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radix sort
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OpenJDK 64-Bit Server VM 1.8.0_352-b08 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz
radix sort 25000000:                      Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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reference TimSort key prefix array                13455          13549         133          1.9         538.2       1.0X
reference Arrays.sort                              3050           3063          19          8.2         122.0       4.4X
radix sort one byte                                 457            466           8         54.7          18.3      29.4X
radix sort two bytes                                906            912          10         27.6          36.2      14.9X
radix sort eight bytes                             3541           3559          25          7.1         141.7       3.8X
radix sort key prefix array                        6649           6729         113          3.8         266.0       2.0X


