[gmx-users] Re: parallel in duals?

[Jones de Andrade]

Hi David.

Well, it wasn't me who did the test. :)

My problem is that I cannot try it; I rather have to choose what to
buy: extra cores, or extra clock frequency?

Does anybody have an advise on this subject?

Thank you all...

Jones

On 8/1/06, David van der Spoel <spoel at xray.bmc.uu.se> wrote:
> Jones de Andrade wrote:
> > Ok, I know this subject have been discussed in the past.
> >
> > But I started to wander if the basic conclusion (do not use in parallel,
> > you should rather use on job for each core) is still up, and if it is,
> > if there is any hope of change in a foresight future, as well on how
> > much real loss is observed from running one process in parallel when
> > compared to two at the same time.
> Just try it and you know. Somone reported good performance with
> hyperhtreading recently (was it you?)
>
> >
> > I'm wondering about this subject due to the arise of the core 2 duo, as
> > well the expected quad cores from amd and intel and the, semmingly
> > "affordable", dual processor motherboards from AMD for both dual and
> > quad-cores.
> >
> > Thanks you all,
> >
> > Jones
> >
> >
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> --
> David.
> ________________________________________________________________________
> David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
> Dept. of Cell and Molecular Biology, Uppsala University.
> Husargatan 3, Box 596,  	75124 Uppsala, Sweden
> phone:	46 18 471 4205		fax: 46 18 511 755
> spoel at xray.bmc.uu.se	spoel at gromacs.org   http://folding.bmc.uu.se
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