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
> 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.
Gl�ck Auf,
Volker
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