native vs implmented - 0

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    function each (obj, func) {
        var kindex,
            length;
        for (kindex = 0, length = obj.length; kindex < length; kindex++) {
            var a = obj[kindex];
            if (a != undefined)
                func(a, kindex, obj);
        }
    }
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
implemented
each([0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,], function(val){
    val++;
});
pending…
native
[0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,0,1,2,3,0,].forEach(function(val){
    val++
});
pending…

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