MeasureThat.net

Run results for: soa vs aos using Float32Array 2

As titled

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:100.0) Gecko/20100101 Firefox/100.0
Firefox 100
Mac OS X 10.15
Desktop
2 years ago
Test name Executions per second
soa 629.7 Ops/sec
aos 257.1 Ops/sec
Script Preparation code:
​x
 
var x = new Float32Array(1000000),
    y = new Float32Array(1000000),
    z = new Float32Array(1000000);
​
var vectors = [];
for (var i = 0; i < 1000000; i++) {
    x[i] = Math.random() * 100;
    y[i] = Math.random() * 100;
    z[i] = Math.random() * 100;
​
    vectors[i] = {
        x: x[i],
        y: y[i],
        z: z[i]
    };
}
var vector;
Tests:

  • soa

     
    for (var i = 0, li=x.length; i < li; ++i) {
        x[i] = 2 * x[i];
        y[i] = 2 * y[i];
        z[i] = 2 * z[i];
    }

  • aos

     
    for (var i = 0, li=vectors.length; i < li; ++i) {
        vector = vectors[i];
        vector.x = 2 * vector.x;
        vector.y = 2 * vector.y;
        vector.z = 2 * vector.z;
    }