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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 17.0.14+7-LTS on Linux 6.8.0-1020-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                                     65             75           7         15.4          64.7       1.0X
Nested column                                        57             67           7         17.6          56.8       1.1X
Nested column in array                              162            172           8          6.2         162.2       0.4X

OpenJDK 64-Bit Server VM 17.0.14+7-LTS on Linux 6.8.0-1020-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                                    238            251          15          4.2         238.1       1.0X
Nested column                                       232            248          16          4.3         232.0       1.0X
Nested column in array                              500            526          18          2.0         499.6       0.5X

OpenJDK 64-Bit Server VM 17.0.14+7-LTS on Linux 6.8.0-1020-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                                    207            214           7          4.8         206.7       1.0X
Nested column                                       213            219           6          4.7         213.2       1.0X
Nested column in array                              450            454           2          2.2         450.2       0.5X

OpenJDK 64-Bit Server VM 17.0.14+7-LTS on Linux 6.8.0-1020-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                                    202            208           5          4.9         202.3       1.0X
Nested column                                       227            235           7          4.4         226.7       0.9X
Nested column in array                              481            489           7          2.1         480.6       0.4X

OpenJDK 64-Bit Server VM 17.0.14+7-LTS on Linux 6.8.0-1020-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                                     69             80          14         14.6          68.7       1.0X
Nested column                                        75             92          16         13.3          75.1       0.9X
Nested column in array                              206            248          47          4.8         206.4       0.3X

OpenJDK 64-Bit Server VM 17.0.14+7-LTS on Linux 6.8.0-1020-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                                    295            303           5          3.4         294.8       1.0X
Nested column                                       349            355           6          2.9         349.3       0.8X
Nested column in array                              742            765          15          1.3         742.1       0.4X


