[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [ESPResSo-users] Running in Parallel.

From: Rudolf Weeber
Subject: Re: [ESPResSo-users] Running in Parallel.
Date: Tue, 23 Jan 2018 16:42:31 +0100
User-agent: Mutt/1.5.24 (2015-08-30)

On Tue, Jan 23, 2018 at 03:11:44PM +0000, Rhys Goodall wrote:
> Hello,
> I've made a remote install of Espresso on a centrally managed system, after
> many trials and tribulation we've managed to configure the right environment
> to get it to compile. However when I run the same python script that i've
> tested locally (also in parallel) I get an error saying:
> Executing command:
> ==================
> mpirun -npernode 2 -np 2 /home/reag2/espresso2/build/pypresso
> ~/
> --------------------------------------------------------------------------
> An MPI process has executed an operation involving a call to the
> "fork()" system call to create a child process.  Open MPI is currently
> operating in a condition that could result in memory corruption or
> other system errors; your MPI job may hang, crash, or produce silent
> data corruption.  The use of fork() (or system() or other calls that
> create child processes) is strongly discouraged.
> The process that invoked fork was:
>   Local host:          cpu-e-50 (PID 440257)
>   MPI_COMM_WORLD rank: 0
> If you are *absolutely sure* that your application will successfully
> and correctly survive a call to fork(), you may disable this warning
> by setting the mpi_warn_on_fork MCA parameter to 0.
> --------------------------------------------------------------------------
> Traceback (most recent call last):
>   File "/home/reag2/", line 78, in <module>
>     system.non_bonded_inter.set_force_cap(lj_cap)
> AttributeError: 'espressomd.interactions.NonBondedInteractions' object has
> no attribute 'set_force_cap'
Is this with the current "python" branch from
If not, please use that. 
In the current code, the forcecap is an attribute of the system class.

Hope that helps!
Regards, Rudolf


Dr. Rudolf Weeber
Institute for Computational Physics
Universit├Ąt Stuttgart
Allmandring 3
70569 Stuttgart
Phone: +49(0)711/685-67717
Email: address@hidden

reply via email to

[Prev in Thread] Current Thread [Next in Thread]