Giovanni Cantele wrote: > Marino Vetuschi Zuccolini wrote: > >> Dear Giovanni, >> I'm testing our system with more or less the same configuration. Can >> you send me the input you used in testing your cluster? >> >> Many thanks. >> >> m. >> >> > warning: k point list just for testing purposes (I just tried to get > those specific numbers > of k-points) > > > > Please let me know your the results of your tests, I would be curious to > compare with mines. > > Giovanni >
sorry, due to too many blanks in the files, they are badly displayed in the e-mail I sent. I'm resending them again, in attachment, with blanks removed! Sorry for duplicating the message. Giovanni > > > >> On 6 Mar 2009, at 18:15, Giovanni Cantele wrote: >> >> >> >>> Dear all, >>> >>> I just finished some timing tests relative to QE, stimulated by recent >>> discussions in this forum. >>> I would like to share these tests, and ask a couple of simple (?) >>> questions. >>> >>> Up to now, even if not supported by systematic tests, my feeling has >>> been that >>> for the kind of runs I'm doing on the kind of cluster(s) I'm using, >>> the >>> following rules hold: >>> >>> i) if using a relatively "small" number of CPUs, pools are rather >>> ineffective, I often realized that >>> using pools actually increased job execution time >>> >>> ii) diagonalization parallelism (-ndiag XX) is ineffective as well >>> >>> iii) version 3.2.3 is "better" than 4.0.4 >>> >>> >>> >> ... >> >> ******************************************************* >> Marino Vetuschi Zuccolini >> zucco at dipteris.unige.it >> Researcher / Geochemist >> Laboratory of Geochemistry >> >> DIPartimento per lo studio della TErra e delle sue RISorse - >> Universit? di Genova >> Tel. ++39 010 3538136 Fax. ++39 010 352169 >> Corso Europa 26, 16132 - Genova - Italy >> >> >> _______________________________________________ >> Pw_forum mailing list >> Pw_forum at pwscf.org >> http://www.democritos.it/mailman/listinfo/pw_forum >> >> >> > > > -- Dr. Giovanni Cantele Coherentia CNR-INFM and Dipartimento di Scienze Fisiche Universita' di Napoli "Federico II" Complesso Universitario di Monte S. Angelo - Ed. 6 Via Cintia, I-80126, Napoli, Italy Phone: +39 081 676910 Fax: +39 081 676346 E-mail: giovanni.cantele at cnr.it giovanni.cantele at na.infn.it Web: http://people.na.infn.it/~cantele Research Group: http://www.nanomat.unina.it -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: 1a--graphene_4x4_ecut40_ecutrho320_32kpt.scf.in Url: http://www.democritos.it/pipermail/pw_forum/attachments/20090309/55c869f0/attachment-0001.txt -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: 1a--graphene_4x4_ecut40_ecutrho320_64kpt.scf.in Url: http://www.democritos.it/pipermail/pw_forum/attachments/20090309/55c869f0/attachment-0001.asc
