32Array( 10000 * 3 );
var output = new Float32Array( 10000 * 3 );

for( var j = 0, jl = input.length; j < jl; j ++ ) {
    input[j] = j;
}

var inputVectors = [];
var outputVectors = [];

for( var j = 0, jl = input.length/3; j < jl; j ++ ) {
    inputVectors.push( new THREE.Vector3( j*3, j*3+1, j*3+2 ) );
    outputVectors.push( new THREE.Vector3() );
}

var suite = new Benchmark.Suite;

suite.add('Float32Array-Float32Array', function() {
    var value3 = new Float32Array( 3 );
    for (var i = 0, il = input.length / 3; i < il; i += 3) {
      value3[0] = input[i + 0];
      value3[1] = input[i + 1];
      value3[2] = input[i + 2];
      value3[0] *= 1.01;
      value3[1] *= 1.03;
      value3[2] *= 0.98;
      output[i + 0] = value3[0];
      output[i + 1] = value3[1];
      output[i + 2] = value3[2];
    }
});

suite.add('Float32Array-Array', function() {
    var value2 = [0,0,0];
    for (var i = 0, il = input.length / 3; i < il; i += 3) {
      value2[0] = input[i + 0];
      value2[1] = input[i + 1];
      value2[2] = input[i + 2];
      value2[0] *= 1.01;
      value2[1] *= 1.03;
      value2[2] *= 0.98;
      output[i + 0] = value2[0];
      output[i + 1] = value2[1];
      output[i + 2] = value2[2];
    }
});

suite.add('Float32Array-Literal', function() {
    var x, y, z;
    for (var i = 0, il = input.length / 3; i < il; i += 3) {
      x = input[i + 0];
      y = input[i + 1];
      z = input[i + 2];
      x *= 1.01;
      y *= 1.03;
      z *= 0.98;
      output[i + 0] = x;
      output[i + 1] = y;
      output[i + 2] = z;
    }
});

suite.add('Float32Array-Vector3', function() {
    var value = new THREE.Vector3();
    for (var i = 0, il = input.length / 3; i < il; i += 3) {
      value.x = input[i + 0];
      value.y = input[i + 1];
      value.z = input[i + 2];
      value.x *= 1.01;
      value.y *= 1.03;
      value.z *= 0.98;
      output[i + 0] = value.x;
      output[i + 1] = value.y;
      output[i + 2] = value.z;
    }
});

suite.add('Vector3Array-Direct', function() {
    for (var i = 0, il = inputVectors.length; i < il; i ++ ) {
        outputVectors[i].copy( inputVectors[i] );
        outputVectors[i].x *= 1.01;
        outputVectors[i].y *= 1.03;
        outputVectors[i].z *= 0.98;
    }
});

suite.add('Vector3Array-Vector3', function() {
    var value = new THREE.Vector3();
    for (var i = 0, il = inputVectors.length; i < il; i ++ ) {
      value.copy( inputVectors[i] );
      value.x *= 1.01;
      value.y *= 1.03;
      value.z *= 0.98;
      outputVectors[i].copy( value );
    }
});

suite.on('cycle', function(event, bench) {
  console.log(String(event.target));
});

suite.on('complete', function() {
  console.log('Fastest is ' + this.filter('fastest').pluck('name'));
  console.log( "Done" );
});

suite.run(true);