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radix sort
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OpenJDK 64-Bit Server VM 17.0.1+12-LTS on Linux 5.11.0-1022-azure
Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
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                11914          12211         420          2.1         476.6       1.0X
reference Arrays.sort                              2498           2623         177         10.0          99.9       4.8X
radix sort one byte                                 500            504           4         50.0          20.0      23.8X
radix sort two bytes                                969            980          12         25.8          38.7      12.3X
radix sort eight bytes                             3765           3846         114          6.6         150.6       3.2X
radix sort key prefix array                        7220           7230          14          3.5         288.8       1.7X


