Quantitative evaluation of three reconfiguration strategies on FPGAs: a case study
Cadenas, J. O., Megson, G. M. and Plaks, T. P. (2000) Quantitative evaluation of three reconfiguration strategies on FPGAs: a case study. In: International Conference on High Performance Computing in Asia-Pacific Region, 14-17 May 2000, Beijing, China, pp. 337-342.
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To link to this item DOI: 10.1109/HPC.2000.846574
Reconfigurable computing is becoming an important new alternative for implementing computations. Field programmable gate arrays (FPGAs) are the ideal integrated circuit technology to experiment with the potential benefits of using different strategies of circuit specialization by reconfiguration. The final form of the reconfiguration strategy is often non-trivial to determine. Consequently, in this paper, we examine strategies for reconfiguration and, based on our experience, propose general guidelines for the tradeoffs using an area-time metric called functional density. Three experiments are set up to explore different reconfiguration strategies for FPGAs applied to a systolic implementation of a scalar quantizer used as a case study. Quantitative results for each experiment are given. The regular nature of the example means that the results can be generalized to a wide class of industry-relevant problems based on arrays.