Semi-distributed control for FPGA-based reconfigurable systems

Chiraz Trabelsi 1, 2 Samy Meftali 1, 2 Jean-Luc Dekeyser 1
1 DART - Contributions of the Data parallelism to real time
LIFL - Laboratoire d'Informatique Fondamentale de Lille, Inria Lille - Nord Europe
Abstract : Due to the growing complexity of the applications targeted by FPGA-based reconfigurable systems, the control design of such systems is becoming one of the main hurdles faced by designers. In this paper, we propose a semi-distributed control model based on the separation between different control concerns (monitoring, decision-making and reconfiguration) and on formalism-oriented design in order to decrease the design complexity of the control, and facilitate design verification, reuse and scalability. This model is composed of distributed controllers handling each the self-adaptivity of a reconfigurable region of the system, and a coordinator that coordinates their reconfiguration decisions in order to respect global system constraints. Implementations on FPGA showed that our semi-distributed control model is more flexible, reusable and scalable than the centralized one, at the cost of a slight increase in required hardware resources.
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Chiraz Trabelsi, Samy Meftali, Jean-Luc Dekeyser. Semi-distributed control for FPGA-based reconfigurable systems. 2012. ⟨hal-00703093⟩

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