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Date:      Fri, 31 Aug 2007 20:58:01 -0300
From:      JoaoBR <>
Cc:        =?iso-8859-1?q?Bj=F6rn_K=F6nig?= <>
Subject:   Re: Adding k9 and k10 to
Message-ID:  <>
In-Reply-To: <>
References:  <-3502020561049594852@unknownmsgid> <> <>

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On Friday 31 August 2007 16:42:44 David O'Brien wrote:
> On Fri, Aug 31, 2007 at 08:58:57PM +0200, Bjrn Knig wrote:
> > Bj=F6rn K=F6nig wrote:
> > >> Intel's first Pentium 4 with SSE3 is called "prescott". We could use
> > >> "venice" analogously to represent SSE3-capable Athlon64 CPUs.
> >
> > David O'Brien wrote:
> > > No!  NO!  AMD core names does not mean the same as Intel ones.
> > > Look folks, there is a clear way for this - the CPUID family.
> >
> > Pentium 4 processors before Prescott belong to family 15. Prescott and
> > recent Pentium 4 processors still use 15 as family ID. If I understand
> > you correctly then there should be no distinction between these
> > processors because they have the same family ID, but there is one in
> > because of SSE3.
> Not quite.  CPUID Family is vendor-specific.  The Family value for Intel
> cannot be compared with the meaning of Family for AMD (or VIA).
> AMD bumps the CPUID Family value for each new major architecture
> generation.  I have no idea what's the meaning of "Family" by Intel.

 well ...

people 'kind of familiarly' with reading manuals and specs are already havi=
difficulties here so imagin an average user (unkndefspec) who likes to=20
optimize his kernel (his cpu's kernel of course :) )=20

so as far as there are a cpu options for a freebsd kernel they should be=20
understandable so it might be worse thinking well before doing (=3Dless sup=
=3D less questions =3D less problemas)



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