Experiences Using OpenMP Based on Compiler Directed Software DSM on a PC Cluster | Zendy

Matthias Hess | Zendy; Gabriele Jost | Zendy; Matthias Müller | Zendy; Roland Rühle | Zendy

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Experiences Using OpenMP Based on Compiler Directed Software DSM on a PC Cluster

Author(s) -

Matthias Hess,

Gabriele Jost,

Matthias Müller,

Roland Rühle

Publication year - 2003

Publication title -

lecture notes in computer science

Language(s) - English

Resource type - Book series

SCImago Journal Rank - 0.249

H-Index - 400

eISSN - 1611-3349

pISSN - 0302-9743

DOI - 10.1007/3-540-45009-2_17

Subject(s) - computer science , compiler , parallel computing , implementation , operating system , software , cluster (spacecraft) , message passing , shared memory , programming language

In this work we report on our experiences running OpenMP programs on a commodity cluster of PCs running a software distributed shared memory (DSM) system. We describe our test environment and report on the performance of a subset of the NAS Parallel Benchmarks that have been automatically parallelized for OpenMP. We compare the performance of the OpenMP implementations with that of their message passing counterparts and discuss performance differences.

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