Re: [Condor-users] parallel jobs on a single machine with double core

[Mark Calleja <M.Calleja@xxxxxxxxxxxxxxx>]

Hi Diana,

You can use the ParallelSchedulingGroup tag to stop your job from 
fragmenting onto different machines, e.g. the following in an execute 
machine's condor_config.local file should achiueve this:

ParallelSchedulingGroup     = "$(HOSTNAME)"
DedicatedScheduler          = "DedicatedScheduler@xxxxxxxxxxxxxxxxxxxxxxxxxx"
STARTD_EXPRS                = $(STARTD_EXPRS), DedicatedScheduler, ParallelSchedulingGroup 
RANK                        = Scheduler =?= $(DedicatedScheduler)


Fuller documentation and an example using MPICH2 for our Condor 
environment can be found at 
http://www.escience.cam.ac.uk/projects/camgrid/mpi.html.

Cheers,
Mark

Diana Lousa wrote:
> Hello
> I would like to know if it is possible - when running a parallel job,
> using condor parallel universe - to define that you want the job to run
> on a single machine (with multiple processors). To be more specific, I
> have a cluster with several multiprocessors and I want my job to be
> split by the processors of a single machine.
>
> Thanks in advance
>
> Diana Lousa
> PhD Student
> Instituto de Tecnologia Química e Biológica (ITQB)
> Universidade Nova de Lisboa
> Avenida da República, EAN
> Apartado 127
> 2780-901 Oeiras
> Portugal 
>
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