Circular Buffered Switch Design with Wormhole Routing and Virtual Channels

  • Authors:
  • Affiliations:
  • Venue:
  • ICCD '98 Proceedings of the International Conference on Computer Design
  • Year:
  • 1998

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Abstract

Switch design for interconnection networks plays an important role in the overall performance of multiprocessors and computer networks. In this paper, a new switch design, namely FC-CB, is proposed that offers low average message latency and high throughput over a wide range of input workloads. The FC-CB switch incorporates wormhole routing and virtual channels with a full crossbar connection. Its structure is based on a novel circular buffer design with dynamic allocation. We have performed extensive simulations to compare its performance with other alternatives. Our results show that the proposed design is superior in terms of latency and throughput, especially for heavy input traffic rate and low buffer space.