Compiler-based Software Power Peak Elimination on Smart Card Systems

Authors Matthias Grumer, Manuel Wendt, Christian Steger, Reinhold Weiss, Ulrich Neffe, Andreas Muehlberger



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Author Details

Matthias Grumer
Manuel Wendt
Christian Steger
Reinhold Weiss
Ulrich Neffe
Andreas Muehlberger

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Matthias Grumer, Manuel Wendt, Christian Steger, Reinhold Weiss, Ulrich Neffe, and Andreas Muehlberger. Compiler-based Software Power Peak Elimination on Smart Card Systems. In Power-aware Computing Systems. Dagstuhl Seminar Proceedings, Volume 7041, pp. 1-9, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)
https://doi.org/10.4230/DagSemProc.07041.5

Abstract

RF-powered smart cards are widely used in different application areas today. For smart cards not only performance is an important attribute, but also the power consumed by a given application. The power consumed is heavily depending on the software executed on the system. The power profile, especially the power peaks, of an executed application influence the system stability and security. Flattening the power profile can thus increase the stability and security of a system. In this paper we present an optimization system that allows a reduction of power peaks based on a compiler optimization. The optimizations are done on different levels of the compiler. In the backend of the compiler we present new instruction scheduling algorithms. On the intermediate language level we propose the use of iterative compiling for reducing critical peaks.
Keywords
  • Software power optimization
  • compiler optimization
  • peak reduction

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