%T A Comparison of Three MPI Implementations
%A Brian Vinter, John Markus Bjørndalen
%E Ian R. East, David Duce, Mark Green, Jeremy M. R. Martin, Peter H. Welch
%B Communicating Process Architectures 2004
%X 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
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