MPI.NET Framework für C#

MPI.NET is a high-performance, easy-to-use implementation of the Message Passing Interface (MPI) for Microsoft's .NET environment. MPI is the de facto standard for writing parallel programs running on a distributed memory system, such as a compute cluster, and is widely implemented.

Macht es sehr einfach, Programme zu bauen, die Parallel auf Clustern laufen sollen.
http://www.osl.iu.edu/research/mpi.net