[torqueusers] Torque and MPI jobs
trach-minh.tran at epfl.ch
Sun Nov 12 00:19:19 MST 2006
In your example, you should first start the mpd on the 4 nodes
mpdboot -n 4 -f $PBS_NODEFILE
After that, to use all the 16 processors on your 4 nodes, just
mpiexec -n 16 <executable> ...
On 11/10/2006 02:49 AM, Anna Jonna Armannsdottir wrote:
> this is about Torque and MPICH2.
> I am writing a pbs job description that
> starts MPI jobs on a number of machines.
> The pbs script specifies 4 nodes with
> 4 processors each and generates a
> PBS_NODEFILE that looks like this
> However, the mpiexec needs a file like this
> So I wrote a little script that does this.
> So far so good. When the mpdboot starts,
> it ignores one of the nodes and uses the
> masternode instead and refuses to start
> more than 13 processes.
> There must be someone that has solved this. :)
Dr. Trach-Minh Tran
Swiss Federal Institute of Technology
Tel: +41 21 693 4569
Fax: +41 21 693 5176
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