Optimizing evolution rules application and communication times in membrane systems implementation

  • Authors:
  • Jorge A. Tejedor;Abraham Gutiérrez;Luis Fernández;Fernando Arroyo;Ginés Bravo;Sandra Gómez

  • Affiliations:
  • Escuela Universitaria de Informática, Universidad Politécnica de Madrid, Madrid, Spain;Escuela Universitaria de Informática, Universidad Politécnica de Madrid, Madrid, Spain;Escuela Universitaria de Informática, Universidad Politécnica de Madrid, Madrid, Spain;Escuela Universitaria de Informática, Universidad Politécnica de Madrid, Madrid, Spain;Escuela Universitaria de Informática, Universidad Politécnica de Madrid, Madrid, Spain;Escuela Universitaria de Informática, Universidad Politécnica de Madrid, Madrid, Spain

  • Venue:
  • WMC'07 Proceedings of the 8th international conference on Membrane computing
  • Year:
  • 2007

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Abstract

Several published time analyses in P systems implementation have proved that there is a very strong relationship between communication and evolution rules application time in membranes of the system. This work shows how to optimize the evolution rule application and communication times using two complementary techniques: the improvement of evolution rules algorithms and the usage of compression schema. On the one hand, this work uses the concepts of competitiveness relationship among active rules and competitiveness graph. For this, it takes into account the fact that some active rules in a membrane can consume disjoint object sets. Based on these concepts, we present a new evolution rules application algorithm that improves throughput of active rules elimination algorithms (sequential and parallel). On the other hand, this work presents an algorithm for compressing information related to multisets and evolution rules, based on the assumption that algorithmic complexity of the operations performed over multisets, in evolution rules application algorithms, is determined by the representation of multiset information of these rules. This representation also affects the communication phase among membranes phase.