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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=506012" 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/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Bitwise n + (n < 0 ? -0.5 : 0.5)>>0
16.9M/s
Math.round(n)
12.3M/s
View exact numbers
Test name
Executions per second
✓
Bitwise n + (n < 0 ? -0.5 : 0.5)>>0
16,887,848 Ops/sec
Math.round(n)
12,315,845 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