================================================================================================ Nested Schema Pruning Benchmark For ORC v1 ================================================================================================ OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 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 155 197 23 6.5 155.0 1.0X Nested column 1290 1338 43 0.8 1289.9 0.1X Nested column in array 5914 5989 57 0.2 5914.1 0.0X OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 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 463 537 53 2.2 463.2 1.0X Nested column 1807 1874 62 0.6 1807.3 0.3X Nested column in array 6729 6906 116 0.1 6729.4 0.1X OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 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 378 402 18 2.6 377.7 1.0X Nested column 1765 1794 46 0.6 1765.4 0.2X Nested column in array 6675 6718 42 0.1 6674.6 0.1X OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 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 384 399 8 2.6 383.7 1.0X Nested column 4724 4820 72 0.2 4724.3 0.1X Nested column in array 9256 9405 133 0.1 9255.7 0.0X OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 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 121 137 13 8.3 120.7 1.0X Nested column 1303 1361 45 0.8 1303.2 0.1X Nested column in array 5901 5978 49 0.2 5901.0 0.0X OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 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 651 675 30 1.5 650.8 1.0X Nested column 5398 5527 179 0.2 5397.9 0.1X Nested column in array 10413 10685 310 0.1 10413.1 0.1X