HW/SW codesign techniques for dynamically reconfigurable architectures

  • Authors:
  • Juanjo Noguera;Rosa M. Badia

  • Affiliations:
  • Hewlett-Packard Inkjet Commercial Division, Department of Research and Development, San Cugat del Valles, 08190 Spain;Technical University of Catalonia (DAC-UPC), Computer Architecture Department, Barcelona, 08034 Spain

  • Venue:
  • IEEE Transactions on Very Large Scale Integration (VLSI) Systems
  • Year:
  • 2002

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Abstract

Hardward/software (HW/SW) codesign and reconfigurable computing are commonly used methodologies for digital-systems design. However, no previous work has been carried out in order to define a HW/SW codesign methodology with dynamic scheduling for run-time reconfigurable architectures. In addition, all previous approaches to reconfigurable computing multicontext scheduling are based on static-scheduling techniques. In this paper, we present three main contributions: 1) a novel HW/SW codesign methodology with dynamic scheduling for discrete event systems using dynamically reconfigurable architectures; 2) a new dynamic approach to reconfigurable computing multicontext scheduling; and 3) a HW/SW partitioning algorithm for dynamically reconfigurable architectures. We have developed a whole codesign framework, where we have applied our methodology and algorithms to the case study of software acceleration. An exhaustive study has been carried out, and the obtained results demonstrate the benefits of our approach.