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On Wed, Jan 26, 2011 at 16:31, Steve Litt <> wrote:

> I timed my prime number generator running Lua counting all primes below
> 10million, piping the output to /dev/null. With Lua it took about 9 seconds.
> With Luajit 1.6 it was about 6.5 seconds. I downloaded and built Luajit-2.0.0-
> beta4, and that ran in 1.9 seconds.

Why beta4? I think that beta5 is a bit faster. Also, it has some bugs fixed.