Hello Markus,
I have attached such a job. You need to compile it with mpicc. That's
all.
Cheers,
Ron
> -----Original Message-----
> From: LHC Computer Grid - Rollout
> [mailto:[log in to unmask]] On Behalf Of Markus Schulz
> Sent: woensdag 23 maart 2005 18:18
> To: [log in to unmask]
> Subject: Re: [LCG-ROLLOUT] MPI
>
> Hi,
> I think that this is a good idea, in the past we didn't do
> this because
> LCG didn't officially support MPI, with our EGEE view now we
> should test the sites that publish their ability to run MPI.
>
> Could you help us out with a small example job that we could add as an
> extra test?
>
>
> markus
>
>
>
> On Mar 23, 2005, at 5:12 PM, Ron Trompert wrote:
>
> > Hi Piotr,
> >
> > A user has reported problems running MPI jobs at several sites while
> > his
> > job ran perfectly fine at other sites. I ran MPI jobs as well at the
> > culprit sites and got the same errors. I suspect it has to
> do with the
> > fact the home directories of the poolaccounts should be
> shared between
> > CE and WNs for MPI jobs but aren't at those sites. (Although these
> > sites
> > advertise that they can run MPI jobs)
> >
> > Would it be an idea to include a simple MPI job in your test suite
> > especially for sites claiming to be able to run MPI jobs. Such a job
> > should be able to run on something like 4 CPUs to catch
> > badly-configured
> > sites having dual-CPU nodes.
> >
> > Best regards,
> >
> > Ron
> >
> >
>
> **************************************************************
> **********
> *******
> Markus Schulz
> CERN IT
>
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