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Run results for: Math.round vs Bitwise

Check is is faster using bitwise operations

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Safari/605.1.15
Safari 15
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Math.round(n) 2860648.0 Ops/sec
Bitwise n + (n < 0 ? -0.5 : 0.5)>>0 4231104.0 Ops/sec
Website performance monitoring
Script Preparation code:
Tests:

  • Math.round(n)

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