[Beowulf] AMD 6100 vs Intel 5600

Peter Kjellstrom cap at nsc.liu.se
Thu Apr 1 00:59:10 PDT 2010

On Thursday 01 April 2010, Kilian CAVALOTTI wrote:
> On Wed, Mar 31, 2010 at 10:51 PM, Bill Broadley <bill at cse.ucdavis.edu> 
> >> I would say that the 2x6-cores Magny-Cours probably has to be compared
> >> to Nehalem-EX.
> >
> > Why?
> Maybe first because that's where the core spaces from AMD and Intel
> intersect (8-cores Beckton and 8-cores Magny-Cours). I'm not sure it's
> really significant to compare performance between a 6-cores Westmere
> and a 12-cores Magny-Cours. I feel it makes more sense to compare
> apples to apples, ie. same core count.

I'm not convinced, is the number of cores more important that agg. performance 
and price? Also, if you turn on SMT/HT on a 6-core westmere it may appear 
very similar to a 12-core Magnycour (performance, appearance, price, ...).

My experience is that in HPC it always boils down to price/performance and 
that would in my eyes make apples out of Magnycour and Westmere.

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