OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 on Linux 4.15.0-1044-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz cast strings to intervals: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ prepare string w/ interval 756 831 78 1.3 756.4 1.0X prepare string w/o interval 622 637 15 1.6 622.4 1.2X 1 units w/ interval 506 532 22 2.0 506.2 1.5X 1 units w/o interval 472 477 9 2.1 471.6 1.6X 2 units w/ interval 699 710 11 1.4 698.5 1.1X 2 units w/o interval 670 674 6 1.5 669.9 1.1X 3 units w/ interval 1431 1437 7 0.7 1431.3 0.5X 3 units w/o interval 1418 1429 11 0.7 1418.2 0.5X 4 units w/ interval 1687 1692 8 0.6 1686.8 0.4X 4 units w/o interval 1679 1688 7 0.6 1679.4 0.5X 5 units w/ interval 1862 1864 3 0.5 1861.9 0.4X 5 units w/o interval 1847 1864 15 0.5 1846.9 0.4X 6 units w/ interval 2067 2081 12 0.5 2066.9 0.4X 6 units w/o interval 2070 2071 2 0.5 2069.6 0.4X 7 units w/ interval 2458 2468 13 0.4 2457.7 0.3X 7 units w/o interval 2450 2453 3 0.4 2450.1 0.3X 8 units w/ interval 2833 2838 8 0.4 2832.6 0.3X 8 units w/o interval 2830 2839 8 0.4 2829.8 0.3X 9 units w/ interval 2873 2880 6 0.3 2873.4 0.3X 9 units w/o interval 2860 2863 3 0.3 2860.1 0.3X 10 units w/ interval 3252 3257 5 0.3 3252.2 0.2X 10 units w/o interval 3212 3220 8 0.3 3211.6 0.2X 11 units w/ interval 3369 3376 6 0.3 3368.5 0.2X 11 units w/o interval 3384 3395 15 0.3 3384.2 0.2X