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Run results for:
Fourjunctions Time Complexity
Benchmarking how much time is taken to execute multiple loops and single loops
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<iframe src="https://measurethat.net/Embed?id=586678" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Single loop
79K/s
Multiple loops
4K/s
View exact numbers
Test name
Executions per second
✓
Single loop
79,114 Ops/sec
Multiple loops
3,874 Ops/sec
Script Preparation code:
const numbers = Array.from({ length: 10_000 }).map(() => Math.random())
Tests:
Multiple loops
const result = numbers .map(n => Math.round(n * 10)) .filter(n => n % 2 === 0) .reduce((a, n) => a + n, 0)
Single loop
const result = numbers.reduce((a, n) => { if (n % 2 === 0) return a; return a + n; }, 0);