Flexibility/cost-tradeoffs of platform-based systems

Authors:
Christian Haubelt;Jürgen Teich;Kai Richter;Rolf Ernst
Affiliations:
DATE, University of Paderborn, Paderborn, Germany;DATE, University of Paderborn, Paderborn, Germany;IDA, Technical University of Braunschweig, Braunschweig, Germany;IDA, Technical University of Braunschweig, Braunschweig, Germany
Venue:
Embedded processor design challenges
Year:
2002

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Abstract

This paper provides a quantitative characterization of an embedded system's capability to implement alternative behaviors. This new objective in system-level design is termed flexibility and is most notable in the field of adaptive and reconfigurable systems, where a system may change its behavior during operation. Different behaviors are also taken into consideration while implementing platform-based systems. Based on a hierarchical graph model which permits formal modeling of flexibility and implementation cost of a system, an efficient exploration algorithm to find the optimal flexibility/cost-tradeoff-curve is proposed. The feasibility of our approach is demonstrated by a case study concerning the design of a family of Set-Top boxes.