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Mail Archives: djgpp/2000/10/21/02:55:35

Date: Sat, 21 Oct 2000 08:54:28 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: djgpp AT delorie DOT com
Message-Id: <7458-Sat21Oct2000085428+0300-eliz@is.elta.co.il>
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In-reply-to: <8squfu$cso$1@slb6.atl.mindspring.net> (marp@0.0.0.0)
Subject: Re: Runtime Speed Optimization
References: <39F0EBB3 DOT 375FEFCE AT email DOT com> <8squfu$cso$1 AT slb6 DOT atl DOT mindspring DOT net>
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> From: "Marp" <marp AT 0 DOT 0 DOT 0 DOT 0>
> Newsgroups: comp.os.msdos.djgpp
> Date: Fri, 20 Oct 2000 22:21:44 -0400
> 
> Turning on the optimizer with the -O3 switch is exactly what you want to do.

Not necessarily: in many cases -O3 makes the program slower,
especially with the small cache sizes a 486 usually has.

> and when you link, use the -s switch.

????  The -s switch has no effect whatsoever on how the code runs.

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