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Re: mpirun octave hangs


From: c.
Subject: Re: mpirun octave hangs
Date: Thu, 8 May 2014 13:51:29 +0200

On 7 May 2014, at 19:15, Michael Creel <address@hidden> wrote:

> Ah, perhaps I see now. The mpi package for Octave is not used interactively.
> You need to use something like:
> 
> address@hidden:~$ mpirun -np 3 octave -q --eval "MPI_Init;
> COMM=MPI_Comm_Load('NEWORLD'); node=MPI_Comm_rank(COMM); printf('hello from
> %d\n', node); MPI_Finalize"
> 
> the output of which is
> 
> hello from 0
> hello from 1
> hello from 2
> ans = 0
> ans = 0
> ans = 0
> address@hidden:~$ 
> 
> There was a package called MPITB which worked interactively, which was quite
> neat. That is out of date for modern Octaves, though.
> 

Michael,

I don't think that's what the Original Poster is asking about, he says 
'I'm using octave for MPI calculations, using wrappers to the mpi 
routines that I wrote myself.' so the "mpi" package from Octave forge is 
not involved here.

c. 


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