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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
Selection:                                Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                     66             84          14         15.1          66.0       1.0X
Nested column                                        57             68           7         17.6          56.7       1.2X
Nested column in array                              167            173           5          6.0         166.9       0.4X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
Limiting:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    243            260          12          4.1         242.6       1.0X
Nested column                                       245            260          12          4.1         244.9       1.0X
Nested column in array                              515            532          12          1.9         514.8       0.5X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
Repartitioning:                           Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    218            230           7          4.6         218.1       1.0X
Nested column                                       223            234          14          4.5         223.4       1.0X
Nested column in array                              472            484           7          2.1         472.1       0.5X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
Repartitioning by exprs:                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    213            231          14          4.7         213.3       1.0X
Nested column                                       240            252           8          4.2         240.1       0.9X
Nested column in array                              510            514           3          2.0         509.7       0.4X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
Sample:                                   Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                     65             77          10         15.3          65.3       1.0X
Nested column                                        74             89          15         13.6          73.7       0.9X
Nested column in array                              206            242          28          4.8         206.2       0.3X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
Sorting:                                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    301            316          21          3.3         300.7       1.0X
Nested column                                       361            378          21          2.8         360.9       0.8X
Nested column in array                              723            765          42          1.4         722.8       0.4X


