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Algorithms for the Problem of K Maximum Sums and a VLSI Algorithm for the K Maximum Subarrays Problem
Hong Kong, SAR, China May 10-May 12
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ISPAN.2004.13004882004 International Symposium on Paral ...
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Sung Eun Bae, University of Canterbury, Christchurch, New Zealand
Tadao Takaoka, University of Canterbury, Christchurch, New Zealand
Given an array of positive and negative values, we consider the problem of K maximum sums. When an overlapping property needs to be observed, previous algorithms for the maximum sum are not directly applicable. We designed an O(K * n) algorithm for the K maximum subsequences problem. This was then modified to solve the K maximum subarrays problem in O(K * n{3}) time. Finally, we present a VLSI K maximum subarrays algorithm with O(K * n) steps and a circuit size of O(n{2}), which is cost-optimal in parallelisation of the sequential algorithm.
Index Terms:
maximum subarray, maximum subsequence, prefix sums, VLSI
Citation:
Sung Eun Bae, Tadao Takaoka, "Algorithms for the Problem of K Maximum Sums and a VLSI Algorithm for the K Maximum Subarrays Problem," ispan, pp.247, 2004 International Symposium on Parallel Architectures, Algorithms and Networks (ISPAN'04), 2004
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