Looking at the source code, it is because those other collectives aren't implemented yet :-)
On Apr 2, 2013, at 12:07 PM, Brock Palen <bro...@umich.edu> wrote: > We are starting to play with FCA on our Mellonox based IB fabric. > > I noticed from ompi_info that FCA support for a lot of collectives are > disabled by default: > > Any idea why only barrier/bcast/reduce are on by default and all the more > complex values are disabled? > > MCA coll: parameter "coll_fca_enable_barrier" (current value: > <1>, data source: default value) > MCA coll: parameter "coll_fca_enable_bcast" (current value: > <1>, data source: default value) > MCA coll: parameter "coll_fca_enable_reduce" (current value: > <1>, data source: default value) > MCA coll: parameter "coll_fca_enable_reduce_scatter" (current > value: <0>, data source: default value) > MCA coll: parameter "coll_fca_enable_allreduce" (current > value: <1>, data source: default value) > MCA coll: parameter "coll_fca_enable_allgather" (current > value: <1>, data source: default value) > MCA coll: parameter "coll_fca_enable_allgatherv" (current > value: <1>, data source: default value) > MCA coll: parameter "coll_fca_enable_gather" (current value: > <0>, data source: default value) > MCA coll: parameter "coll_fca_enable_gatherv" (current value: > <0>, data source: default value) > MCA coll: parameter "coll_fca_enable_alltoall" (current value: > <0>, data source: default value) > MCA coll: parameter "coll_fca_enable_alltoallv" (current > value: <0>, data source: default value) > MCA coll: parameter "coll_fca_enable_alltoallw" (current > value: <0>, data source: default value) > > Brock Palen > www.umich.edu/~brockp > CAEN Advanced Computing > bro...@umich.edu > (734)936-1985 > > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
