An optimal algorithm for minimizing run-time reconfiguration delay
ACM Transactions on Embedded Computing Systems (TECS)
Journal of VLSI Signal Processing Systems
Reconfiguration in network of embedded systems: Challenges and adaptive tracking case study
Journal of Embedded Computing - Real-Time and Embedded Computing Systems
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The idea of managing the comprising computations of an application executed in an FPGA-based system is presented. An efficient algorithm for exploiting the timing slack of building blocks of the application is proposed. The slack of these blocks can be utilized by replacing them with slower but "cheaper" modules and by assigning the computations to the proper resources. Thus, our approach manages the comprising computations and system resources at the same time. This is performed without compromising the timing constraints of the application and can lead to significant improvements in power dissipation, computation accuracy or other design metrics based on the application domain. Our algorithm is well-suited for arbitrary tree computations. Moreover, it delivers solutions that are desirably close to the optimal solution. Experimental results for a number of object tracking applications executed on resources embedded in cameras, show a significant amount of slack utilization.