From: William James <w_a_x_man@...>
Date: 2006-07-29T03:00:05+09:00
Subject: Re: For performance, write it in C - Part 2, comparing C, Ruby and Java

Peter Hickman wrote:
> This is the follow up to my "Write it in C post" and is intended to
> report the timings for the Java implementation that I said I would write
> for Charles O Nutter and the Ruby version by Simon Kroeger. First let us
> deal with the Ruby version.
>
> The program differs from the Perl and C versions in that the various
> values it requires are not precomputed. Simon's program is completely
> self contained.
>
> [Latin]$ time ruby latin.rb 5 > r5
>
> real    0m35.793s
> user    0m32.081s
> sys     0m0.843s

In another thread Simon Kroger wrote:
> real    0m4.703s
> user    0m0.015s
> sys     0m0.000s
>
> (this is a 2.13GHz PentiumM, 1GB RAM, forget the user and sys timings, but
> 'real' is for real, this is WinXP)

Why is it so much slower on Peter Hickman's machine?