================================================================================================ Pseudo random ================================================================================================ OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz nextInt: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ java.util.Random 1362 1362 0 73.4 13.6 1.0X XORShiftRandom 227 227 0 440.6 2.3 6.0X OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz nextLong: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ java.util.Random 2725 2726 1 36.7 27.3 1.0X XORShiftRandom 694 694 1 144.1 6.9 3.9X OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz nextDouble: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ java.util.Random 2727 2728 0 36.7 27.3 1.0X XORShiftRandom 693 694 0 144.2 6.9 3.9X OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz nextGaussian: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ java.util.Random 7012 7016 4 14.3 70.1 1.0X XORShiftRandom 6065 6067 1 16.5 60.7 1.2X ================================================================================================ hash seed ================================================================================================ OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Hash seed: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ XORShiftRandom.hashSeed 36 37 1 276.5 3.6 1.0X