Math.round vs (x + 0.5)|0

JavaScript performance comparison

Revision 2 of this test case created by kusakyky

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var x = 3.1,
      myRound = function(x) { return (x + 0.5)|0; },
      MathRound = Math.round;

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Math.round
Math.round(x);
pending…
(x + 0.5)|0
(x + 0.5)|0;
pending…
(x + 0.5)|0 in fn
myRound(x);
pending…
MathRound
MathRound(x);
pending…

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Revisions

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