Xin, The collective calls are handled by the collective framework (mca/coll). You can export only the function you want (MPI_Bcast in your example) from your collective component.
george. On Sep 27, 2011, at 05:43 , Xin He wrote: > Hi all, > > sorry that it takes so long for paper works of TIPC BTL. Hopefully I can get > some feedback this week. > > However, I would like to do some work while waiting. For future work, I would > like to add TIPC_broadcast > to support MPI_Bcast. But as I looked into TCP BTL code, I could not find any > code doing broadcast. Does > that mean MPI_Bcast is actually done by sending one by one? In that case, in > I want to add actual broadcast > support, which part should I change, I guess not just adding a BTL but also > modify PML as well? > > Thank you in advance! > > /Xin > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel