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crypto.randomUUID() vs crypto.getRandomValues()
(version: 1)
Comparing performance of:
uuid vs random
Created:
one year ago
by:
Guest
Jump to the latest result
Script Preparation code:
iterations = 1000
Tests:
uuid
const arr = []; for (let i = 0; i < iterations; i++) { arr.push(crypto.randomUUID()); }
random
const arr = []; for (let i = 0; i < iterations; i++) { arr.push(crypto.getRandomValues(new Uint8Array(16))); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
uuid
random
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one month ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0
Browser/OS:
Chrome 143 on Linux
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<iframe src="https://measurethat.net/Embed?id=626783" width="100%" height="500px"></iframe>
Test name
Executions per second
uuid
642.3 Ops/sec
random
692.6 Ops/sec
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crypto.getRandomValues(new Uint8Array(4)) vs crypto.getRandomValues(new Uint16Array(2)) vs crypto.getRandomValues(new Uint32Array(1))
Simple benchmark
Math.random() vs. random() v2
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