Benchmark: key versus integer

Script Preparation code:

var foo = { bar : 1, qux : 2 }
var bar = [ 1, 2 ]
var __FOO__ = 0;
var __BAR__ = 1;

Tests:

property
let sum = 0; for (let i = 0 ; i < 1000 ; i++) { foo.bar += i; foo.qux += i; sum += foo.bar; sum += foo.qux; }
integer
let sum = 0; for (let i = 0 ; i < 1000 ; i++) { bar[0] += i; bar[1] += i; sum += bar[0]; sum += bar[1]; }
key
let sum = 0; for (let i = 0 ; i < 1000 ; i++) { bar[__FOO__] += i; bar[__BAR__] += i; sum += bar[__FOO__]; sum += bar[__BAR__]; }

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser/OS: Chrome 133 on Windows

property

263K/s

integer

222K/s

key

127K/s

View exact numbers

key versus integer (version: 1)