Performance Analysis of a Myrinet-Based Cluster

  • Authors:

  • Teddy Surya Gunawan;Wentong Cai

  • Affiliations:

  • Parallel and Distributed Processing Laboratory, School of Computer Engineering, Nanyang Technological University, Singapore 639798;Parallel and Distributed Processing Laboratory, School of Computer Engineering, Nanyang Technological University, Singapore 639798

  • Venue:
  • Cluster Computing
  • Year:
  • 2003

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Abstract

In recent years, there has been a growing interest in the cluster system as an accepted form of supercomputing, due to its high performance at an affordable cost. This paper attempts to elaborate performance analysis of Myrinet-based cluster. The communication performance and effect of background load on parallel applications were analyzed. For point-to-point communication, it was found that an extension to the Hockney's model was required to estimate the performance. The proposed model suggested that there should be two ranges to be used for the performance metrics to cope with the cache effect. Moreover, based on the extension of the point-to-point communication model, the Xu and Hwang's model for collective communication performance was also extended. Results showed that our models can make better estimation of the communication performance than the previous models. Finally, the interference of other user processes to the cluster system is evaluated by using synthetic background load generation programs.