OpenJDK 64-Bit Server VM 21.0.8+9-LTS on Linux 6.11.0-1018-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                                                81             84           2          2.5         406.5       1.0X
mergePartitions                                     139            141           2          1.4         695.7       0.6X