CA-Ex: a tuning-incremental methodology for communication architectures in embedded systems

  • Authors:
  • Haili Wang;Jinian Bian;Yawen Niu;Kun Tong;Yunfeng Wang

  • Affiliations:
  • Department of Computer Science and Technology, Tsinghua University, Beijing, P.R.China;Department of Computer Science and Technology, Tsinghua University, Beijing, P.R.China;Department of Computer Science and Technology, Tsinghua University, Beijing, P.R.China;Department of Computer Science and Technology, Tsinghua University, Beijing, P.R.China;Department of Computer Science and Technology, Tsinghua University, Beijing, P.R.China

  • Venue:
  • ICESS'04 Proceedings of the First international conference on Embedded Software and Systems
  • Year:
  • 2004

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Abstract

The communication architecture (CA) problem is at the very heart of system level design related to the development of distributed embedded systems. The design of efficient CAs is pivotal because communication is becoming the most important source of on-chip desired performance numbers. In this paper we focus on the aspects of CA design in heterogeneous systems consisting of arbitrarily linked multi-components, and introduce a new design methodology named CA-Ex which enables a tuning-incremental architecture exploration. Unlike previous research efforts, CA-Ex employs three kinds of optimization strategies to implement topology, mapping and scheduling scheme, and interface circuits. One of the major contributions is that we summarily present four architecting scenarios and outline a unified framework to achieve a specification-modeling-exploration process. Finally, we evaluate CA-Ex through an illustrative case study on JPEG decoder and describe its advantages.