Multitasking support for dynamically reconfigurable systems

Heiko Hinkelmann; Andreas Gunberg; Peter Zipf; Leandro Soares Indrusiak; Manfred Glesner

Multitasking support for dynamically reconfigurable systems

Heiko Hinkelmann, Andreas Gunberg, Peter Zipf, Leandro Soares Indrusiak, Manfred Glesner

Computer Science

Research output: Contribution to journal › Article › peer-review

Abstract

Reconfigurable hardware is often used in an attempt to boost performance of an embedded system while minimizing the cost penalty of additional hardware. The key method applied to achieve this goal is the re-use of hardware resources for different tasks. However, reconfigurable systems tend to have a large internal state, which complicates rapid task switching, as it is required for multitasking in real-time systems, significantly. We present a control technique enabling a fast and efficient preemption of dynamically reconfigurable systems which is largely performed by hardware. The technique handles the problem of internal state preservation and reduces the preemption effort by applying the concept of preemption points. The implementation of the system control and an evaluation of the performance is given, showing the high efficiency of the concept.

Original language	English
Pages (from-to)	219-224
Number of pages	6
Journal	2006 INTERNATIONAL CONFERENCE ON FIELD PROGRAMMABLE LOGIC AND APPLICATIONS, PROCEEDINGS
Publication status	Published - 2006

Cite this

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AU - Gunberg, Andreas

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AU - Indrusiak, Leandro Soares

AU - Glesner, Manfred

PY - 2006

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AB - Reconfigurable hardware is often used in an attempt to boost performance of an embedded system while minimizing the cost penalty of additional hardware. The key method applied to achieve this goal is the re-use of hardware resources for different tasks. However, reconfigurable systems tend to have a large internal state, which complicates rapid task switching, as it is required for multitasking in real-time systems, significantly. We present a control technique enabling a fast and efficient preemption of dynamically reconfigurable systems which is largely performed by hardware. The technique handles the problem of internal state preservation and reduces the preemption effort by applying the concept of preemption points. The implementation of the system control and an evaluation of the performance is given, showing the high efficiency of the concept.

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JO - 2006 INTERNATIONAL CONFERENCE ON FIELD PROGRAMMABLE LOGIC AND APPLICATIONS, PROCEEDINGS

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