Defragmenting the Module Layout of a Partially Reconfigurable Device

Ahmadinia A, Bobda C, Fekete SP, Hannig F, Majer M, Teich J, Van Der Veen JC (2005)

Publication Type: Conference contribution

Publication year: 2005

Edited Volumes: Proceedings of the 2005 International Conference on Engineering of Reconfigurable Systems and Algorithms, ERSA'05

Pages Range: 92-101

Conference Proceedings Title: Proceedings of the International Conference on Engineering of Reconfigurable Systems and Algorithms

Event location: Las Vegas, NV US

ISBN: 1-932415-74-2

Abstract

Modern generations of field-programmable gate arrays (FPGAs) allow for partial reconfiguration. In an online context, where the sequence of modules to be loaded on the FPGA is unknown beforehand, repeated insertion and deletion of modules leads to progressive fragmentation of the available space, making defragmentation an important issue. We address this problem by propose an online and an offline component for the defragmentation of the available space. We consider defragmenting the module layout on a reconfigurable device. This corresponds to solving a two-dimensional strip packing problem. Problems of this type are NP-hard in the strong sense, and previous algorithmic results are rather limited. Based on a graph-theoretic characterization of feasible packings, we develop a method that can solve two-dimensional defragmentation instances of practical size to optimality. Our approach is validated for a set of benchmark instances.

Authors with CRIS profile

Frank Hannig Lehrstuhl für Informatik 12 (Hardware-Software-Co-Design) Jürgen Teich Lehrstuhl für Informatik 12 (Hardware-Software-Co-Design)

Related research project(s)

Optimization methodologies for reconfiguration management on reconfigurable hardware nodes (ReCoNodes) SPP 1148: Rekonfigurierbare Rechensysteme June 1, 2003 - May 31, 2009

Involved external institutions

Technische Universität Braunschweig DE Germany (DE)

How to cite

APA:

Ahmadinia, A., Bobda, C., Fekete, S.P., Hannig, F., Majer, M., Teich, J., & Van Der Veen, J.C. (2005). Defragmenting the Module Layout of a Partially Reconfigurable Device. In Proceedings of the International Conference on Engineering of Reconfigurable Systems and Algorithms (pp. 92-101). Las Vegas, NV, US.

MLA:

Ahmadinia, Ali, et al. "Defragmenting the Module Layout of a Partially Reconfigurable Device." Proceedings of the International Conference on Engineering of Reconfigurable Systems and Algorithms (ERSA ), Las Vegas, NV 2005. 92-101.

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