Run results for: array vs Float64Array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36

Browser: Chrome 73

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 6 years ago

Script Preparation code:

var a = [...Array(10000)].map(_ => Math.random());
var ta = (new Float64Array(10000)).map(_ => Math.random());

AخA
 
var a = [...Array(10000)].map(_ => Math.random());var ta = (new Float64Array(10000)).map(_ => Math.random());

Tests:

for (let i = 0; i < 10000; ++i)
  a[i] = a[i] + 1;

 
for (let i = 0; i < 10000; ++i)  a[i] = a[i] + 1;

typedArray i/o
for (let i = 0; i < 10000; ++i) ta[i] = ta[i] + 1;
for (let i = 0; i < 10000; ++i)
ta[i] = ta[i] + 1;