From: Roger Pack <rogerpack2005@...>
Date: 2007-10-18T04:24:17+09:00
Subject: Re: Speed issue on Windows

So my question is...why is ruby so slow on win32?  I don't think it is 
just file I/O.  And is there an answer? A better compiler?
Thanks!

Joel VanderWerf wrote:
> Wilson Bilkovich wrote:
>> Try running the built-in sample "cal.rb" with ruby -rprofile.
>> I don't have two identical boxes right next to each other right now, but:
>> WinXP SP2, dual Xeon 2.8GHz, 2GB of RAM: 5.031 seconds.
>> Ubuntu 5.10, single P4 3.0GHz, 1GB of RAM: 2.110 seconds.
>> 
>> Obviously the hardware isn't the same, but they should be much, much
>> closer than that.
>> cal.rb is a good choice (in my opinion) because it creates and
>> compares a very large number of Rational and Fixnum objects.
> 
> 4.94 sec   WinXP SP2, single Pentium M, 1.7GHz, 512MB
>             1-click installer
> 
> 2.32 sec   Ubuntu 5.10, single Pentium M, 1.7GHz, 512MB
>             built with default build options
> 
> I took the best run out of 10 or so on each platform. Not building the
> windows version with architecture specific options might account for
> some of the difference.

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