================================================================================================ Char Varchar Read Side Perf ================================================================================================ Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Read with length 20, hasSpaces: false: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ read string with length 20 1504 1508 4 66.5 15.0 1.0X read char with length 20 1680 1684 3 59.5 16.8 0.9X read varchar with length 20 1659 1682 26 60.3 16.6 0.9X Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Read with length 40, hasSpaces: false: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ read string with length 40 1662 1678 15 60.2 16.6 1.0X read char with length 40 1721 1731 9 58.1 17.2 1.0X read varchar with length 40 1694 1706 12 59.0 16.9 1.0X Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Read with length 60, hasSpaces: false: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ read string with length 60 1623 1643 23 61.6 16.2 1.0X read char with length 60 1644 1685 66 60.8 16.4 1.0X read varchar with length 60 1660 1680 18 60.2 16.6 1.0X Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Read with length 80, hasSpaces: true: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ read string with length 80 1629 1678 57 61.4 16.3 1.0X read char with length 80 1630 1667 65 61.3 16.3 1.0X read varchar with length 80 1664 1684 34 60.1 16.6 1.0X Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Read with length 100, hasSpaces: true: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ read string with length 100 1594 1612 17 62.7 15.9 1.0X read char with length 100 1631 1642 11 61.3 16.3 1.0X read varchar with length 100 1635 1644 13 61.1 16.4 1.0X ================================================================================================ Char Varchar Write Side Perf ================================================================================================ Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Write with length 20, hasSpaces: false: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ write string with length 20 2760 2784 21 3.6 276.0 1.0X write char with length 20 2898 2917 22 3.5 289.8 1.0X write varchar with length 20 2876 2892 14 3.5 287.6 1.0X Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Write with length 40, hasSpaces: false: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ write string with length 40 2726 2734 9 3.7 272.6 1.0X write char with length 40 2885 2898 16 3.5 288.5 0.9X write varchar with length 40 2844 2860 15 3.5 284.4 1.0X Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Write with length 60, hasSpaces: false: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ write string with length 60 2724 2739 21 3.7 272.4 1.0X write char with length 60 2868 2912 44 3.5 286.8 0.9X write varchar with length 60 2870 2896 23 3.5 287.0 0.9X Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Write with length 80, hasSpaces: true: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ write string with length 80 9094 9154 71 1.1 909.4 1.0X write char with length 80 9471 9489 19 1.1 947.1 1.0X write varchar with length 80 15099 15130 28 0.7 1509.9 0.6X Java HotSpot(TM) 64-Bit Server VM 1.8.0_251-b08 on Mac OS X 10.16 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz Write with length 100, hasSpaces: true: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ write string with length 100 10152 10253 94 1.0 1015.2 1.0X write char with length 100 10831 10834 3 0.9 1083.1 0.9X write varchar with length 100 19486 19560 73 0.5 1948.6 0.5X