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Towards Autotuning of OpenMP Applications on Multicore Architectures

Distributed, Parallel, and Cluster Computing 2014-01-17 v1
Authors: Jakub Katarzyński , Maciej Cytowski
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Abstract

In this paper we describe an autotuning tool for optimization of OpenMP applications on highly multicore and multithreaded architectures. Our work was motivated by in-depth performance analysis of scientific applications and synthetic benchmarks on IBM Power 775 architecture. The tool provides an automatic code instrumentation of OpenMP parallel regions. Based on measurement of chosen hardware performance counters the tool decides on the number of parallel threads that should be used for execution of chosen code fragments.

Keywords

parallel programming computer architecture parallel algorithm

Cite

@article{arxiv.1401.4063,
  title  = {Towards Autotuning of OpenMP Applications on Multicore Architectures},
  author = {Jakub Katarzyński and Maciej Cytowski},
  journal= {arXiv preprint arXiv:1401.4063},
  year   = {2014}
}

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