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Aircraft noise scattering prediction using different accelerator architectures

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Abstract

In this work, we present a tool that exploits heterogeneous computing to calculate the noise scattered by an object from the pressure distribution over its surface and its normal derivative. The method mainly deals with a large Matrix–Vector Product where the matrix elements must be calculated on the fly in such a way that the problem fits in main memory. To prove the performance of the heterogeneous implementations, the tool is tested using one NVIDIA K20c GPU, one Intel Xeon Phi 5110P, and two Intel Xeon E5-2650 CPUs. The speedup of the accelerated implementations ranges from \(3\times \) (Xeon Phi) to \(8\times \) (Xeon Phi \(+\) K20c) when compared to our parallel CPU code with \(32\) threads. This work, combined with the authors’ previous works for the computation of the acoustic pressure over the obstacle surface, results in a valuable toolset for noise control applications during aircraft design.

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Acknowledgments

This work has been partially supported by the European Union under COST action IC1102 (VISTA); by “Ministerio de Ciencia e Innovación” from Spain/ FEDER under the projects TEC2011-24492/TEC (iScat) and CONSOLIDER CSD2008-00068 (TeraSense); by “Ministerio de Economía y Competitividad” from Spain under project TEC2012-38142-C04-04; and by “Gobierno del Principado de Asturias” (PCTI)/FEDER-FSE under the projects IPT-2011-0951-390000 (Tecnigraf), FC09-COF09-12, SV-PA-13-ECOEMP-38, and grant BP11-166.

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Authors and Affiliations

  1. Departamento de Ingeniería Eléctrica, Electrónica, de Computadores y de Sistemas, Universidad de Oviedo, Gijón, Spain

    M. López-Portugués, J. A. López-Fernández & R. G. Ayestarán

  2. Departamento de Informática, Universidad de Oviedo, Gijón, Spain

    N. Díaz-Gracia & José Ranilla

Authors
  1. M. López-Portugués
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  2. J. A. López-Fernández
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  3. N. Díaz-Gracia
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  4. R. G. Ayestarán
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  5. José Ranilla
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Corresponding author

Correspondence to José Ranilla.

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López-Portugués, M., López-Fernández, J.A., Díaz-Gracia, N. et al. Aircraft noise scattering prediction using different accelerator architectures. J Supercomput 70, 612–622 (2014). https://doi.org/10.1007/s11227-014-1107-z

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