================================================================================================ Compression Scheme Benchmark ================================================================================================ 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 BOOLEAN Encode: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough(1.000) 3 3 0 21087.3 0.0 1.0X RunLengthEncoding(2.514) 739 739 1 90.8 11.0 0.0X BooleanBitSet(0.125) 378 379 1 177.4 5.6 0.0X 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 BOOLEAN Decode: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough 147 147 1 456.1 2.2 1.0X RunLengthEncoding 731 732 1 91.8 10.9 0.2X BooleanBitSet 1410 1411 1 47.6 21.0 0.1X 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 SHORT Encode (Lower Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough(1.000) 7 7 0 9729.9 0.1 1.0X RunLengthEncoding(1.491) 1576 1576 1 42.6 23.5 0.0X 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 SHORT Decode (Lower Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough 1151 1152 1 58.3 17.2 1.0X RunLengthEncoding 1619 1621 3 41.4 24.1 0.7X 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 SHORT Encode (Higher Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough(1.000) 7 7 0 10135.7 0.1 1.0X RunLengthEncoding(2.010) 1659 1660 0 40.4 24.7 0.0X 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 SHORT Decode (Higher Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough 1151 1151 1 58.3 17.2 1.0X RunLengthEncoding 1655 1655 0 40.5 24.7 0.7X 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 INT Encode (Lower Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough(1.000) 23 23 0 2952.8 0.3 1.0X RunLengthEncoding(0.997) 2356 2356 0 28.5 35.1 0.0X DictionaryEncoding(0.500) 1402 1402 0 47.9 20.9 0.0X IntDelta(0.250) 213 213 0 315.2 3.2 0.1X 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 INT Decode (Lower Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough 1319 1319 1 50.9 19.7 1.0X RunLengthEncoding 1803 1806 5 37.2 26.9 0.7X DictionaryEncoding 931 931 0 72.1 13.9 1.4X IntDelta 817 821 4 82.2 12.2 1.6X 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 INT Encode (Higher Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough(1.000) 23 23 0 2976.8 0.3 1.0X RunLengthEncoding(1.337) 2552 2552 1 26.3 38.0 0.0X DictionaryEncoding(0.501) 1377 1377 0 48.7 20.5 0.0X IntDelta(0.250) 213 214 2 315.3 3.2 0.1X 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 INT Decode (Higher Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough 1438 1439 1 46.7 21.4 1.0X RunLengthEncoding 1987 1988 1 33.8 29.6 0.7X DictionaryEncoding 1249 1250 0 53.7 18.6 1.2X IntDelta 1135 1136 3 59.2 16.9 1.3X 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 LONG Encode (Lower Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough(1.000) 45 45 0 1487.9 0.7 1.0X RunLengthEncoding(0.750) 2496 2496 1 26.9 37.2 0.0X DictionaryEncoding(0.250) 1433 1433 1 46.8 21.4 0.0X LongDelta(0.125) 215 215 0 312.6 3.2 0.2X 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 LONG Decode (Lower Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough 1468 1469 1 45.7 21.9 1.0X RunLengthEncoding 1977 1981 6 33.9 29.5 0.7X DictionaryEncoding 1248 1250 3 53.8 18.6 1.2X LongDelta 838 840 2 80.1 12.5 1.8X 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 LONG Encode (Higher Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough(1.000) 47 47 0 1437.2 0.7 1.0X RunLengthEncoding(1.002) 2743 2744 0 24.5 40.9 0.0X DictionaryEncoding(0.251) 2016 2016 0 33.3 30.0 0.0X LongDelta(0.125) 215 217 5 312.1 3.2 0.2X 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 LONG Decode (Higher Skew): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough 1468 1468 0 45.7 21.9 1.0X RunLengthEncoding 2020 2021 2 33.2 30.1 0.7X DictionaryEncoding 1248 1248 0 53.8 18.6 1.2X LongDelta 1131 1134 4 59.4 16.8 1.3X 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 STRING Encode: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough(1.000) 71 71 0 939.6 1.1 1.0X RunLengthEncoding(0.890) 6050 6052 2 11.1 90.2 0.0X DictionaryEncoding(0.167) 3723 3725 2 18.0 55.5 0.0X 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 STRING Decode: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ PassThrough 2804 2815 16 23.9 41.8 1.0X RunLengthEncoding 3390 3391 1 19.8 50.5 0.8X DictionaryEncoding 2901 2905 5 23.1 43.2 1.0X