Building Multirail InfiniBand Clusters: MPI-Level Design and Performance Evaluation

  title={Building Multirail InfiniBand Clusters: MPI-Level Design and Performance Evaluation},
  author={Jiuxing Liu and Abhinav Vishnu and Dhabaleswar K. Panda},
  journal={Proceedings of the ACM/IEEE SC2004 Conference},
In the area of cluster computing, InfiniBand is becoming increasingly popular due to its open standard and high performance. However, even with InfiniBand, network bandwidth can still become the performance bottleneck for some of todayýs most demanding applications. In this paper, we study the problem of how to overcome the bandwidth bottleneck by using multirail networks. We present different ways of setting up multirail networks with InfiniBand and propose a unified MPI design that can… CONTINUE READING
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