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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 17.0.12+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             83          11         15.2          66.0       1.0X
Nested column                                        60             68           7         16.6          60.4       1.1X
Nested column in array                              165            170           3          6.1         164.6       0.4X

OpenJDK 64-Bit Server VM 17.0.12+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                                    252            265          16          4.0         252.0       1.0X
Nested column                                       243            258          14          4.1         242.8       1.0X
Nested column in array                              503            532          14          2.0         503.4       0.5X

OpenJDK 64-Bit Server VM 17.0.12+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                                    216            221           5          4.6         216.1       1.0X
Nested column                                       221            228           5          4.5         220.8       1.0X
Nested column in array                              471            476           3          2.1         470.9       0.5X

OpenJDK 64-Bit Server VM 17.0.12+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            219           5          4.7         213.2       1.0X
Nested column                                       238            247           7          4.2         237.9       0.9X
Nested column in array                              504            510           5          2.0         503.9       0.4X

OpenJDK 64-Bit Server VM 17.0.12+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                                     60             76           7         16.5          60.4       1.0X
Nested column                                        71             89          15         14.2          70.5       0.9X
Nested column in array                              202            242          47          4.9         202.5       0.3X

OpenJDK 64-Bit Server VM 17.0.12+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                                    309            317          12          3.2         309.4       1.0X
Nested column                                       355            362           5          2.8         354.8       0.9X
Nested column in array                              710            732          19          1.4         710.5       0.4X


