Run results for: EcmaScript6 Int16Array vs regular JS array

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/119.0.6045.169 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 119

Operating system: iOS 16.6

Device Platform: Mobile

Date tested: one year ago

Benchmark engine: Benchmark.js

Plain JS array

169K/s

Int16Array

149K/s

View exact numbers

Test name	Executions per second
✓ Plain JS array	168,785 Ops/sec
Int16Array	149,313 Ops/sec

Script Preparation code:

var int16 = new Int16Array(100);
var regular = [];

for(var i=0;i<100;i++){
  int16[i] = i;
  regular.push(i);
}

Tests:

Int16Array
var sum = 0; for(var i=0;i<100;i++){ sum = sum + int16[i]; }
Plain JS array
var sum = 0; for(var i=0;i<100;i++){ sum = sum + regular[i]; }