Parallel merging with restriction |
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Authors: | Hazem M Bahig |
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Affiliation: | (1) Computer Science Division, Department of Mathematics, Faculty of Science, Ain Shams University, Cairo, Egypt |
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Abstract: | In this paper, we study the merging of two sorted arrays
and
on EREW PRAM with two restrictions: (1) The elements of two arrays are taken from the integer range 1,n], where n=Max(n
1,n
2). (2) The elements are taken from either uniform distribution or non-uniform distribution such that
, for 1≤i≤p (number of processors). We give a new optimal deterministic algorithm runs in
time using p processors on EREW PRAM. For
; the running time of the algorithm is O(log (g)
n) which is faster than the previous results, where log (g)
n=log log (g−1)
n for g>1 and log (1)
n=log n. We also extend the domain of input data to 1,n
k
], where k is a constant.
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Keywords: | Parallel algorithms Optimal algorithms Integer merging EREW PRAM |
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