2005 | OriginalPaper | Buchkapitel
Cache-Aware and Cache-Oblivious Adaptive Sorting
verfasst von : Gerth Stølting Brodal, Rolf Fagerberg, Gabriel Moruz
Erschienen in: Automata, Languages and Programming
Verlag: Springer Berlin Heidelberg
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Two new adaptive sorting algorithms are introduced which perform an optimal number of comparisons with respect to the number of inversions in the input. The first algorithm is based on a new linear time reduction to (non-adaptive) sorting. The second algorithm is based on a new division protocol for the GenericSort algorithm by Estivill-Castro and Wood. From both algorithms we derive I/O-optimal cache-aware and cache-oblivious adaptive sorting algorithms. These are the first I/O-optimal adaptive sorting algorithms.