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
