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A Low Fragmentation Heuristic for Task Placement in 2D RTR HW Management

  • Jesus Tabero
  • Julio Septién
  • Hortensia Mecha
  • Daniel Mozos
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3203)

Abstract

A novel technique is proposed for the management of a two-dimensional run-time reconfigurable device in order to get true hardware multitasking. The proposed technique uses a Vertex List Set to keep track of the available free area, and of the candidate locations to place the arriving tasks. Each Vertex List describes the contour of each unoccupied area fragment in the reconfigurable device. Several heuristics are proposed to solve the problem of selecting one of the vertices to place the task. The heuristic that gives best results is based on a novel fragmentation metric. This metric estimates for each alternative location the suitability of the resulting free device area to accept future incoming tasks. Finally, we show that our approach, with a reasonable complexity, gives better results, in terms of device fragmentation and efficiency, than other techniques.

Keywords

Free Area Task Placement Reconfigurable Computing Candidate Vertex Feasible Location 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Jesus Tabero
    • 1
  • Julio Septién
    • 2
  • Hortensia Mecha
    • 2
  • Daniel Mozos
    • 2
  1. 1.Instituto Nacional de Técnica AeroespacialMadridSpain
  2. 2.Universidad Complutense de MadridMadridSpain

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