mvapich2  2.3.1
About: MVAPICH2 offers "MPI over InfiniBand, 10GigE/iWARP and RDMA over Converged Ethernet (RoCE)" to achieve best performance, scalability and fault tolerance for high-end computing systems and servers.
  Fossies Dox: mvapich2-2.3.1.tar.gz  ("inofficial" and yet experimental doxygen-generated source code documentation)  

mvapich2 Documentation