Hardware

Reconfiguration Strategies for Online Hardware Multitasking in Embedded Systems

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Executive Summary

An intensive use of reconfigurable hardware is expected in future embedded systems. This means that the system has to decide which tasks are more suitable for hardware execution. In order to make an efficient use of the FPGA it is convenient to choose one that allows hardware multitasking, which is implemented by using partial dynamic reconfiguration. One of the challenges for hardware multitasking in embedded systems is the online management of the only reconfiguration port of present FPGA devices. This paper presents different online reconfiguration scheduling strategies which assign the reconfiguration interface resource using different criteria: workload distribution or task' deadline.

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