Message-ID:	<329E2FBF.5744@gbrmpa.gov.au>
Date:	Fri, 29 Nov 1996 08:43:28 +0800
From:	Leath Muller <leathm AT gbrmpa DOT gov DOT au>
Reply-To:	leathm AT gbrmpa DOT gov DOT au
Organization:	Great Barrier Reef Marine Park Authority
MIME-Version:	1.0
To:	Glen Miner <gminer AT Newbridge DOT COM>
CC:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>, djgpp AT delorie DOT com
Subject:	Re: Optimization
References:	<Pine DOT SUN DOT 3 DOT 90 DOT 961128074953 DOT 29701C-100000 AT coop10>

> > Mixing 16-bit and 32-bit code will usually *slow down* your program by
> > about a factor of 2, due to the override prefixes which eat up a cycle.
 
> This is quite odd. I'm going to have to re-read the old pmode optimizing
> doc I have lying around somewhere. Until now, all my work has been in
> real mode...

Make sure its a 32 bit protected mode doc, not 16 bit...

Leathal.

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