MeasureThat.net

Run results for: Math.pow(x, 2) vs. x * x

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1.1 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one month ago
Test name Executions per second
Math.pow 51257.8 Ops/sec
x * x 42142.3 Ops/sec
Script Preparation code:
AخA
 
var numbers = Array.from(Array(10000), (_,x) => (Math.random()*x));
Tests:

  • Math.pow

     
    numbers.map(x => Math.pow(x, 2));

  • x * x

     
    numbers.map(x => x * x);