Run results for: Math.random vs crypto.getRandom sizes

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:74.0) Gecko/20100101 Firefox/74.0

Browser: Firefox 74

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Math.random()	173582080.0 Ops/sec
crypto.getRandomValues()	1349630.4 Ops/sec
crypto.getRandomValues() UINT	1374707.8 Ops/sec
crypto.getRandomValues() UINT8	1609927.8 Ops/sec

Tests:

Math.random()
Math.random()
crypto.getRandomValues()
crypto.getRandomValues(new Uint32Array(1))[0] / 4294967296
crypto.getRandomValues() UINT
crypto.getRandomValues(new Int32Array(1))[0] / 4294967296
crypto.getRandomValues() UINT8
crypto.getRandomValues(new Uint8Array(1))[0] / 4294967296