... Group Destructors . Up: Group Management Next: Communicator Management Previous: Group Constructors . MPI_GROUP_FREE(group) . ... int MPI_Group_free(MPI_Group *group) . ... The handle group is set to MPI_GROUP_NULL by the call. ... One can keep a reference count that is incremented for each call to MPI_COMM_CREATE and MPI_COMM_DUP, and decremented for each call to MPI_GROUP_FREE or MPI_COMM_FREE; the group object is ultimately deallocated when the reference count drops to zero. ... Центры . ...