Run results for: soa vs aos

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
soa	379.3 Ops/sec
aos	18.2 Ops/sec
soa mark II	305.9 Ops/sec

Script Preparation code:

var N = 1000000;

var x = [], y = [], z = [];

var xt = new Float32Array(1000000);
var yt = new Float32Array(1000000);
var zt = new Float32Array(1000000);

var vectors = [];

for(var i = 0; i < N; i++){
  x[i] = Math.random();
  y[i] = Math.random();
  z[i] = Math.random();
  
  xt[i] = x[i];
  yt[i] = y[i];
  zt[i] = z[i];
  
  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; y[i] *= 2; z[i] *= 2; }
aos
for (var i = 0, li=vectors.length; i < li; ++i) { vector = vectors[i]; vector.x *= 2; vector.y *= 2; vector.z *= 2; }
soa mark II
for (var i = 0, li=xt.length; i < li; ++i) { xt[i] *= 2; } for (var i = 0, li=yt.length; i < li; ++i) { yt[i] *= 2; } for (var i = 0, li=zt.length; i < li; ++i) { zt[i] *= 2; }

Run results for: soa vs aos

As titled

soa

aos

soa mark II