On Wednesday 06 August 2003 19:32, Robert Young wrote:
> "Hemmann, Volker Armin" wrote:
> > On Wednesday 06 August 2003 18:10, Robert Young wrote:
> > > I was told this CPU was an XP by my vendor. Why does it not say in the
> > > model name that it is an XP see cat cpuinfo bellow.
> > >
> > > It is currently running redhat and I would like to install Gentoo on it
> > > but I am wondering which optimization flags I should use?
> > >
> > > I was hoping
> > >
> > >
> > > CHOST="i686-pc-linux-gnu"
> > > CFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"
> > > CXXFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"
> > >
> > > would be safe and
> >
> > -O2 is safe.
> >
> > > CFLAGS="-march=athlon-xp -m3dnow -msse -mfpmath=sse -mmmx -O3
> > > -pipe -fforce-addr -fomit-frame-pointer -funroll-loops
> > > -frerun-cse-after-loop
> > > -frerun-loop-opt -falign-functions=4 -maccumulate-outgoing-args
> > > -ffast-math
> > > -fprefetch-loop-arrays"
> > > CXXFLAGS="${CFLAGS}"
> >
> > is simply mad. Read man gcc
>
> http://www.freehackers.org/gentoo/gccflags/flag_gcc3opt.html
>only because it is on a website does not make it true. read man gcc. Read the warning, Think about the flags again. I suffered enough. Thank you. > I believe my FSB speed is configurable (In the BIOS). Are you saying if I > increase it to 133 cat cpuinfo | grep modelname will give me "model name > > : AMD Athlon(tm) XP 1900+" or something similar? yes. My AMD Athlon XP 2000+ was an Athlon Xp 1600, 1500 or Athlon 1200, with different FSBs Gl�ck Auf Volker -- [EMAIL PROTECTED] mailing list
