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copied!<p><a href="http://www.open-mpi.org/" rel="nofollow">OpenMPI</a> is an implementation of <a href="http://www.mpi-forum.org/" rel="nofollow">MPI</a>. Applications are written using MPI (i.e. the code calls MPI routines), and they can be compiled/run using any MPI implementation (e.g. <a href="http://www.mcs.anl.gov/research/projects/mpich2/" rel="nofollow">MPICH2</a>, <a href="http://www.open-mpi.org/" rel="nofollow">OpenMPI</a>, <a href="http://www.lam-mpi.org/" rel="nofollow">LAM-MPI</a>, etc).</p> <p>So, to answer your question, strictly speaking there is no such thing as an "OpenMPI application".</p> <p>As for what applications use <strong>MPI</strong>, there are many. Here's a few:</p> <ul> <li><a href="http://ambermd.org/" rel="nofollow">AMBER</a> (Molecular Dynamics)</li> <li><a href="http://www.gromacs.org/" rel="nofollow">Gromacs</a> (Molecular Dynamics)</li> <li><a href="http://www.cse.scitech.ac.uk/arc/dlpoly.shtml" rel="nofollow">DL-POLY</a> (molecular dynamics)</li> <li><a href="http://www.fftw.org/parallel/parallel-fftw.html" rel="nofollow">FFTW</a> (for parallel Fourier transform)</li> <li><a href="http://www.mathworks.co.uk/products/parallel-computing/index.html" rel="nofollow">MATLAB Parallel Computing Toolbox</a></li> <li><a href="http://www.flame.ac.uk/" rel="nofollow">FLAME</a> (Agent-based modelling)</li> <li><a href="http://www.cse.scitech.ac.uk/arc/castep.shtml" rel="nofollow">CASTEP</a> (Materiam science)</li> <li><a href="http://www.cse.scitech.ac.uk/arc/polcoms.shtml" rel="nofollow">POLCOMS</a> (Marine Ecosystem)</li> <li><a href="http://www.wrf-model.org" rel="nofollow">WRF</a> (Weather Forecast)</li> <li><a href="http://www.nwchem-sw.org/index.php/Main_Page" rel="nofollow">NWCHEM</a> (Computational Chemistry)</li> </ul> <p>... and the list goes on and on.</p>

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