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Mail Archives: djgpp/1998/09/24/09:49:53

Date: Thu, 24 Sep 1998 16:49:38 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: "Renato F. Cantao" <cantao AT ime DOT unicamp DOT br>
cc: djgpp AT delorie DOT com
Subject: Re: your mail
In-Reply-To: <199809241212.JAA05401@labma07.ime.unicamp.br>
Message-ID: <Pine.SUN.3.91.980924164430.11844B-100000@is>
MIME-Version: 1.0

On Thu, 24 Sep 1998, Renato F. Cantao wrote:

> 	I'm new in the DJGPP business, but it seems to me that most of you
> work in game implementation (in fact, that's how I discovered DJGPP).

I don't think that's true.

> In DJGPP I'm using only the -O3 switch.

Actually, -O3 is not the best choice overall.  Try -O2 and see if it's 
better.

> 	1. How can obtain the FASTEST code compiling with DJGPP (the best
> optimizations options) ?

Please donwload the DJGPP FAQ list (v2/faq211b.zip from the same place 
you get DJGPP) and read section 14.2 there, then try using that advice.  
I hope this will be a good beginning.  If it doesn't help enough, try 
asking specific questions here.

> 	2. Does anybody know about some more extensive test? I mean,
> something that includes, loops, sorting, disk access, memory access and
> so.

The best test case is your own application(s).

> 	3. Sorry guys, but I have to use Win95. That's almost the ONLY
> available plataform in my university (sic...). Is it possible to link the
> *.o files produced with DJGPP in Win95 applications???

No, you cannot mix object files from different compilers.  But I don't 
understand why do you have to, since DJGPP programs will run on Windows 
9X as well (and support long file names, btw).

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