Treffer: Optimal routing-conscious dynamic placement for reconfigurable devices
Department of Mathematical Optimization, Braunschweig University of Technology, Germany
CC BY 4.0
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Electronics
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We describe algorithmic results for two crucial aspects of allocating resources on computational hardware devices with partial reconfigurability. By using methods from the field of computational geometry, we derive a method that allows correct maintainance of free and occupied space of a set of n rectangular modules in optimal time Θ(n log n); previous approaches needed a time of O(n2) for correct results and O(n) for heuristic results. We also show that finding an optimal feasible communication-conscious placement (which minimizes the total weighted Manhattan distance between the new module and existing demand points) can be computed in Θ(n log n). Both resulting algorithms are practically easy to implement and show convincing experimental behavior.