[Pw_forum] multi core Vs Single core

[Giovanni Cantele]

ambavale sagar wrote:
>
> Is multi (quad) core processor more efficient than single core for our 
> abinitio calculations? How efficiently multi-threading is done while 
> working with serial version of code on multicore machine?
>
> Thanx.
>
>  
>
> Sagar K. Ambavale
>
> PhD student,
>
> The M.S. University of Baroda,
>
> India
>
>
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dual core helps, quad core could give a negligible improvement with 
respect to dual core.
Much can depend on your input, namely, the size of the system you are 
dealing with, I think.

By the way, you can have a look to previous posts in the forum:

http://www.democritos.it/pipermail/pw_forum/2006-August/004650.html
http://www.democritos.it/pipermail/pw_forum/2006-December/005595.html
http://www.democritos.it/pipermail/pw_forum/2007-November/007707.html


Giovanni

-- 



Dr. Giovanni Cantele
Coherentia CNR-INFM and Dipartimento di Scienze Fisiche
Universita' di Napoli "Federico II"
Complesso Universitario di Monte S. Angelo - Ed. 6
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E-mail: giovanni.cantele at cnr.it
        giovanni.cantele at na.infn.it
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