Math.pow vs Bitwise

JavaScript performance comparison

Revision 10 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
      var a = 4,
          b = 2,
          c = 0,
          Pow = Math.pow;
};
</script>

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Testing in unknown unknown
Test Ops/sec
Math.pow
c = Math.pow(2, b);
pending…
Bitwise
c = 1 << b;
pending…

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