%T A Comparison of Message Passing Interface and Communicating Process Architecture Networking Communication Performance
%A Kevin Chalmers
%E Peter H. Welch, Frederick R. M. Barnes, Kevin Chalmers, Jan Bækgaard Pedersen, Adam T. Sampson
%B Communicating Process Architectures 2012
%X Message Passing Interface (MPI) is a popular approach to
enable Single Process, Multiple Data (SPMD) style parallel
computing, particularly in cluster computing environments.
Communicating Process Architecture (CPA) Networking on the
other hand, has been developed to enable channel
based semantics across a communication mechanism in a
transparent manner. However, in both cases the concept of a
message passing infrastructure is fundamental. This paper
compares the performance of both of these frameworks at a
base communication level, also discussing some of
the similarities between the two mechanisms. From the
experiments, it can be seen that although MPI is a more
mature technology, in many regards CPA Networking can
perform comparably if the correct communication is used.
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