Re: [ESPResSo-users] running espresso on more than one processor

[Olaf Lenz]

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Hi!

On 06/19/2012 08:26 AM, Tarun Khanna wrote:
> I am using a IBM SYSTEM X3650 M3 6 core processor to run my 
> simulation program but having problem in using all 6 CPU'S, every 
> time its its using only 1 CPU, i am using the following command to
>  run it with 6 processors: ./Espresso <filename> [config ...] -np,
> so please help me with the problem.

ESPResSo doesn't know how to run anything in parallel on your machine,
but you have to call the program in parallel. How this is done depends
on your machine and MPI implementation. You should stand a good chance
that the command

  mpiexec -n 6 ./Espresso <filename> [config ...]

works.

If it doesn't you should ask somebody who knows how to run MPI programs
on your machine.

If you need more help, you should specify the following in the next
mailing:
* What version of ESPResSo are you using?
* What implementation of MPI are you using?

The easiest way to provide us with this information would be to send us
the file config.log from your build directory that was created when
running "configure".

Olaf
- -- 
Dr. rer. nat. Olaf Lenz
Institut für Computerphysik, Pfaffenwaldring 27, D-70569 Stuttgart
Phone: +49-711-685-63607
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