Paolo, thanks for the answer and sorry if it was not the place to ask it. I did it because my system manager strongly suggested me to ask this in the forum...
Thanks anyway for the suggestions Verónica On Fri, Jun 3, 2016 at 2:43 PM, Paolo Giannozzi <[email protected]> wrote: > Veronica, please: it's your system manager that must explain to you > what is not right and why and how to have i right. Nobody can tell you > anything sensible without knowing what is the problem, which machine > you have, how you compiled QE, which version of QE you run, and how > you run it. > > Paolo > > On Fri, Jun 3, 2016 at 7:22 PM, veronica sanchez > <[email protected]> wrote: > > Hi, > > > > I received an alert for the system manager of the cluster here due to the > > excess of the system CPU consumption of the jobs I am running using the > QE > > code. As far as I understand it is running not in the best way and > > calculation may be slower than it should be. > > > > I will set the OMP_NUM_THREADS to 1 and look at the system CPU behavior. > I > > will let know the result. > > > > Thank you very much for the answers, > > > > Verónica > > > > > > > > On Fri, Jun 3, 2016 at 12:46 PM, Suchit <[email protected]> wrote: > >> > >> Hi Veronica, > >> Setting the number of threads to 1 will help and I recently found myself > >> that on my system the calculations were running much slower at the > default > >> value for OMP_NUM_THREADS. In addition, you should also make sure that > >> you're specifying good parallelization parameters. The web-page below > >> provides some tips and also some symptoms of less than ideal > parellization. > >> Hope this helps! > >> > >> > >> > http://www.quantum-espresso.org/wp-content/uploads/Doc/pw_user_guide/node18.html > >> > >> Best Regards, > >> --Suchit > >> > >> _______________________________________________ > >> Pw_forum mailing list > >> [email protected] > >> http://pwscf.org/mailman/listinfo/pw_forum > > > > > > > > > > -- > > Dra. Verónica M. Sánchez > > CSC-CONICET > > Godoy Cruz 2390 > > 1425 Ciudad de Buenos Aires > > Argentina > > Tel 54 11 4899 5500 ext 5616 > > > > _______________________________________________ > > Pw_forum mailing list > > [email protected] > > http://pwscf.org/mailman/listinfo/pw_forum > > > > -- > Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche, > Univ. Udine, via delle Scienze 208, 33100 Udine, Italy > Phone +39-0432-558216, fax +39-0432-558222 > > _______________________________________________ > Pw_forum mailing list > [email protected] > http://pwscf.org/mailman/listinfo/pw_forum > -- Dra. Verónica M. Sánchez CSC-CONICET Godoy Cruz 2390 1425 Ciudad de Buenos Aires Argentina Tel 54 11 4899 5500 ext 5616
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