By Rudolf Loeser
Communications of the ACM,
March 1974,
Vol. 17 No. 3, Pages 143-152
10.1145/360860.360870
Comments
Detailed performance evaluations are presented for six ACM algorithms: quicksort (No. 64), Shellsort (No. 201), stringsort (No. 207), “TREESORT3” (No. 245), quickersort (No. 271), and qsort (No. 402). Algorithms 271 and 402 are refinements of algorithm 64, and all three are discussed in some detail. The evidence given here demonstrates that qsort (No. 402) requires many more comparisons than its author claims. Of all these algorithms, quickersort requires the fewest comparisons to sort random arrays.
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