From: Meinrad Recheis <meinrad.recheis@...>
Date: 2006-02-24T07:37:19+09:00
Subject: Re: Huge performance gap

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On 2/23/06, Alexis Reigel <mail@koffeinfrei.org> wrote:
>
> Hi all
>
> I've ported the following c++ code to ruby. It is a recursive
> (backtracking) sudoku-solving algorithm. Well, I was rather surprised by
> the execution time I got:
>
> c++ code:   0.33 seconds
> ruby code: 27.65 seconds
>
> [...]
>

ruby code may be up to 100 times slower than c++ binaries. i think it is
normal.
also i don't see any common performance crimes (such as using +=3D with
strings) in your code.
-- henon

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