Date:	Tue, 4 Apr 2000 05:39:14 +0600 (LKT)
From:	Kalum Somaratna aka Grendel <kalum AT lintux DOT cx>
X-Sender:	root AT darkstar DOT grendel DOT net
To:	djgpp AT delorie DOT com
Subject:	Re: Allegro and interrupts
In-Reply-To:	<38E8DDE0.58645519@americasm01.nt.com>
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On Mon, 3 Apr 2000, Campbell, Rolf [SKY:1U32:EXCH] wrote:

> Kalum Somaratna aka Grendel wrote:
> 
> > I must confess that my panic at using FPU insns in game programming comes
> > from the fact that I learnt game programming in the time when using the
> > FPU was slooow, and everyone wrote code using sin and cos lookup tables
> > etc.
> >
> > FWIW Even the allegro game programming library comes with a integer based
> > floating point emulation rountines.
> >
> > I certainly agree that speed of FPU rountines vs integer rountines are
> > norrowing. I once read that on a certain processor the fmul was faster
> > than the imul...
> 
> You should see the timings on the Athlon's.  FPU stuff is amazingly fast, but
> even an imul is 1-2 clocks...

I agree Rolf..I too have a athlon and It's FPU handling is awesome...

Grendel


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