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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                     61             83          14         16.3          61.3       1.0X
Nested column                                        59             67           7         17.1          58.6       1.0X
Nested column in array                              169            176           4          5.9         169.4       0.4X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                    242            263          16          4.1         242.4       1.0X
Nested column                                       237            260          10          4.2         236.6       1.0X
Nested column in array                              513            535          14          1.9         513.5       0.5X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                    217            229           9          4.6         216.6       1.0X
Nested column                                       222            236           8          4.5         222.1       1.0X
Nested column in array                              477            484           7          2.1         477.2       0.5X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                    214            225           9          4.7         214.3       1.0X
Nested column                                       240            254          14          4.2         239.8       0.9X
Nested column in array                              508            520           8          2.0         508.4       0.4X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                     56             71           8         18.0          55.7       1.0X
Nested column                                        73             92          18         13.7          73.2       0.8X
Nested column in array                              209            237          22          4.8         208.6       0.3X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                    300            315          21          3.3         299.8       1.0X
Nested column                                       353            366          17          2.8         353.4       0.8X
Nested column in array                              809            838          18          1.2         809.3       0.4X


