P-CAGE: An Environment for Evolutionary Computation in Peer-to-Peer Systems

  • Gianluigi Folino
  • Giandomenico Spezzano
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3905)


Solving complex real-world problems using evolutionary computation is a CPU time-consuming task that requires a large amount of computational resources. Peer-to-Peer (P2P) computing has recently revealed as a powerful way to harness these resources and efficiently deal with such problems. In this paper, we present a P2P implementation of Genetic Programming based on the JXTA technology. To run genetic programs we use a distributed environment based on a hybrid multi-island model that combines the island model with the cellular model. Each island adopts a cellular genetic programming model and the migration occurs among neighboring peers. The implementation is based on a virtual ring topology. Three different termination criteria (effort, time and max-gen) have been implemented. Experiments on some popular benchmarks show that the approach presents a accuracy at least comparable with classical distributed models, retaining the obvious advantages in terms of decentralization, fault tolerance and scalability of P2P systems.


Genetic Programming Island Model Symbolic Regression Trigonometric Identity Neighboring Peer 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Gianluigi Folino
    • 1
  • Giandomenico Spezzano
    • 1
  1. 1.Institute for High Performance Computing and Networking (ICAR)-CNRRende(CS)Italy

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