OpenJDK 64-Bit Server VM 1.8.0_282-b08 on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz make_date(): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ prepare make_date() 2468 2609 192 40.5 24.7 1.0X make_date(2019, 9, 16) 2260 2298 44 44.2 22.6 1.1X make_date(*, *, *) 4163 4247 74 24.0 41.6 0.6X OpenJDK 64-Bit Server VM 1.8.0_282-b08 on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz make_timestamp(): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative --------------------------------------------------------------------------------------------------------------------------- prepare make_timestamp() 3667 3722 54 0.3 3667.0 1.0X make_timestamp(2019, 1, 2, 3, 4, 50.123456) 44 44 0 22.9 43.6 84.0X make_timestamp(2019, 1, 2, 3, 4, 60.000000) 41 42 1 24.3 41.1 89.1X make_timestamp(2019, 12, 31, 23, 59, 60.00) 41 43 3 24.6 40.7 90.0X make_timestamp(*, *, *, 3, 4, 50.123456) 244 247 2 4.1 244.4 15.0X make_timestamp(*, *, *, *, *, 0) 241 248 7 4.2 240.6 15.2X make_timestamp(*, *, *, *, *, 60.0) 239 245 6 4.2 239.5 15.3X make_timestamp(2019, 1, 2, *, *, *) 3894 3944 58 0.3 3893.6 0.9X make_timestamp(*, *, *, *, *, *) 3952 3976 38 0.3 3951.8 0.9X