2015-10-09 9:40 GMT+02:00 Lisandro Dalcin <dalc...@gmail.com>:
> On 8 October 2015 at 14:54, simona bellavista <afy...@gmail.com> wrote:
> >
>
> >>
> >> I cannot figure out how spawn would work with a string-command. I tried
> >> MPI.COMM_SELF.Spawn(cmd, args=None,maxproc=4) and it just hangs
> >
>
> MPI.COMM_SELF.Spawn("/bin/echo", args=["Hello",
> "World!"],maxprocs=1).Disconnect()
>
> Could you try the line above and confirm whether it hangs?
>
I have tried the line above and it hangs
> >
> > I couldn't figure out how to run Spawn with a string-like command, in
> fact
> > the command that I want to run varies for each processor.
>
> Use maxprocs=1 and make different spawn calls.
>
> However, I have to insist. If you are using mpi4py as a tool to spawn
> a bunch of different processes that work in isolation and then collect
> result at the end, then mpi4py is likely not the right tool for the
> task, at least if you do not have previous experience with MPI
> programming.
>
> Well, I don't have a big experience in MPI programming, but I do use and
modify existing MPI codes, and I thought MPI would be easiest choice.
Clustershells looks a bit an overshoot for the goal I would like to
achieve. What shall I use instead? Shall I try multiprocessing module?
> --
> Lisandro Dalcin
> ============
> Research Scientist
> Computer, Electrical and Mathematical Sciences & Engineering (CEMSE)
> Numerical Porous Media Center (NumPor)
> King Abdullah University of Science and Technology (KAUST)
> http://numpor.kaust.edu.sa/
>
> 4700 King Abdullah University of Science and Technology
> al-Khawarizmi Bldg (Bldg 1), Office # 4332
> Thuwal 23955-6900, Kingdom of Saudi Arabia
> http://www.kaust.edu.sa
>
> Office Phone: +966 12 808-0459
> _______________________________________________
> users mailing list
> us...@open-mpi.org
> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users
> Link to this post:
> http://www.open-mpi.org/community/lists/users/2015/10/27853.php
>
