Run results for: Math.random vs crypto.getRandomValues (2)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/131.0.6778.154 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 131

Operating system: iOS 18.1.1

Device Platform: Mobile

Date tested: 4 days ago

Test name	Executions per second
Math.random	438090496.0 Ops/sec
crypto.randomUUID	8371249.0 Ops/sec
crypto.getRandomValues	8826115.0 Ops/sec

Script Preparation code:

var array = new Uint32Array(1)

Tests:

Math.random
Math.random()
crypto.randomUUID
crypto.randomUUID()
crypto.getRandomValues
crypto.getRandomValues(array)

Run results for: Math.random vs crypto.getRandomValues (2)

Math.random

crypto.randomUUID

crypto.getRandomValues