Communication and Memory Optimized Tree Contraction and List Ranking
Abstract
We present a simple and efficient algorithm for the Tree Contraction Problem on a Coarse Grained $p$-Multiprocessor. With respect to its total computing time, its demand of memory and its total inter-processor communication it is only a small constant factor away from optimality. Unless traditional PRAM algorithms it doesn't use List Ranking as a necessary subroutine but specializes to List Ranking when applied to lists.
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