c - MPI master/worker scenario communicator split -


working on master worker using mpi . worker can of 2 type . have split mpi_comm_world communicator between different workers . believe mpi_comm_split() collective call , processes have participate . problem workers can't split until know type of workers , master cannot call mpi_comm_split() @ point.

can suggest how split communicator if 1 of process can't hit mpi_comm_split() @ same time others ?


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