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Paper Details

A Comparison of Three MPI Implementations

Authors: Vinter, Brian, Bjørndalen, John Markus


Various implementations of MPI are becoming available as MPI is slowly emerging as the standard API for parallel programming on most platforms. The open source implementations LAM-MPI and MPICH are the most widely used, while commercial implementations are usually tied to special hardware platforms. This paper compares these two open-source MPI-implementations to one of the commercially available implementations, MESH-MPI from MESH-Technologies. We find that the commercial implementation is significantly faster than the open-source implementations, though LAM-MPI does come out on top in some benchmarks.


Communicating Process Architectures 2004, Ian R. East, David Duce, Mark Green, Jeremy M. R. Martin, Peter H. Welch, 2004, pp 127 - 136 published by IOS Press, Amsterdam

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