================================================================================================ Nested Schema Pruning Benchmark For ORC v1 ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Selection: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 116 148 22 8.6 115.9 1.0X Nested column 1200 1221 23 0.8 1200.3 0.1X Nested column in array 4786 4898 202 0.2 4785.6 0.0X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Limiting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 428 452 18 2.3 427.7 1.0X Nested column 1681 1725 53 0.6 1680.7 0.3X Nested column in array 5652 5699 47 0.2 5651.9 0.1X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Repartitioning: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 341 351 15 2.9 340.9 1.0X Nested column 1529 1559 31 0.7 1528.6 0.2X Nested column in array 5468 5517 97 0.2 5468.2 0.1X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Repartitioning by exprs: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 353 365 12 2.8 352.5 1.0X Nested column 4135 4171 23 0.2 4135.2 0.1X Nested column in array 8766 8816 56 0.1 8766.0 0.0X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Sample: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 115 133 25 8.7 115.3 1.0X Nested column 1200 1216 13 0.8 1199.7 0.1X Nested column in array 5296 5345 39 0.2 5296.3 0.0X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Sorting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 545 560 14 1.8 544.7 1.0X Nested column 4704 4813 184 0.2 4703.8 0.1X Nested column in array 9785 9824 42 0.1 9784.8 0.1X