On Mon, Mar 19, 2012 at 1:38 PM, Paolo Giannozzi <giannozz at democritos.it> wrote: > On Mon, 2012-03-19 at 15:05 +0000, Elie M wrote: > >> I am doing parallel computing on 3 nodes each with 8 processors >> which is a total of 24 processors; this is why I am surprised >> ?that the calculation is slow > > there are two different aspects here: > - how fast the algorithm is, and > - how effective the parallelization is.
you forgot. how well can the available hardware handle the calculation (RAM, network speed, I/O speed, load from other users). axel. > What are we talking about? > > P. > > -- > Paolo Giannozzi, IOM-Democritos and University of Udine, Italy > > > _______________________________________________ > Pw_forum mailing list > Pw_forum at pwscf.org > http://www.democritos.it/mailman/listinfo/pw_forum -- Dr. Axel Kohlmeyer akohlmey at gmail.com ?http://goo.gl/1wk0 College of Science and Technology Temple University, Philadelphia PA, USA.
