Run results for: EcmaScript6 Int16Array vs regular JS array

Run details:

User agent: Mozilla/5.0 (Linux; Android 6.0.1; PRO 6 Plus Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.137 Mobile Safari/537.36

Browser: Chrome Mobile 64

Operating system: Android 6.0.1

Device Platform: PRO 6 Plus

Date tested: 2025 years ago

Test name	Executions per second
Int16Array	30808.2 Ops/sec
Plain JS array	17224.2 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]; }

Run results for: EcmaScript6 Int16Array vs regular JS array

Int16Array

Plain JS array