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
