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Performance modelling of magnetohydrodynamics codes
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Bird, Robert F., Wright, Steven A., Beckingsale, David A. and Jarvis, Stephen A. (2012) Performance modelling of magnetohydrodynamics codes. In: Proceedings of the 28th UK Performance Engineering Workshop (UKPEW 2012), Edinburgh, 2 July 2012
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Official URL: http://workshops.inf.ed.ac.uk/ukpew2012/#programme
Abstract
Performance modelling is an important tool utilised by the High Performance Computing industry to accurately predict the run-time of science applications on a variety of different architectures. Performance models aid in procurement decisions and help to highlight areas for possible code optimisations. This paper presents a performance model for a magnetohydrodynamics physics application, Lare. We demonstrate that this model is capable of accurately predicting the run-time of Lare across multiple platforms with an accuracy of 90% (for both strong and weak scaled problems). We then utilise this model to evaluate the performance of future optimisations. The model is generated using SST/macro, the machine level component of the Structural Simulation Toolkit (SST) from Sandia National Laboratories, and is validated on both a commodity cluster located at the University of Warwick and a large scale capability resource located at Lawrence Livermore National Laboratory.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||
Book Title: | Computer Performance Engineering | ||||
Official Date: | 2012 | ||||
Dates: |
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Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 2 February 2017 | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | Proceedings of the 28th UK Performance Engineering Workshop (UKPEW 2012) | ||||
Type of Event: | Workshop | ||||
Location of Event: | Edinburgh | ||||
Date(s) of Event: | 2 July 2012 | ||||
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Open Access Version: |
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