Abs vs *-1
JavaScript performance comparison
Info
Quick highly-retroactive test for http://stackoverflow.com/questions/441893/which-is-faster-math-absvalue-or-value-1
Preparation code
<script>
Benchmark.prototype.setup = function() {
var x=-747;
};
</script>
Test runner
Warning! For accurate results, please disable Firebug before running the tests. (Why?)
Java applet disabled.
| Test | Ops/sec | |
|---|---|---|
-x |
|
pending… |
abs(x) |
|
pending… |
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