Parallel Programming with MatlabMPI

Details Parallel Programming with MatlabMPI Parallel Programming with MatlabMPI

2001-07-20

arxiv.org/abs/astro-ph/0107406v1

Astronomy and Astrophysics

Astrophysics

3 pages (including 2 color figures). Accepted to the High Performance Embedded Computing (HPEC 2001) workshop

Scientific paper

MatlabMPI is a Matlab implementation of the Message Passing Interface (MPI) standard and allows any Matlab program to exploit multiple processors. MatlabMPI currently implements the basic six functions that are the core of the MPI point-to-point communications standard. The key technical innovation of MatlabMPI is that it implements the widely used MPI ``look and feel'' on top of standard Matlab file I/O, resulting in an extremely compact (~100 lines) and ``pure'' implementation which runs anywhere Matlab runs. The performance has been tested on both shared and distributed memory parallel computers. MatlabMPI can match the bandwidth of C based MPI at large message sizes. A test image filtering application using MatlabMPI achieved a speedup of ~70 on a parallel computer.

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