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Scientific Programming
Volume 10 (2002), Issue 1, Pages 55-65

SKaMPI: A Comprehensive Benchmark for Public Benchmarking of MPI

Ralf Reussner,1 Peter Sanders,2 and Jesper Larsson Träff3

1Distributed Systems Technology Center (DSTC), Monash University Caulfield Campus, 900 Dandenong Road, Caulfield East, VIC 3145, Australia
2Max-Planck-Institut für Informatik, Stuhlsatzenhausweg 85, D-66123 Saarbrücken, Germany
3C&C; Research Laboratories, NEC Europe, Rathausallee 10, D-53757 Sankt Augustin, Germany

Received 22 April 2002; Accepted 22 April 2002

Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The main objective of the MPI communication library is to enable portable parallel programming with high performance within the message-passing paradigm. Since the MPI standard has no associated performance model, and makes no performance guarantees, comprehensive, detailed and accurate performance figures for different hardware platforms and MPI implementations are important for the application programmer, both for understanding and possibly improving the behavior of a given program on a given platform, as well as for assuring a degree of predictable behavior when switching to another hardware platform and/or MPI implementation. We term this latter goal performance portability, and address the problem of attaining performance portability by benchmarking. We describe the SKaMPI benchmark which covers a large fraction of MPI, and incorporates well-accepted mechanisms for ensuring accuracy and reliability. SKaMPI is distinguished among other MPI benchmarks by an effort to maintain a public performance database with performance data from different hardware platforms and MPI implementations.