Dear Lorenzo, Thanks for your comments. I will go and have a look at it. If I have any further questions, I'll post it to PWSCF forum again.
Trinh -----Original Message----- From: pw_forum-bounces at pwscf.org [mailto:[email protected]] On Behalf Of Lorenzo Paulatto Sent: Thursday, February 26, 2009 2:04 PM To: PWSCF Forum Subject: Re: [Pw_forum] Insufficient Virtual Memory On Gio, Febbraio 26, 2009 21:23, Vo, Trinh wrote: > 512 H2O with 4cores/node, Dear Trinh Vo, to be honest, I don't think you have much chance to run a system with ~3500 electrons on 78 processors with only 1GB of RAM/processor. You may try using half the processors and 2GB each (leaving half of them idle), but this will probably take a painfully long time. My suggestion is to have a look at two recent threads from the mailing list archives: "PW taskgroups and a large run on a BG/P" and "Trying to find reasonable parallelization parameters" where the problem of computing large systems have been discussed extensively. regards -- Lorenzo Paulatto SISSA & DEMOCRITOS (Trieste) phone: +39 040 3787 511 skype: paulatz www: http://people.sissa.it/~paulatto/ ---------------------------------------------------------------- SISSA Webmail https://webmail.sissa.it/ Powered by SquirrelMail http://www.squirrelmail.org/ _______________________________________________ Pw_forum mailing list Pw_forum at pwscf.org http://www.democritos.it/mailman/listinfo/pw_forum
