Prague Stringology Conference 2013

Matthew Felice Pace and Alexander Tiskin

Parallel Suffix Array Construction by Accelerated Sampling

Abstract:
A deterministic BSP algorithm for constructing the suffix array of a given string is presented, based on a technique that we call accelerated sampling. It runs in optimal O(
n
p
) local computation and communication, and requires a near optimal O(log log p) supersteps. The algorithm provides an improvement over the synchronisation costs of existing algorithms, and reinforces the importance of the sampling technique.

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