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Mail Archives: djgpp/2000/05/18/04:31:58

Date: Thu, 18 May 2000 12:52:56 +0600 (LKT)
From: Kalum Somaratna aka Grendel <kalum AT lintux DOT cx>
X-Sender: kalum AT roadrunner DOT grendel DOT net
To: djgpp AT delorie DOT com
Subject: Re: Right shift
In-Reply-To: <3922EECF.28C0AF67@mtu-net.ru>
Message-ID: <Pine.LNX.4.10.10005181251180.545-100000@roadrunner.grendel.net>
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On Wed, 17 May 2000, Alexei A. Frounze wrote:

> night DOT walker AT tiscalinet DOT it wrote:
> > Yes, i know the platform-sensitivity of bit-shifting, but, in the case,
> > i'm working just on a little demo prog. Changing some divisions with
> > right-shifting DOES improve the speed (from 3/4 fps to 4/5 fps on my
> > P90) with no errors.
> > I will be glad to upload you the src (needs ALLEGRO lib).
> 
> IMHO Your code must be inefficient. My current 3d engine runs at about
> 40...50FPS on P90 and about 10FPS on 484dx2-66 which is pretty slow for 3d.

Maybe it is because he uses the Allegro library..It is a great library,
but some aspects like the sound mixing code for example is way to
slow...the 3d routines are also slow IMHO. Maybe this is because allegro
has to handle a lot situations that the code has to be slow......

Kalum

Hi, I'm a signature virus. plz set me as your signature and help me spread
:)

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