Hi Routers.
We are writing an experimental module for give to root support to Message Passing Interface (MPI),
Download code from git clone git://github.com/omazapa/RootMpi.git
The code is just supported in the moment in linux.
please feel free to send us suggestions and comments in this forum or in the mailing list. 
for more information visit http://rootmpi.blogspot.com/
Omar Andres Zapata Mesa
Developer.