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Power-aware NoC router using central forecasting-based dynamic virtual channel allocation
University of Turku.
University of Turku.
University of Turku.
University of Turku.ORCID iD: 0000-0003-1959-6513
2010 (English)In: 2010 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, 2010, p. 3224-3227Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we propose a high performance central dynamic virtual channel allocation mechanism for on-chip routers. This central management unit devotes each input port a number of virtual channels (VC) among a shared VC bank based on a traffic forecasting technique. The forecasting technique exploits the link and VC utilizations in predicting the traffic. Based on the predicted traffic, for each input port, the number of active virtual channels may be increased, decreased, or kept unchanged. The clock-gating power management technique is used to activate/deactivate the VCs. Simulation results using uniform and Negative Exponential Distribution (NED) traffic profiles show that a considerable power savings in the virtual channels and overall router power consumption may be achieved especially in low traffic loads. The area overhead of the technique is negligible.

Place, publisher, year, edition, pages
2010. p. 3224-3227
Series
IEEE International Symposium on Circuits and Systems, ISSN 0271-4302
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-74760DOI: 10.1109/ISCAS.2010.5537935ISI: 000287216003110OAI: oai:DiVA.org:kth-74760DiVA, id: diva2:489966
Conference
International Symposium on Circuits and Systems Nano-Bio Circuit Fabrics and Systems (ISCAS 2010). Paris, FRANCE. MAY 30-JUN 02, 2010
Note

QC 20120206

Available from: 2012-02-03 Created: 2012-02-03 Last updated: 2024-03-18Bibliographically approved

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Rahmani, Amir-MohammadTenhunen, Hannu

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Rahmani, Amir-MohammadTenhunen, Hannu
Electrical Engineering, Electronic Engineering, Information Engineering

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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