Multi-Core Embedded Systems

Multi-Core Embedded Systems

Ricardo Chessini Bose (University of Mons, Belgium), Georgios Fourtounis (University of Mons, Belgium), Naim Harb (University of Mons, Belgium), Laurent Jolczyk (University of Mons, Belgium), Paulo Da Cunha Possa (University of Mons, Belgium) and Carlos Valderrama (University of Mons, Belgium)
DOI: 10.4018/978-1-4666-3922-5.ch019

Abstract

Multiple processors, microcontrollers, or DSPs have been used in embedded systems to distribute control and data flow according to the application at hand. The recent trends of incorporating multiple cores in the same chip significantly expands the processing power of such heterogeneous systems. However, these trends demand new ways of building and programming embedded systems in order to control cost and complexity. In this context, the authors present an overview on multi-core architectures and their inter-core communication mechanisms, dedicated cores used as accelerators, and hardware reconfiguration providing flexibility on today’s multi-core embedded systems. Finally, they highlight tools, frameworks, and techniques for programming multi-cores and accelerators in order to take advantage of their performance in a robust and cost effective manner.
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2. Background

In this section we describe the current state of multi-core hardware for embedded systems, both homogeneous and heterogeneous. We then proceed to give the basic elements of the programmer’s view over multi-core hardware.

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