First experiences with intel cluster OpenMP

Authors:
Christian Terboven;Dieter An Mey;Dirk Schmidl;Marcus Wagner
Affiliations:
RWTH Aachen University, Center for Computing and Communication, Aachen, Germany;RWTH Aachen University, Center for Computing and Communication, Aachen, Germany;RWTH Aachen University, Center for Computing and Communication, Aachen, Germany;RWTH Aachen University, Center for Computing and Communication, Aachen, Germany
Venue:
IWOMP'08 Proceedings of the 4th international conference on OpenMP in a new era of parallelism
Year:
2008

Citing 3
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Abstract

MPI and OpenMP are the de-facto standards for distributedmemoryand shared-memory parallelization, respectively. By employinga hybrid approach, that is combing OpenMP and MPI parallelization inone program, a cluster of SMP systems can be exploited. Nevertheless,mixing programming paradigms and writing explicit message passingcode might increase the parallel program development time significantly.Intel Cluster OpenMP is the first commercially available OpenMP implementationfor a cluster, aiming to combine the ease of use of the OpenMPparallelization paradigm with the cost efficiency of a commodity cluster.In this paper we present our first experiences with Intel Cluster OpenMP.