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Nested Schema Pruning Benchmark For ORC v1
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OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                     62             76          11         16.0          62.4       1.0X
Nested column                                        61             72           7         16.4          60.8       1.0X
Nested column in array                              180            189           8          5.6         180.0       0.3X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                    259            271          10          3.9         258.6       1.0X
Nested column                                       254            277          18          3.9         254.5       1.0X
Nested column in array                              554            577          15          1.8         553.9       0.5X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                    222            230           7          4.5         222.4       1.0X
Nested column                                       226            237           8          4.4         226.4       1.0X
Nested column in array                              504            509           3          2.0         503.6       0.4X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                    219            228           8          4.6         219.3       1.0X
Nested column                                       246            255           7          4.1         246.2       0.9X
Nested column in array                              532            541           4          1.9         531.9       0.4X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                     75             93          22         13.3          75.1       1.0X
Nested column                                        79             89           8         12.6          79.5       0.9X
Nested column in array                              237            265          21          4.2         236.6       0.3X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                    304            320          19          3.3         304.1       1.0X
Nested column                                       349            362          13          2.9         348.6       0.9X
Nested column in array                              753            791          37          1.3         753.1       0.4X


