2009/9/25 Deji Akingunola
>
> Actually the atlas x86_64 package is using SSE3 by default. I believe
> SSE3 is the least common denominator for the x86_64 cpus. And yes,
> whatever is determined for the x86_32 situation will also apply for
> SSE4* for x86_64.
>
> Deji
>
Ok, this obviously means that AMD64 processors based upon the cores
Sledgehammer (steppings C0, CG) and Clawhammer (stepping CG) will report
illegal operations because they do not support SSE3, only cores from San
Diego (stepping E4) on. Thus, it looks like there is actually a need for
distinct packages
atlas.x86_64 < atlas-sse3.x86_64 [ < atlas -sse4.x < .. ]
All not that obvious after all ..
~C
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