================================================================================================ Compression Scheme Benchmark ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 21114.6 0.0 1.0X RunLengthEncoding(2.505) 694 696 4 96.7 10.3 0.0X BooleanBitSet(0.125) 366 366 0 183.4 5.5 0.0X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 145 145 0 464.2 2.2 1.0X RunLengthEncoding 735 735 0 91.3 10.9 0.2X BooleanBitSet 1437 1437 1 46.7 21.4 0.1X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 9336.6 0.1 1.0X RunLengthEncoding(1.494) 1912 1917 7 35.1 28.5 0.0X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 1104 1104 0 60.8 16.4 1.0X RunLengthEncoding 1627 1628 0 41.2 24.3 0.7X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 9710.6 0.1 1.0X RunLengthEncoding(2.003) 2021 2027 9 33.2 30.1 0.0X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 1104 1104 0 60.8 16.5 1.0X RunLengthEncoding 1621 1621 0 41.4 24.1 0.7X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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) 24 24 0 2854.3 0.4 1.0X RunLengthEncoding(1.005) 2395 2396 2 28.0 35.7 0.0X DictionaryEncoding(0.500) 1366 1366 0 49.1 20.3 0.0X IntDelta(0.250) 286 287 0 234.2 4.3 0.1X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 1248 1248 0 53.8 18.6 1.0X RunLengthEncoding 1738 1739 2 38.6 25.9 0.7X DictionaryEncoding 969 970 0 69.2 14.4 1.3X IntDelta 777 779 1 86.3 11.6 1.6X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 2874.4 0.3 1.0X RunLengthEncoding(1.334) 2581 2581 0 26.0 38.5 0.0X DictionaryEncoding(0.501) 1490 1490 0 45.0 22.2 0.0X IntDelta(0.250) 286 286 0 234.5 4.3 0.1X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 1389 1389 0 48.3 20.7 1.0X RunLengthEncoding 1903 1903 0 35.3 28.4 0.7X DictionaryEncoding 1231 1232 1 54.5 18.3 1.1X IntDelta 1103 1108 7 60.8 16.4 1.3X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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) 48 48 0 1405.2 0.7 1.0X RunLengthEncoding(0.757) 2525 2525 1 26.6 37.6 0.0X DictionaryEncoding(0.250) 1380 1381 1 48.6 20.6 0.0X LongDelta(0.125) 474 474 0 141.7 7.1 0.1X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 1348 1349 0 49.8 20.1 1.0X RunLengthEncoding 1850 1851 2 36.3 27.6 0.7X DictionaryEncoding 1190 1192 3 56.4 17.7 1.1X LongDelta 801 801 0 83.8 11.9 1.7X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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) 46 46 0 1451.2 0.7 1.0X RunLengthEncoding(1.003) 2742 2743 1 24.5 40.9 0.0X DictionaryEncoding(0.251) 1714 1715 0 39.1 25.5 0.0X LongDelta(0.125) 476 476 0 140.9 7.1 0.1X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 1362 1363 1 49.3 20.3 1.0X RunLengthEncoding 1862 1863 1 36.0 27.7 0.7X DictionaryEncoding 1190 1192 3 56.4 17.7 1.1X LongDelta 1079 1082 4 62.2 16.1 1.3X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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) 67 67 0 994.8 1.0 1.0X RunLengthEncoding(0.888) 6135 6137 2 10.9 91.4 0.0X DictionaryEncoding(0.167) 3747 3748 0 17.9 55.8 0.0X OpenJDK 64-Bit Server VM 1.8.0_222-b10 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 3180 3185 8 21.1 47.4 1.0X RunLengthEncoding 3658 3660 3 18.3 54.5 0.9X DictionaryEncoding 3292 3295 4 20.4 49.1 1.0X