Distributing Simulation Work Based on Component Activity: A New Approach to Partitioning Hierarchical DEVS Models

  • Authors:
  • Sunwoo Park;Bernard P. Zeigler

  • Affiliations:
  • -;-

  • Venue:
  • CLADE '03 Proceedings of the 1st International Workshop on Challenges of Large Applications in Distributed Environments
  • Year:
  • 2003

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Abstract

In this paper, we propose a new Generic ModelPartitioning (GMP) algorithm for hierarchical, modularDiscrete Event System Specification (DEVS) models. TheGMP algorithm decomposes a given hierarchical modelinto a set of partition blocks and provides reasonablesolutions for distinct partitioning problems based on acost analysis methodology. The proposed algorithmminimizes model decomposition during the partitioningprocess and guarantees incremental quality ofpartitioning (QoP) improvements until a best partitioningis attained. Since a cost measure is a parametric method,subject to certain axioms, the proposed algorithm isgeneric and applicable any family of models providedthere is a way to manipulate the appropriate costinformation. An application to partial differentialequation simulation using activity as the cost measure isdiscussed.