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Power analysis of link level and end-to-end data protection in networks on chip
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH.
KTH.
2005 (English)In: Proceedings - IEEE International Symposium on Circuits and Systems, 2005, 1770-1773 p.Conference paper, Published paper (Refereed)
Abstract [en]

We provide a power analysis for the communication in the Nostrum NoC concluding that power consumption is dominated by the links between switches while the switches and network interfaces contribute with a mere few percent to the power consumption. Further we analyze link level low power encoding techniques with the conclusion, that they spend several times more power than no encoding at all, if normalized for the same performance, which is done by adjusting supply voltage and frequency. Data protection schemes also have the potential to reduce power if voltage levels can be reduced and certain faults can be tolerated. We experiment with link level and end-to-end data protection schemes. They only moderately increase power consumption and have indeed the potential to save power. However, this potential strongly depends on the application traffic patterns and fault models of future technology generations.

Place, publisher, year, edition, pages
2005. 1770-1773 p.
Series
IEEE International Symposium on Circuits and Systems, ISSN 0271-4302
Keyword [en]
Electric network topology, Encoding (symbols)
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-43156DOI: 10.1109/ISCAS.2005.1464951ISI: 000232002401231Scopus ID: 2-s2.0-33745715755OAI: oai:DiVA.org:kth-43156DiVA: diva2:448196
Conference
IEEE International Symposium on Circuits and Systems 2005, ISCAS 2005; Kobe; 23 May 2005 through 26 May 2005;
Note
QC 20111014Available from: 2011-10-14 Created: 2011-10-13 Last updated: 2011-10-14Bibliographically approved

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Jantsch, AxelLauter, RobertVitkowski, Arseni
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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