Evaluation and Co parison Perfor ance of Various MPI plementations on an OSCAR Linux Cluster

  • Authors:
  • Khoa N. Nguyen;Thuy T. Le

  • Affiliations:
  • -;-

  • Venue:
  • ITCC '03 Proceedings of the International Conference on Information Technology: Computers and Communications
  • Year:
  • 2003

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Abstract

PC Clusters are becoming increasingly popular andimportant in parallel computing community as a cost-effective alternative to expensive special designed parallelcomputers [1]. The most popular communicationinterface used in today PC clusters as well as othercluster-type parallel computers is MPI (Message PassingInterface) [2]. There are several different open-sourceMPI implementations freely available and most of theimplementations are based on the popular MPICH [3-4].In general, these implementations have similar basicfunctions and performance, but each package targets ondifferent environment with different communicationlibraries.In this paper we present our implementation andperformance measurement of several available open-source MPI packages on a Linux cluste built withOSCAR software package. We then compare theperformance and discuss the factors that affectperformance of these MPI implementations. Our target isbuilding a PC-cluster for our research and developmentin the areas of SAN communication and parallel digitalsimulations.