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On Thu, Feb 18, 2010 at 15:00, Mike Pall <> wrote:
> No, both generate the same code and are the same speed. Your
> measurements are too short and your system does not provide enough
> timing accuracy (desktop Linux nowadays uses 250Hz => 4ms).

I'm on OS X, but I guess it doesn't change you point.

> $ time luajit while.lua
> 0.012
> $ time luajit _while.lua
> 0.012
> $ time luajit _while_recursive.lua
> 0.012

That's amazing :-)
Tail calls as fast as native loops will bring so many possibilities...
I'm thinking of "Lambda, the Ultimate Goto" and it's siblings :-) (see for those who haven't read
them yet).