Please note that 
 Intel MPI compilers have un-conventional names.  After loading Intel 13.cs module (module load intel/13.cs), in order to use Intel compiler to compile MPI programs, you must use  
- mpiicc for C programs      
- mpiicpc for C++ programs      
- mpiifort for Fortran programs 
  If you use the conventional mpicc, mpicxx or mpif90, GNU compilers are used.  See 
Intel MPI compilers for details.