Run results for: Direct Array vs Typed Array vs Array read performances

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/134.1 Mobile/15E148 Safari/605.1.15

Browser: Mobile Safari 18

Operating system: iOS 18.3

Device Platform: Mobile

Date tested: 2 months ago

Tests:

let arr = new Float32Array(1000000);
arr[0] = Math.random();
var sum = 0;

for (let i = 0; i < 1000000; i++) {
    sum+= arr[i];
}

​x
 
let arr = new Float32Array(1000000);arr[0] = Math.random();var sum = 0;​for (let i = 0; i < 1000000; i++) {    sum+= arr[i];}

let arr = new Array(1000000);
arr[0] = Math.random();
var sum = 0;
for (let i = 0; i < 1000000; i++) {
    sum+= arr[i];
}

 
let arr = new Array(1000000);arr[0] = Math.random();var sum = 0;for (let i = 0; i < 1000000; i++) {    sum+= arr[i];}​

let arr = [];
arr[0] = Math.random();
var sum = 0;
for (let i = 0; i < 1000000; i++) {
   sum+= arr[i];
}

 
let arr = [];arr[0] = Math.random();var sum = 0;for (let i = 0; i < 1000000; i++) {   sum+= arr[i];}