Run results for: Using at() vs [offset + n] for multiple assignment

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Assignment with offsets

14.3M/s

at()

84K/s

View exact numbers

Test name	Executions per second
✓ Assignment with offsets	14,261,388 Ops/sec
at()	83,887 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var array = new Float32Array(1000);

Tests:

Assignment with offsets
const length = array.length / 5; for (let i = 0; i < length; i+=5) { array[i + 0] = 1; array[i + 1] = 3; array[i + 2] = 3; array[i + 3] = 7; array[i + 4] = 5; }
at()
const length = array.length / 5; for (let i = 0; i < length; i+=5) { array.at([1, 3, 3, 7, 5], i); }