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Virtual point-to-point links in packet-switched NoCs

Modarressi, M ; Sharif University of Technology | 2008

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  1. Type of Document: Article
  2. DOI: 10.1109/ISVLSI.2008.76
  3. Publisher: 2008
  4. Abstract:
  5. A method to setup virtual point-to-point links between the cores of a packet-switched network-on-chip is presented in this paper which aims at reducing the NoC power consumption and delay. The router architecture proposed in this paper provides packet-switching, as well as a number of virtual point-to-point, or VIP (VIrtual Point-to-point) for short, connections. This is achieved by designating one virtual channel at each physical channel of a router to bypass the router pipeline. The mapping and routing algorithm exploits these virtual channels and tries to virtually connect the source and destination nodes of high-volume communication flows during task-graph mapping and route selection phase of the NoC design process. The evaluation results show a significant reduction in power and latency over a traditional packet-switched NoC. ©2008 IEEE
  6. Keywords:
  7. Communication channels (information theory) ; Conformal mapping ; Electric network topology ; Packet networks ; Parallel processing systems ; Pipelines ; Process design ; Process engineering ; Routing algorithms ; Switching circuits ; Technology ; Destination nodes ; Evaluation results ; Graph mapping ; Network on chips ; NOC design ; Packet-switched ; Point-to-point links ; Power consumption ; Route selection ; Router architectures ; Router pipeline ; Significant reduction ; Virtual channels ; VLSI technologies ; Volume communication ; Routers
  8. Source: IEEE Computer Society Annual Symposium on VLSI: Trends in VLSI Technology and Design, ISVLSI 2008, Montpellier, 7 April 2008 through 9 April 2008 ; 2008 , Pages 433-436 ; 9780769531700 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/4556834