================================================================================================ Nested Schema Pruning Benchmark For ORC v2 ================================================================================================ OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz Selection: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 69 74 6 14.4 69.3 1.0X Nested column 653 665 11 1.5 652.5 0.1X Nested column in array 3065 3085 22 0.3 3064.7 0.0X OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz Limiting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 382 435 53 2.6 382.4 1.0X Nested column 970 1006 41 1.0 970.3 0.4X Nested column in array 3452 3551 85 0.3 3452.3 0.1X OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz Repartitioning: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 324 360 40 3.1 323.7 1.0X Nested column 896 910 8 1.1 896.4 0.4X Nested column in array 3395 3407 11 0.3 3395.5 0.1X OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz Repartitioning by exprs: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 318 355 42 3.1 318.1 1.0X Nested column 993 1006 10 1.0 993.3 0.3X Nested column in array 3607 3624 16 0.3 3607.0 0.1X OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz Sample: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 98 114 27 10.2 97.8 1.0X Nested column 689 702 12 1.5 688.9 0.1X Nested column in array 3004 3090 55 0.3 3004.5 0.0X OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz Sorting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 582 669 59 1.7 582.2 1.0X Nested column 1265 1300 51 0.8 1264.9 0.5X Nested column in array 4249 4308 129 0.2 4248.7 0.1X