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You should compile OpenMPI with the "--with-fca=<path_to_fca>" option. Then
you can configure it the the following mca runtime options:
coll_fca_enable - whether or not fca is enabled
coll_fca_np - from which np to use fca
See more options with ompi_info --all | grep fca command.
On Fri, Sep 2, 2011 at 10:18 PM, Konz, Jeffrey (SSA Solution Centers) <
> I see that OpenMPI 1.5.x supports the Mellanox/Voltaire FCA MPI Collective
> Are any special OpenMPI builb options required to use this?
> Is the feature runtime selectable?
> users mailing list