Benchmark: Math.random vs crypto.getRandomValues 32 bytes

Script Preparation code:

u8 = new Uint8Array(32)

Tests:

Math.random
for(let i=0;i<u8.length;++i) { u8[i] = Math.round(Math.random() * 0xff) }
crypto API
crypto.getRandomValues(u8)

Rendered benchmark preparation results:

Previous results

Test case name	Result
Math.random
crypto API

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:104.0) Gecko/20100101 Firefox/104.0

Browser/OS: Firefox 104 on Mac OS X 10.15

Test name	Executions per second
Math.random	6594126.0 Ops/sec
crypto API	526904.4 Ops/sec

Math.random vs crypto.getRandomValues 32 bytes (version: 0)