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How to Scale Nested OpenMP Applications on the ScaleMP vSMP Architecture

Schmidl, Dirk ; Terboven, Christian ; Wolf, Andreas ; Mey, Dieter an ; Bischof, Christian (2010):
How to Scale Nested OpenMP Applications on the ScaleMP vSMP Architecture.
pp. 29-37, IEEE, IEEE International Conference on Cluster Computing (CLUSTER 2010), Heraklion, Crete, Greece, 20.-24.09., ISBN 978-1-4244-8373-0,
DOI: 10.1109/CLUSTER.2010.38,
[Conference or Workshop Item]

Abstract

The novel ScaleMP vSMP architecture employs commodity x86-based servers with an InfiniBand network to assemble a large shared memory system at an attractive price point. We examine this combined hardware- and softwareapproach of a DSM system using both system-level kernel benchmarks as well as real-world application codes. We compare this architecture with traditional shared memory machines and elaborate on strategies to tune application codes parallelized with OpenMP on multiple levels. Finally we summarize the necessary conditions which a scalable application has to fulfill in order to profit from the full potential of the ScaleMP approach.

Item Type: Conference or Workshop Item
Erschienen: 2010
Creators: Schmidl, Dirk ; Terboven, Christian ; Wolf, Andreas ; Mey, Dieter an ; Bischof, Christian
Title: How to Scale Nested OpenMP Applications on the ScaleMP vSMP Architecture
Language: English
Abstract:

The novel ScaleMP vSMP architecture employs commodity x86-based servers with an InfiniBand network to assemble a large shared memory system at an attractive price point. We examine this combined hardware- and softwareapproach of a DSM system using both system-level kernel benchmarks as well as real-world application codes. We compare this architecture with traditional shared memory machines and elaborate on strategies to tune application codes parallelized with OpenMP on multiple levels. Finally we summarize the necessary conditions which a scalable application has to fulfill in order to profit from the full potential of the ScaleMP approach.

Publisher: IEEE
ISBN: 978-1-4244-8373-0
Uncontrolled Keywords: Practical/distributed shared memory systems; message passing; operating system nested OpenMP applications; ScaleMP vSMP architecture; x86-based servers; InfiniBand network; shared memory system; DSM system; system-level kernel benchmark; shared memory machine; application code
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Scientific Computing
Event Title: IEEE International Conference on Cluster Computing (CLUSTER 2010)
Event Location: Heraklion, Crete, Greece
Event Dates: 20.-24.09.
Date Deposited: 10 Jul 2012 14:15
DOI: 10.1109/CLUSTER.2010.38
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