[Mageia-dev] i686 must be Pentium II ?

patrice.brunelle at free.fr patrice.brunelle at free.fr
Tue Sep 21 10:24:30 CEST 2010

2010/9/20 Olivier FAURAX < olivier at faurax.fr > 

>>Le 20/09/2010 21:14, Florian Hubold a écrit : 
>>> AFAIK mandriva packages are not optimized/built for i686 
>>> (anything above Pentium Pro) but for i586. And i suppose 
>>> that's not gonna change. 
>>If I remember well, the long i586/i686 debate on cooker has been 
>>terminated with 2 facts : there are no massive improvements on software 
>>X (I don't remember which one) and we have to keep compatibility with 
>>some netbooks (OEM with mandriva). 
>>If mageia doesn't target these netbooks and if you can show real 
>>improvement, I think this can be discussed. 
>>Have a nice day 
>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? 
>For some programs, there is a significant boost in using sse/sse2 (for instance the mlt library, povray >rendering, etc). 
>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... 

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.

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