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Re: MPI problem?

From: Andreas Härtel
Subject: Re: MPI problem?
Date: Wed, 26 Feb 2020 14:38:08 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

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,

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.


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
Phone: +49 761 203-97783
Email: address@hidden
Web page:

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