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Run results for:
Math.round vs Bitwise
Check is is faster using bitwise operations
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=586096" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36 Edg/132.0.0.0
Browser:
Chrome 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Bitwise n + (n < 0 ? -0.5 : 0.5)>>0
120.3M/s
Math.round(n)
92.4M/s
View exact numbers
Test name
Executions per second
✓
Bitwise n + (n < 0 ? -0.5 : 0.5)>>0
120,277,528 Ops/sec
Math.round(n)
92,357,360 Ops/sec
Script Preparation code:
var n = Math.PI
Tests:
Math.round(n)
Math.round(n)
Bitwise n + (n < 0 ? -0.5 : 0.5)>>0
n + (n < 0 ? -0.5 : 0.5)>>0