Abstract

Abstract We describe a new strategy to solve geometric problems that trades off time × processors in hypercubic networks. Let N be the size of the input. Using a hypercube of size N1+1/κ propose O(κlog N) time solutions for the ECDF searching, closest points, and convex hull problems. Such a strategy, based on the sparse enumeration sort, is of practical interest, since it provides time-optimal parallel algorithms that arc simple and have small constants related to their running times.

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