division-by-2-vs-bit-shifting

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    a = 10
    b = 700000;
};
</script>

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Testing in unknown unknown
Test Ops/sec
Division By 2
a / 2
pending…
Bit shifting
a >> 1
pending…
Division by 2^20
b / 1048576
pending…
Bit Shift by 20
b >> 20
pending…
Big division by 2
b/2
pending…
Big bit shift
b >> 1
pending…

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Revisions

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