This paper explores the effect of memory system … in practice over algorithms that are theoretically superior … [RAM and I/O memory] models. … [p. 52] R-MERGE uses a hybrid mergesort/quicksort approach that … [memory] stalls, streaming behaviour, etc., rather than merely minimizing cache misses. … [p. 54] Our mergesorts combine the advantage of quicksort … [p. 58] Comparing the fastest programs (quicksort and R-MERGE), …
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