By D. S. Hirschberg
Communications of the ACM,
August 1978,
Vol. 21 No. 8, Pages 657-661
10.1145/359576.359582
Comments
A parallel bucket-sort algorithm is presented that requires time O(log n) and the use of n processors. The algorithm makes use of a technique that requires more space than the product of processors and time. A realistic model is used in which no memory contention is permitted. A procedure is also presented to sort n numbers in time O(k log n) using n1+1/k processors, for k an arbitrary integer. The model of computation for this procedure permits simultaneous fetches from the same memory location.
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