A Performance Model of Pipelined k-ary n-cubes

  • Authors:
  • Sudhakar Yalamanchili;Patrick T. Gaughan

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1995

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Abstract

Pipelined communication using virtual channels can realize low latency, high throughput, inter-processor communication. This paper presents an analytic performance model of pipelined communication in k-ary n-cubes. The model contains elements intended to capture and study key performance issues. In addition to the modeling of throughput and latency, the following issues are addressed using this model: 1) the tradeoff between full-duplex vs. half-duplex links, 2) the effects of intranode delay, 3) the effects of buffer size for each virtual channel. Detailed simulation experiments under a variety of conditions establish the viability of this model.