"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
>
>
> > Thanks in advance.
> >
> > This is my cat cpuinfo
> >
> > [EMAIL PROTECTED] proc]# cat cpuinfo
> > processor : 0
> > vendor_id : AuthenticAMD
> > cpu family : 6
> > model : 6
> > model name : AMD Athlon(tm) Processor
> > stepping : 2
> > cpu MHz : 1110.953
> > cache size : 256 KB
> > fdiv_bug : no
> > hlt_bug : no
> > f00f_bug : no
> > coma_bug : no
> > fpu : yes
> > fpu_exception : yes
> > cpuid level : 1
> > wp : yes
> > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> > mca cmov
> > pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
> > bogomips : 2215.11
> >
> >
> > I was expecting something more like this
> >
> >
> > cat /proc/cpuinfo:
> >
> > processor : 0
> > vendor_id : AuthenticAMD
> > cpu family : 6
> > model : 6
> > model name : AMD Athlon(tm) XP 1800+
> > stepping : 2
> > cpu MHz : 1533.411
> > cache size : 256 KB
> > fdiv_bug : no
> > hlt_bug : no
> > f00f_bug : no
> > coma_bug : no
> > fpu : yes
> > fpu_exception : yes
> > cpuid level : 1
> > wp : yes
> > flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca
> > cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext
> > 3dnow
> > bogomips : 3060.53
>
> yeah. I bet you have a fsb of 100MHZ.
> XP needs an FSB of 133MHZ.
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?
>
>
> Glück Auf,
> Volker
>
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