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Run results for: Math.random vs crypto.getRandom

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.5 Safari/605.1.15
Safari 13
Mac OS X 10.15
Desktop
4 years ago
Test name Executions per second
Math.random() 4550237.5 Ops/sec
crypto.getRandomValues() 671481.8 Ops/sec
Tests:

  • Math.random()

    AخA
     
    Math.random()

  • crypto.getRandomValues()

     
    crypto.getRandomValues(new Uint32Array(1))[0] / 4294967296