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Soft Computing

, Volume 16, Issue 2, pp 231–246 | Cite as

The GPU on the simulation of cellular computing models

  • José M. Cecilia
  • José M. García
  • Ginés D. Guerrero
  • Miguel A. Martínez-del-Amor
  • Mario J. Pérez-Jiménez
  • Manuel UjaldónEmail author
Focus

Abstract

Membrane Computing is a discipline aiming to abstract formal computing models, called membrane systems or P systems, from the structure and functioning of the living cells as well as from the cooperation of cells in tissues, organs, and other higher order structures. This framework provides polynomial time solutions to NP-complete problems by trading space for time, and whose efficient simulation poses challenges in three different aspects: an intrinsic massively parallelism of P systems, an exponential computational workspace, and a non-intensive floating point nature. In this paper, we analyze the simulation of a family of recognizer P systems with active membranes that solves the Satisfiability problem in linear time on different instances of Graphics Processing Units (GPUs). For an efficient handling of the exponential workspace created by the P systems computation, we enable different data policies to increase memory bandwidth and exploit data locality through tiling and dynamic queues. Parallelism inherent to the target P system is also managed to demonstrate that GPUs offer a valid alternative for high-performance computing at a considerably lower cost. Furthermore, scalability is demonstrated on the way to the largest problem size we were able to run, and considering the new hardware generation from Nvidia, Fermi, for a total speed-up exceeding four orders of magnitude when running our simulations on the Tesla S2050 server.

Keywords

Manycore GPUs P systems SAT problem High performance computing 

Notes

Acknowledgments

This work has been jointly supported by the Fundación Séneca (Agencia Regional de Ciencia y Tecnología, Región de Murcia) under grant 00001/CS/2007, by the Spanish MICINN under grants TIN2009-13192 and TIN2009-14475-C04, by the European Commission FEDER funds under grant Consolider Ingenio-2010 CSD2006-00046, and by the Junta of Andalucia of Spain under projects P06-TIC02109 and P08-TIC04200. The authors wish to thank anonymous reviewers for the suggestions received to improve the quality of this article.

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • José M. Cecilia
    • 1
  • José M. García
    • 1
  • Ginés D. Guerrero
    • 1
  • Miguel A. Martínez-del-Amor
    • 2
  • Mario J. Pérez-Jiménez
    • 2
  • Manuel Ujaldón
    • 3
    Email author
  1. 1.Computer Engineering and Technology DepartmentUniversity of MurciaMurciaSpain
  2. 2.Computer Science and Artificial Intelligence DepartmentUniversity of SevilleSevilleSpain
  3. 3.Computer Architecture DepartmentUniversity of MalagaMalagaSpain

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