Hybrid MPI and OpenMP parallel programming

Authors:
Rolf Rabenseifner;Georg Hager;Gabriele Jost;Rainer Keller
Affiliations:
Department Parallel Computing, High Performance Computing Center Stuttgart (HLRS), Stuttgart, Germany;University of Erlangen-Nuremberg, Erlangen, Germany;Sun Microsystems, Germany;Department Parallel Computing, High Performance Computing Center Stuttgart (HLRS), Stuttgart, Germany
Venue:
EuroPVM/MPI'06 Proceedings of the 13th European PVM/MPI User's Group conference on Recent advances in parallel virtual machine and message passing interface
Year:
2006

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Abstract

Most HPC systems are clusters of shared memory nodes. Such systems can be PC clusters with dual or quad boards, but also “constelation” type systems with large SMP nodes. Parallel programming must combine the distributed memory parallelization on the node inter-connect with the shared memory parallelization inside of each node.