Run results for: Math.round vs Bitwise

Check is is faster using bitwise operations

Go to the benchmark
Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Mobile/15E148 Safari/604.1
Mobile Safari 18
iOS 18.3.1
Mobile
one year ago
Test name Executions per second
Math.round(n) 535646272.0 Ops/sec
Bitwise n + (n < 0 ? -0.5 : 0.5)>>0 489942784.0 Ops/sec
Script Preparation code:
Tests:

  • Math.round(n)

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