I see - I think. The locality of every process is stored on the ompi_proc_t for that process in the proc_flags field. You can find the definition of the values in opal/mca/hwloc/hwloc.h.
On Feb 10, 2013, at 1:57 PM, Brice Goglin <brice.gog...@inria.fr> wrote: > Inside the OMPI implementation. He wants to use locality information for > some sort of collective algorithm tuning (or something like that). He > needs the locality of all local ranks as far as I understood. I don't > know if that's ORTE or not, but that's inside some OMPI component at least. > > Brice > > > > Le 10/02/2013 22:47, Ralph Castain a écrit : >> I honestly have no idea what you mean. Are you talking about inside an MPI >> application? Do you mean from inside the MPI layer? Inside ORTE? Inside an >> ORTE daemon? >> >> >> On Feb 10, 2013, at 1:41 PM, Brice Goglin <brice.gog...@inria.fr> wrote: >> >>> What about *inside* OMPI? >>> >>> Brice >>> >>> >>> >>> Le 10/02/2013 21:16, Ralph Castain a écrit : >>>> There is no MPI standard call to get the binding. He could try to use the >>>> MPI extensions, depending on which version of OMPI he's using. It is in >>>> v1.6 and above. >>>> >>>> See "man OMPI_Affinity_str" for details (assuming you included the OMPI >>>> man pages in your MANPATH), or look at it online at >>>> >>>> http://www.open-mpi.org/doc/v1.6/man3/OMPI_Affinity_str.3.php >>>> >>>> Remember, you have to configure with --enable-mpi-ext in order to enable >>>> the extensions. >>>> >>>> >>>> On Feb 10, 2013, at 12:08 AM, Brice Goglin <brice.gog...@inria.fr> wrote: >>>> >>>>> I've been talking with Kranthi offline, he wants to use locality info >>>>> inside OMPI. He needs the binding info from *inside* MPI. From 10 >>>>> thousands feet, it looks like communicator->rank[X]->locality_info as a >>>>> hwloc object or as a hwloc bitmap. >>>>> >>>>> Brice >>>>> >>>>> >>>>> >>>>> Le 10/02/2013 06:07, Ralph Castain a écrit : >>>>>> Add --report-bindings to the mpirun cmd line >>>>>> >>>>>> Remember, we do not bind processes by default, so you will need to >>>>>> include something about the binding to use (by core, by socket, etc.) on >>>>>> the cmd line >>>>>> >>>>>> See "mpirun -h" for the options >>>>>> >>>>>> On Feb 9, 2013, at 8:46 PM, Kranthi Kumar <kranthi...@gmail.com> wrote: >>>>>> >>>>>>> Hello Sir, >>>>>>> >>>>>>> I need a way to find out where each rank runs from inside the >>>>>>> implementation? >>>>>>> How do I know the binding of each rank in an MPI application? >>>>>>> >>>>>>> Thank You >>>>>>> -- >>>>>>> Kranthi _______________________________________________ >>>>>>> users mailing list >>>>>>> us...@open-mpi.org >>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>>> _______________________________________________ >>>>>> users mailing list >>>>>> us...@open-mpi.org >>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>> _______________________________________________ >>>>> users mailing list >>>>> us...@open-mpi.org >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> _______________________________________________ >>>> users mailing list >>>> us...@open-mpi.org >>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
