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On 21/06/2012, at 8:41 PM, steve donovan wrote:

> I should know better to make assertions about performance when LuaJIT
> is available ;)
> 
>> $ luajit pokus.lua
>> Standard        0.004261
>> Modified        0.004928
> 
> Although you need to push the numbers of your test up to get something
> meaningful here.

`luajit -jdump` shows they generate the same code for the loop, though the header is more complex*.

*I did this for slightly different code