From: Eric Hodel <drbrain@...7.net>
Date: 2007-09-22T10:47:02+09:00
Subject: Re: How fast does your Ruby run?

On Sep 21, 2007, at 02:20, Josip Gracin wrote:

> SpringFlowers AutumnMoon wrote:
>> How fast does your Ruby run?
>> I got 53648 iterations per second running the following program,
>> on an Intel 3.2 GHz HT, Win XP machine:
>
> Here's something interesting.  The processor is Intel T7200 @  
> 2.00GHz, Linux Ubuntu.
>
> 1. With ruby 1.8.5. which comes packaged with Ubuntu:
>
>    Ruby 1.8.5 on i486-linux
>    It took 20.346013 seconds to run. 49149 iterations per
>    second.
>
> 2. With ruby 1.9.0 (2006-06-08) which comes packaged in Ubuntu:
>
>    Ruby 1.9.0 on i486-linux
>    It took 23.875774 seconds to run. 41883 iterations per
>    second.
>
>
> 3. With ruby 1.8.6 compiled from sources on the machine:
>
>    Ruby 1.8.6 on i686-linux
>    It took 7.107875 seconds to run. 140689 iterations per
>    second.
>
>
> Obviously, the target instruction set matters quite a lot.  I think  
> I'll be compiling my own ruby from now on. :-)

How can you draw that conclusion?  You used three different versions  
of ruby.

--
Poor workers blame their tools. Good workers build better tools. The
best workers get their tools to do the work for them. -- Syndicate Wars