[MPICH] Compare Hybrid programing (MPI+OpenMP) with MPI Shared Memory(using System V IPC) and RMA ?

[王惠春]

hello all，
I am a newer here. I have a problem that whether the Hybrid programing model (MPI+OpenMP) have nothing possibility compare with MPI Shared Memory(using System V IPC) and RMA, how about their relationship. 
thanks a lot. 

Hutcher