Kirkpatrick–Reisch sort

Fast sort algorithm for items with limited-size integer keys

Kirkpatrick–Reisch sorting is a fast sorting algorithm for items with limited-size integer keys. It is notable for having an asymptotic time complexity that is better than radix sort.^[1]^[2]

References

^ Czajka, Tomek (2020年06月06日). "Faster than radix sort: Kirkpatrick-Reisch sorting". Sorting and Searching. Retrieved 2020年06月09日.
^ Kirkpatrick, David; Reisch, Stefan (1983年01月01日). "Upper bounds for sorting integers on random access machines". Theoretical Computer Science. 28 (3): 263–276. doi:10.1016/0304-3975(83)90023-3. ISSN 0304-3975.

v t e Sorting algorithms
Theory	Computational complexity theory Big O notation Total order Lists Inplacement Stability Comparison sort Adaptive sort Sorting network Integer sorting X + Y sorting Transdichotomous model Quantum sort
Exchange sorts	Bubble sort Cocktail shaker sort Odd–even sort Comb sort Gnome sort Proportion extend sort Quicksort
Selection sorts	Selection sort Heapsort Smoothsort Cartesian tree sort Tournament sort Cycle sort Weak-heap sort
Insertion sorts	Insertion sort Shellsort Splaysort Tree sort Library sort Patience sorting
Merge sorts	Merge sort Cascade merge sort Oscillating merge sort Polyphase merge sort
Distribution sorts	American flag sort Bead sort Bucket sort Burstsort Counting sort Interpolation sort Pigeonhole sort Proxmap sort Radix sort Flashsort
Concurrent sorts	Bitonic sorter Batcher odd–even mergesort Pairwise sorting network Samplesort
Hybrid sorts	Block merge sort Introsort Kirkpatrick–Reisch sort Merge-insertion sort Powersort Timsort Spreadsort
Other	Topological sorting Pre-topological order Pancake sorting Spaghetti sort
Impractical sorts	Stooge sort Slowsort Bogosort

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