kappa NUMA: A Model for Clusters of SMP-Machines

  • Authors:
  • Martin Schmollinger;Michael Kaufmann

  • Affiliations:
  • -;-

  • Venue:
  • PPAM '01 Proceedings of the th International Conference on Parallel Processing and Applied Mathematics-Revised Papers
  • Year:
  • 2001

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Abstract

The 驴numa model is a new model of parallel computation, which should be used to develop and analyse algorithms for clusters of smp-blocks (symmetrical multiprocessing). smp-blocks are parallel computers with shared memory to which the few processors have uniform access (UMA). The model implies modern directions like hierarchical interconnection, innernode communication (threads and shared memory) and internode communication (message-passing and remote data access). 驴numa is developed on top of the widely accepted Bsp (bulk-synchronous parallel) model. In this paper, we present an examplifying analysis of the personalized one-to-all broadcast. It will be shown that if we transfer optimal algorithms based on the Bsp model directly, there will be a lack of information and so a loss of performance.