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Experiences Using OpenMP Based on Compiler Directed Software DSM on a PC ClusterIn this work we report on our experiences running OpenMP (message passing) programs on a commodity cluster of PCs (personal computers) running a software distributed shared memory (DSM) system. We describe our test environment and report on the performance of a subset of the NAS (NASA Advanced Supercomputing) 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.
Document ID
20020073171
Acquisition Source
Ames Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Hess, Matthias (High Performance Computing Center Stuttgart Germany)
Jost, Gabriele (Computer Sciences Corp. Moffett Field, CA United States)
Mueller, Matthias (NASA Ames Research Center Moffett Field, CA United States)
Ruehle, Roland (NASA Ames Research Center Moffett Field, CA United States)
Biegel, Bryan
Date Acquired
September 7, 2013
Publication Date
August 7, 2002
Subject Category
Computer Programming And Software
Meeting Information
Meeting: Workshop on OpenMP and Applications 2002
Location: Fairbanks, AK
Country: United States
Start Date: August 5, 2002
End Date: August 7, 2002
Funding Number(s)
PROJECT: RTOP 519-40-12
CONTRACT_GRANT: NASA Order A-61812-D
CONTRACT_GRANT: DTT559-99-D-00437
CONTRACT_GRANT: NAS2-14303
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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