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Re: MPI problem?


From: Steffen Hirschmann
Subject: Re: MPI problem?
Date: Thu, 27 Feb 2020 10:16:21 +0100

Hi Andreas,

does this warning also occur if you don't "import espressomd" and just 
mpiexec pypresso with that print statement or an empty script?

Greetings,
Steffen

On 14:38 Wed 26 Feb     , Andreas Härtel wrote:
> I have to add a note:
> adding particles is extremely slow: 13000 particles can take hours.
> Maybe - hopefully - this is related ...
> 
> Thanks and best regards,
> Andreas
> 
> 
> 
> On 26.02.20 10:32, Steffen Hirschmann wrote:
> > Hi Andreas,
> > 
> > On 14:40 Tue 25 Feb     , Andreas Härtel wrote:
> > > [...]
> > > An MPI process has executed an operation involving a call to the
> > > "fork()" system call to create a child process.
> > > [...]
> > do you manually start a new process from the Python simulation script?
> > E.g. using os.system(), the modules subprocess or multiprocessing?
> > It would be beneficial if you could post the simulation script to the
> > mailing list.
> > 
> > Greetings,
> > Steffen
> > 
> 
> -- 
> Dr. Andreas Härtel
> Albert-Ludwigs-Universität Freiburg (University of Freiburg)
> SOΦT - Statistical Physics of Soft Matter and Complex Systems
> Physikalisches Institut (Institute of Physics)
> Hermann-Herder-Straße 3, Hochhaus
> Room 407
> 79104 Freiburg
> Germany
> Phone: +49 761 203-97783
> Email: address@hidden
> Web page: http://andreashaertel.anno1982.de/

-- 
Steffen Hirschmann, M.Sc.
Dept. Scientific Computing
IPVS, University of Stuttgart
Tel. 0711/685 88223




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