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Work Distribution of Data-Parallel Applications on Heterogeneous Systems

  • Suejb MemetiEmail author
  • Sabri Pllana
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9945)

Abstract

Heterogeneous computing systems offer high peak performance and energy efficiency, and utilizing this potential is essential to achieve extreme-scale performance. However, optimal sharing of the work among processing elements in heterogeneous systems is not straightforward. In this paper, we propose an approach that uses combinatorial optimization to search for optimal system configuration in a given parameter space. The optimization goal is to determine the number of threads, thread affinities, and workload partitioning, such that the overall execution time is minimized. For combinatorial optimization we use the Simulated Annealing. We evaluate our approach with a DNA sequence analysis application on a heterogeneous platform that comprises two Intel Xeon E5 processors and an Intel Xeon Phi 7120P co-processor. The obtained results demonstrate that using the near-optimal system configuration, determined by our algorithm based on the simulated annealing, application performance is improved.

Keywords

Execution Time Simulated Annealing Heterogeneous System System Configuration Simulated Annealing Algorithm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  1. 1.Department of Computer ScienceLinnaeus UniversityVaxjoSweden

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