Run results for: Math.round vs Bitwise

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

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

186.5M/s

Math.round(n)

181.3M/s

View exact numbers

Test name	Executions per second
✓ Bitwise n + (n < 0 ? -0.5 : 0.5)>>0	186,490,912 Ops/sec
Math.round(n)	181,327,520 Ops/sec

Script Preparation code:

var n = Math.PI

Tests: