Run results for: Array vs Typed Array vs Buffer Typed Array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/119.0

Browser: Firefox 119

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Array	165.8 Ops/sec
typed array from Buffer	172.7 Ops/sec
typed Array no buffer	172.2 Ops/sec

Script Preparation code:

var size = 450000;
var buf = new ArrayBuffer(size);

var normalArray = new Array(size);
var arrayFromBuffer = new Uint8Array(buf);
var arrayWithoutBuffer = new Uint8Array(size);

Tests:

Array
for (i =0; i< size; i++){ normalArray[i] = 0; }
typed array from Buffer
for (i =0; i< size; i++){ arrayFromBuffer[i] = 0; }
typed Array no buffer
for (i =0; i< size; i++){ arrayWithoutBuffer[i] = 0; }

Run results for: Array vs Typed Array vs Buffer Typed Array

Array

typed array from Buffer

typed Array no buffer