Hello !
I found a new version of my tool which supports multi-threading but also
MPI or OPENMPI for more additional processes.
I'm kinda new to MPI with SGE. What would be the good command for qsub
or config inside a job file to ask SGE to work with 2 MPI processes|?
Will the following code work in a SGE job file?
#$ -pe mpi 2
That's supposed to make job work with 2 processes instead of 1.
Regards,
Guillermo.
|El 22/10/2012 17:19, Reuti escribió:
Am 22.10.2012 um 16:31 schrieb Guillermo Marco Puche:
I'm using a program where I can specify the number of threads I want to use.
Only threads and not additional processes? Then you are limited to one node,
unless you add something like http://www.kerrighed.org/wiki/index.php/Main_Page
or http://www.scalemp.com to get a cluster wide unique process and memory space.
-- Reuti
I'm able to launch multiple instances of that tool in separate nodes.
For example: job_process_00 in compute-0-0, job_process_01 in compute-1 etc..
each job is calling that program which splits up in 8 threads (each of my nodes
has 8 CPUs).
When i setup 16 threads i can't split 8 threads per node. So I would like to
split them between 2 compute nodes.
Currently I've 4 compute nodes and i would like to speed up the process setting
16 threads of my program splitting between more than one compute node. At this
moment I'm stuck using only 1 compute node per process with 8 threads.
Thank you !
Best regards,
Guillermo.
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