================================================================================================ Compression Scheme Benchmark ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz BOOLEAN Encode: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough(1.000) 4 / 4 17998.9 0.1 1.0X RunLengthEncoding(2.501) 680 / 680 98.7 10.1 0.0X BooleanBitSet(0.125) 365 / 365 183.9 5.4 0.0X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz BOOLEAN Decode: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough 144 / 144 466.5 2.1 1.0X RunLengthEncoding 679 / 679 98.9 10.1 0.2X BooleanBitSet 1425 / 1431 47.1 21.2 0.1X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz SHORT Encode (Lower Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough(1.000) 7 / 7 10115.0 0.1 1.0X RunLengthEncoding(1.494) 1671 / 1672 40.2 24.9 0.0X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz SHORT Decode (Lower Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough 1128 / 1128 59.5 16.8 1.0X RunLengthEncoding 1630 / 1633 41.2 24.3 0.7X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz SHORT Encode (Higher Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough(1.000) 7 / 7 10164.2 0.1 1.0X RunLengthEncoding(1.989) 1562 / 1563 43.0 23.3 0.0X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz SHORT Decode (Higher Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough 1127 / 1127 59.6 16.8 1.0X RunLengthEncoding 1629 / 1631 41.2 24.3 0.7X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz INT Encode (Lower Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough(1.000) 22 / 23 2983.2 0.3 1.0X RunLengthEncoding(1.003) 2426 / 2427 27.7 36.1 0.0X DictionaryEncoding(0.500) 958 / 958 70.1 14.3 0.0X IntDelta(0.250) 286 / 286 235.0 4.3 0.1X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz INT Decode (Lower Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough 1268 / 1269 52.9 18.9 1.0X RunLengthEncoding 1906 / 1911 35.2 28.4 0.7X DictionaryEncoding 981 / 982 68.4 14.6 1.3X IntDelta 812 / 817 82.6 12.1 1.6X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz INT Encode (Higher Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough(1.000) 23 / 23 2926.9 0.3 1.0X RunLengthEncoding(1.326) 2614 / 2614 25.7 38.9 0.0X DictionaryEncoding(0.501) 1024 / 1024 65.5 15.3 0.0X IntDelta(0.250) 286 / 286 234.7 4.3 0.1X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz INT Decode (Higher Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough 1433 / 1433 46.8 21.4 1.0X RunLengthEncoding 1923 / 1926 34.9 28.6 0.7X DictionaryEncoding 1285 / 1285 52.2 19.2 1.1X IntDelta 1129 / 1137 59.4 16.8 1.3X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz LONG Encode (Lower Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough(1.000) 45 / 45 1495.6 0.7 1.0X RunLengthEncoding(0.738) 2662 / 2663 25.2 39.7 0.0X DictionaryEncoding(0.250) 1269 / 1269 52.9 18.9 0.0X LongDelta(0.125) 450 / 450 149.1 6.7 0.1X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz LONG Decode (Lower Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough 1483 / 1483 45.3 22.1 1.0X RunLengthEncoding 1875 / 1875 35.8 27.9 0.8X DictionaryEncoding 1213 / 1214 55.3 18.1 1.2X LongDelta 816 / 817 82.2 12.2 1.8X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz LONG Encode (Higher Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough(1.000) 45 / 45 1489.3 0.7 1.0X RunLengthEncoding(1.003) 2906 / 2906 23.1 43.3 0.0X DictionaryEncoding(0.251) 1610 / 1610 41.7 24.0 0.0X LongDelta(0.125) 451 / 451 148.7 6.7 0.1X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz LONG Decode (Higher Skew): Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough 1485 / 1485 45.2 22.1 1.0X RunLengthEncoding 1889 / 1890 35.5 28.2 0.8X DictionaryEncoding 1215 / 1216 55.2 18.1 1.2X LongDelta 1107 / 1110 60.6 16.5 1.3X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz STRING Encode: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough(1.000) 67 / 68 994.5 1.0 1.0X RunLengthEncoding(0.894) 5877 / 5882 11.4 87.6 0.0X DictionaryEncoding(0.167) 3597 / 3602 18.7 53.6 0.0X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz STRING Decode: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ PassThrough 3243 / 3244 20.7 48.3 1.0X RunLengthEncoding 3598 / 3601 18.7 53.6 0.9X DictionaryEncoding 3182 / 3182 21.1 47.4 1.0X