Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: How do different types of components effect programs?

Author: William H Rogers

Date: 07:02:56 09/10/98

Go up one level in this thread


On September 09, 1998 at 12:44:16, Shaun Graham wrote:

>  Of course different type of components effect programs differently but what i
>am concerned with is what is most critical outside of cpu and ram?  What i mean
>by this is that i have found that programs running on different comparable
>machines(same amount of ram, same cpu speed.) still quite often perform
>differently.  For example in the mclane summer tournament the chessmaster
>program has been hanging, when on my system it absoulutely never hangs under any
>circumstances.  I have also seen many cases where programs running on P200mmmx
>systems with 32 megs of ram can calculate different amounts of variations in the
>same position.  I'm not a hardware specialist but i think the evidence of this
>sort of behavior is strong enough to suggest that there is some other critical
>factor besides processor speed and ram.  The reason that i'm so interested is
>that performance by various programs using the same type of hardware seem to(At
>least in my experience)occasionally perform not only differently but
>SIGNIFICANTLY differently.  An example being CM 5555's performance in the summer
>tournament.  The results of this tournament are not typical of results i have
>grown to expect from 5555, and i think that possibly the hardware configuration
>causes an anomaly of some sort in the programs operation resulting in worse
>results. "Just a theory! :)"

You forgot about scratch ram, disk i.o., and a few other things that can make a
difference between other-wise identical computers.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.