Message-ID: <3323E7B7.6D3A@eik.bme.hu>
Date: Mon, 10 Mar 1997 11:51:35 +0100
From: "DR. Andras Solyom" <solyom AT eik DOT bme DOT hu>
Reply-To: solyom AT eik DOT bme DOT hu
MIME-Version: 1.0
To: djgpp <djgpp AT delorie DOT com>
Subject: Re: Re: Interesting benchmark results
References: <Pine DOT SUN DOT 3 DOT 91 DOT 970309180414 DOT 26812U-100000 AT is>
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Eli Zaretskii wrote:
> 
> On Fri, 7 Mar 1997, DR. Andras Solyom wrote:
> 
> > System                        rel. speed (higher numbers are better)
> > ....................................................................
> > Pentium 100, Win95, DJGPP2, -O         46.3
> >                             -O3        45   (slower ?? )
> >              DOS6.22        -O         49
> >                             -O3        49.9
> > RISC 6000, AIX, XLC         -O         48
> 
> I wonder why people always jump right to -O3, bypassing -O2?  More is
> not always better, I have seen many times a program that got slower by
> -O3 relative to -O2.  It would be interesting to see how that
> benchmark performs with -O2.

Under Win95 with -O2 it was 45.5
with   AIX  and -O2  it is  48.1
> 
> > And it is very
> > impressive that my PC with DJGPP can be as fast or faster than our
> > workstations...
> 
> What clock speed does that IBM 6000 have?
I could not find any info on this. All I know is that it uses a Power PC
processor.
			Andras