MeasureThat.net

Run results for: Comparing performance of Math.floor(x); vs Math.round(x); vs (0.5 + x) << 0;

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0
Firefox 122
Windows
Desktop
10 months ago
Test name Executions per second
Math.floor(x); 349444768.0 Ops/sec
Math.round(x) 352376544.0 Ops/sec
(0.5 + x) << 0; 347423904.0 Ops/sec
Script Preparation code:
Tests:

  • Math.floor(x);

  • Math.round(x)

  • (0.5 + x) << 0;