[CPMD-list] CPMD on HP

[Juerg Hutter]

Hi

you will get the best performance using the MPI
version (PARALLEL preprocessor), as long as the
computer is dedicated to one single job. If you have
to share the machine, several serial jobs or jobs
using the OpenMP directives will be better.



----------------------------------------------------------
Juerg Hutter                   Phone : ++41 1 635 4491
Physical Chemistry Institute   FAX   : ++41 1 635 6838
University of Zurich           E-mail: hutter at pci.unizh.ch
Winterthurerstrasse 190
CH-8057 Zurich, Switzerland
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On Sat, 22 Mar 2003, Sergey wrote:

>
> Dear CPMD users,
>
> I have HP machine (True64 Unix OS) with 4 processors. What is better: compile with PARALLEL preprocessor flag or compile with OpenMP flags ?
>
> Thanks.
> Best wishes.
> Sergey
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