|Re: [eigen] No sse3/4 on AMD Phenom II?|
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I confirm that sse3 is displayed as 'sni' in cpuinfo. I have a very similar processor, maybe the same (phenom II X4 620), and i have no problem when i enable sse3 (and sse4a, but i dont if this is really used?). Never had a illegal instruction runtime error.
Thomas Capricelli <orzel@xxxxxxxxxxxxxxx>
In data venerdì 09 luglio 2010 22:44:00, Manoj Rajagopalan ha scritto:
> I just bought two machines with AMD Phenom II X4 black processors that are
> supposed to be SSE3 and SSE4a capable but 'cat /proc/cpuinfo' shows only sse,
> sse2 and ssse3. Also, compiling eigen programs with -msse3 flags (GCC)
> results in illegal instruction runtime errors.