A randomized parallel 3D convex hull algorithm for coarse grained multicomputers
Proceedings of the seventh annual ACM symposium on Parallel algorithms and architectures
Journal of Artificial Intelligence Research
A Randomized Parallel Three-Dimensional Convex Hull Algorithm for Coarse-Grained Multicomputers
Theory of Computing Systems
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It is shown that, for any fixed dimension d, the linear programming problem with n inequality constraints can be solvent on a probabilistic CRCW PRAM (concurrent-read-concurrent-write parallel random-access machine) with O(n) processors almost surely in constant time. The algorithm always finds the correct solution. With nd/log/sup 2/d processors, the probability that the algorithm will not finish within O(d/sup 2/log/sup 2/d) time tends to zero exponentially with n.