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HARPE: A Harvard-based processing element tailored for partial dynamic reconfigurable architectures

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4 Author(s)
Montone, A. ; Dipt. di Elettron. e Inf., Politec. di Milano, Milan ; Rana, V. ; Santambrogio, M.D. ; Sciuto, D.

Aim of this paper is to propose a reconfigurable processing element based on a Harvard architecture, called HARPE. HARPE's architecture includes a MicroBlaze soft-processor in order to make HARPEs deployable also on devices not having processors on silicon die. In such a context, this work also introduces a novel approach for the management of processor data memory. The proposed approach allows the individual management of data and the dynamic update of the memory, thus making it possible to define partially dynamical reconfigurable multi processing element systems, that consist of several master (e.g., soft-processors, hard-processors or HARPE cores) and slave components. Finally, the proposed methodology enables the possibility of creating a system in which both HARPEs and their memories (data and code) can be separately configured at run time with a partial configuration bitstream, in order to make the whole system more flexible with respect to changes occurring in the external environment.

Published in:

Parallel and Distributed Processing, 2008. IPDPS 2008. IEEE International Symposium on

Date of Conference:

14-18 April 2008