OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
internal row comparable wrapper:          Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
toSet                                               100            103           3          2.0         499.8       1.0X
mergePartitions                                     181            184           3          1.1         907.3       0.6X

