From: av568 AT rgfn DOT epcc DOT edu (Beautiful Savior Lutheran Church)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: I don't understand djgpp's optimizations
Date: 4 Apr 1997 16:02:20 GMT
Organization: The Rio Grande Free-Net, El Paso Community College, El Paso, TX
Lines: 15
Message-ID: <5i38mc$36q@news.epcc.edu>
References: <33440E51 DOT 6AE AT imaginet DOT fr>
NNTP-Posting-Host: rgfn.epcc.edu
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

DoLooP (kst AT imaginet DOT fr) wrote:
> I'm new in c coding, and i'm trying djggp because a lot of demoscoder
> says that this is THE best compiler. So i try a simple 50000 loop with a
> calcul in it. i've done a time mesure and the code generated is really
> NOT speed comparing to what the watcom c gives to me. it run 2 times
> better in watcom flat mode. i've used -o2 -forcemem -forceaddr
> -fstrengh...   flags. (and perhaps some other one). could someone help
> me ?

Using a for() loop as a pause mechanism is a Bad Idea. Results will vary 
with every compiler and processor. If you want to pause, use sleep()

--
Beautiful Savior Evangelical Lutheran Church - av568 AT rgfn DOT epcc DOT edu
We have what you need-- A Savior!