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An automatic tool flow for the combined implementation of multi-mode circuits

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Abstract
A multi-mode circuit implements the functionality of a limited number of circuits, called modes, of which at any given time only one needs to be realised. Using run-time reconfiguration of an FPGA, all the modes can be implemented on the same reconfigurable region, requiring only an area that can contain the biggest mode. Typically, conventional run-time reconfiguration techniques generate a configuration for every mode separately. To switch between modes the complete reconfigurable region is rewritten, which often leads to very long reconfiguration times. In this paper we present a novel, fully automated tool flow that exploits similarities between the modes and uses Dynamic Circuit Specialization to drastically reduce reconfiguration time. Experimental results show that the number of bits that is rewritten in the configuration memory reduces with a factor from 4.6X to 5.1X without significant performance penalties.
Keywords
Dynamic Circuit Specialization, run-time reconfiguration, FPGA

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Citation

Please use this url to cite or link to this publication:

MLA
Al Farisi, Brahim et al. “An Automatic Tool Flow for the Combined Implementation of Multi-mode Circuits.” Proceedings - Design, Automation, and Test in Europe Conference and Exhibition. 2013. 821–826. Print.
APA
Al Farisi, B., Bruneel, K., Cardoso, J. M. P., & Stroobandt, D. (2013). An automatic tool flow for the combined implementation of multi-mode circuits. Proceedings - Design, Automation, and Test in Europe Conference and Exhibition (pp. 821–826). Presented at the Design, Automation & Test in Europe Conference & Exhibition (DATE - 2013).
Chicago author-date
Al Farisi, Brahim, Karel Bruneel, João M. P. Cardoso, and Dirk Stroobandt. 2013. “An Automatic Tool Flow for the Combined Implementation of Multi-mode Circuits.” In Proceedings - Design, Automation, and Test in Europe Conference and Exhibition, 821–826.
Chicago author-date (all authors)
Al Farisi, Brahim, Karel Bruneel, João M. P. Cardoso, and Dirk Stroobandt. 2013. “An Automatic Tool Flow for the Combined Implementation of Multi-mode Circuits.” In Proceedings - Design, Automation, and Test in Europe Conference and Exhibition, 821–826.
Vancouver
1.
Al Farisi B, Bruneel K, Cardoso JMP, Stroobandt D. An automatic tool flow for the combined implementation of multi-mode circuits. Proceedings - Design, Automation, and Test in Europe Conference and Exhibition. 2013. p. 821–6.
IEEE
[1]
B. Al Farisi, K. Bruneel, J. M. P. Cardoso, and D. Stroobandt, “An automatic tool flow for the combined implementation of multi-mode circuits,” in Proceedings - Design, Automation, and Test in Europe Conference and Exhibition, Grenoble, France, 2013, pp. 821–826.
@inproceedings{4134604,
  abstract     = {A multi-mode circuit implements the functionality of a limited number of circuits, called modes, of which at any given time only one needs to be realised. Using run-time reconfiguration of an FPGA, all the modes can be implemented on the same reconfigurable region, requiring only an area that can contain the biggest mode. Typically, conventional run-time reconfiguration techniques generate a configuration for every mode separately.  To switch between modes the complete reconfigurable region is rewritten, which often leads to very long reconfiguration times. In this paper we present a novel, fully automated tool flow that exploits similarities between the modes and uses Dynamic Circuit Specialization to drastically reduce reconfiguration time. Experimental results show that the number of bits that is rewritten in the configuration memory reduces with a factor from 4.6X to 5.1X without significant performance penalties.},
  author       = {Al Farisi, Brahim and Bruneel, Karel and Cardoso, João M. P.  and Stroobandt, Dirk},
  booktitle    = {Proceedings - Design, Automation, and Test in Europe Conference and Exhibition},
  isbn         = {9783981537000},
  issn         = {1530-1591},
  keywords     = {Dynamic Circuit Specialization,run-time reconfiguration,FPGA},
  language     = {eng},
  location     = {Grenoble, France},
  pages        = {821--826},
  title        = {An automatic tool flow for the combined implementation of multi-mode circuits},
  year         = {2013},
}