MPI COMM GROUP Definition of mPl comm group Used to return the group underlying the communicator,; you get a handle to the group of comm The MPl COMM GROUP routine determines the group handle of a communicator int MPl Comm group( MPl Comm comm, MPI Group * group The function returns an int error flag Variable Name C Type In/Out Description comm MPI Comm Input Communicator handle group MPL_Group* Output Group handleMPI_COMM_GROUP • Definition of MPI_COMM_GROUP – Used to return the group underlying the communicator; you get a handle to the group of comm. • The MPI_COMM_GROUP routine determines the group handle of a communicator. int MPI_Comm_group( MPI_Comm comm, MPI_Group *group ) • The function returns an int error flag. Variable Name C Type In/Out Description comm MPI_Comm Input Communicator handle group MPI_Group * Output Group handle