Run results for: Date.now() vs Performance.measure()

Run details:

User agent: Mozilla/5.0 (Linux; Android 13; SM-G991B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Mobile Safari/537.36 EdgA/107.0.1418.43

Browser: Chrome Mobile 107

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
performance.mark	38622.9 Ops/sec
Date.now	326367.1 Ops/sec
performance.mark + performance.measure	34420.8 Ops/sec

Script Preparation code:

var times = [];

Tests:

performance.mark
var i = Math.random() + '' + Date.now(); performance.mark(i + 'start'); performance.mark(i + 'end' );
Date.now
var i = Math.random() + '' + Date.now(); times.push(Date.now() + 'start' + i); times.push(Date.now() + 'end' + i);
performance.mark + performance.measure
var i = Math.random() + '' + Date.now(); performance.mark(i + 'start'); performance.mark(i + 'end' ); performance.measure(i, i + 'start', i + 'end')