Division vs multiplication

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var foo = [];
    for (var x = 0; x < 1000; ++ x )
        foo.push( Math.random( ) );
   
    var y = 54.323;
    var y_inv = 1 / y;
   
    var i = 0;
   
};
</script>

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Testing in unknown unknown
Test Ops/sec
x / y
x[ i ++ % 1000 ] /= y;
pending…
x * inv
x[ i ++ % 1000 ] *= y_inv;
pending…

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