Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2007-04-23 12:53:19

On Apr 22, 2007, at 8:46 PM, Mostyn Lewis wrote:

> More information.
> --mca mpi_paffinity_alone 0

Can you describe how you're verifying that the process is actually

> May I ask I question about the code, which I scanned.
> I see in ompi/runtime/ompi_mpi_params.c you do a:
> mca_base_param_reg_int_name("mpi", "paffinity_alone",
> "If nonzero, assume that this job
> is the only (set of) process(es) r
> unning on each node and bind processes to processors, starting with
> processor ID 0",
> false, false,
> (int) ompi_mpi_paffinity_alone,
> &value);
> ompi_mpi_paffinity_alone = OPAL_INT_TO_BOOL(value);

You're right that we're not checking the return value here, which is
bad. However, this is a pretty stable portion of the code -- I would
be surprised if it is failing.

Have you stepped through this with a debugger to verify if it is
actually failing or not?

Jeff Squyres
Cisco Systems