Run results for: sumOfEventNumbers-vanilla-vs-rxjs-7

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4628.3 Safari/537.36

Browser: Chrome 95

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
vanilla	11.5 Ops/sec
rxjs	18.4 Ops/sec

HTML Preparation code:

<script src='https://unpkg.com/rxjs@7.3.0/dist/bundles/rxjs.umd.min.js'></script>

Script Preparation code:

function onlyEven(value) {return value % 2 == 0;}
function timesTwo(value) {return value * 2;}
function sum(a, b) {return a + b;}

Tests:

vanilla
Array.from(Array(1000000).keys()) .filter(onlyEven) .map(timesTwo) .reduce(sum, 0);
rxjs
let { from } = rxjs; let { filter, map, reduce } = rxjs.operators; from(Array.from(Array(1000000).keys())).pipe( filter(onlyEven), map(timesTwo), reduce(sum, 0) );