MeasureThat.net

Run results for: Math.round vs Bitwise

Check is is faster using bitwise operations

Go to the benchmark
Run details:
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
Chrome 132
Windows
Desktop
2 months ago
Test name Executions per second
Math.round(n) 92357360.0 Ops/sec
Bitwise n + (n < 0 ? -0.5 : 0.5)>>0 120277528.0 Ops/sec
Script Preparation code:
Tests:

  • Math.round(n)

  • Bitwise n + (n < 0 ? -0.5 : 0.5)>>0