On Thu, Apr 30, 2009 at 7:28 AM, Paolo Giannozzi <giannozz at democritos.it>wrote:
> > On Apr 30, 2009, at 10:13 , Gabriele Sclauzero wrote: > > > I think you can use this parallelization level even on a cluster, > > so that you do not have to do modes and irreps sequentially, > > but you can split them in concurrently running (multiprocessor) > > jobs so that you-ll have an actual speed-up. > > sure, but it is currently not implemented in a MPI framework: > it has to be done "by hand". It isn't difficult to implement it, > using the "image group", though. > > > Or are you forced to use a single processor in order to exploit > > this start_q, last_q,... keywords? > > no, I don't think so, or if so, it can be easily fixed > > Paolo > --- > Paolo Giannozzi, Democritos and University of Udine, Italy > > Can single-q, single-mode calculation run in several nodes. If so, memory may be not a problem even for system with several hundreds atoms. Thank you very much. All these information are very helpful. I will try the latest versions of CVS. Zhongqing > > _______________________________________________ > Pw_forum mailing list > Pw_forum at pwscf.org > http://www.democritos.it/mailman/listinfo/pw_forum > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.democritos.it/pipermail/pw_forum/attachments/20090430/5ed0adcd/attachment.htm