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<H1>[Mageia-dev] i686 must be Pentium II ?</H1>
<B>patrice.brunelle at free.fr</B>
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TITLE="[Mageia-dev] i686 must be Pentium II ?">patrice.brunelle at free.fr
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<I>Tue Sep 21 10:24:30 CEST 2010</I>
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<PRE>2010/9/20 Olivier FAURAX < <A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">olivier at faurax.fr</A> >
>><i>Le 20/09/2010 21:14, Florian Hubold a écrit :
</I>>><i>
</I>>>><i> AFAIK mandriva packages are not optimized/built for i686
</I>>>><i> (anything above Pentium Pro) but for i586. And i suppose
</I>>>><i> that's not gonna change.
</I>>><i>
</I>>><i>If I remember well, the long i586/i686 debate on cooker has been
</I>>><i>terminated with 2 facts : there are no massive improvements on software
</I>>><i>X (I don't remember which one) and we have to keep compatibility with
</I>>><i>some netbooks (OEM with mandriva).
</I>>><i>
</I>>><i>If mageia doesn't target these netbooks and if you can show real
</I>>><i>improvement, I think this can be discussed.
</I>>><i>
</I>>><i>Have a nice day
</I>>><i>
</I>>><i>
</I>><i>
</I>><i>Well, since we are *not* that linked to Mandriva, we could avoid this problem by producing a netbook >edition if needed. Why restricting our work to i586/x86-64?
</I>><i>
</I>><i>For some programs, there is a significant boost in using sse/sse2 (for instance the mlt library, povray >rendering, etc).
</I>><i>
</I>><i>I've enabled them explicitly in mandriva some time ago in the x86-64 build, and it should be the >default there. If some arch do not comply to the "sse2" demand, then we can discuss this on a "specific >basis, but not limit everyone on this...
</I>><i>
</I>><i>Stef
</I>
Wikipedia says that X86_64 include SSE/SSE2. All the new processors are 64 bits. So I don't think it is necessary to change i586 to i686. 32 bits platform will die soon. Also it is more important to keep more compatibility for 32 bits.
--
Patrice BRUNELLE
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