Date: Tue, 23 May 2000 14:03:44 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Dieter Buerssner <buers AT gmx DOT de>
cc: djgpp AT delorie DOT com
Subject: Re: windows version of Crafty
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On 23 May 2000, Dieter Buerssner wrote:

> >What about these?
> >  -O3 -mpentium -ffast-math -fomit-frame-pointer
> 
> I tried those (without -ffast-math, which is not useful for a chess
> program.) The -O3 will slow down crafty, due to excess inlining of 
> functions.

Right.  In my experience, compiling chess programs with -O3 will almost 
invariably slow them down, because their main loop tends to be very 
large.  -O3 is for small, localized loops and functions.