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2012 20th Euromicro International Conference on Parallel, Distributed and Network-Based Processing (PDP 2012) (2012)
Feb. 15, 2012 to Feb. 17, 2012
ISSN: 1066-6192
ISBN: 978-1-4673-0226-5
pp: 3-10
The Message Passing Interface (MPI) provides bindings for the three programming languages commonly used in High Performance Computing (HPC): C, C++ and Fortran. Unfortunately, MPI supports only the lowest common denominator of the three languages, providing a level of abstraction far lower than typical C++ libraries. Lately, after the decision of the MPI committee to deprecate and remove the C++ bindings from the MPI standard, programmers are forced to use either the C API or rely on third-party libraries. In this paper we present a lightweight, header-only C++ interface to MPI which uses object oriented and generic programming concepts to improve its integration into the C++ programming language. We compare our wrapper with a related approach called Boost. MPI showing how MPP facilitates the interaction with C++ objects. Performance wise, MPP outperforms Boost. MPI by reducing the interface overhead by a factor of eight. Additionally, MPP's handling of user-defined data types allows transferring of STL containers (e.g. std::list) up to 20 times faster than Boost. MPI for small linked lists by relying on software serialization.
application program interfaces, C++ language, FORTRAN, message passing, object-oriented programming

S. Pellegrini, R. Prodan and T. Fahringer, "A Lightweight C++ Interface to MPI," 16th Euromicro Conference on Parallel, Distributed and Network-Based Processing (PDP 2008)(PDP), Munich, Germany, 2012, pp. 3-10.
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