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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 21.0.6+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                                     62             78          13         16.2          61.7       1.0X
Nested column                                        56             65           7         17.9          55.8       1.1X
Nested column in array                              166            169           3          6.0         165.6       0.4X

OpenJDK 64-Bit Server VM 21.0.6+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                                    228            253          32          4.4         227.8       1.0X
Nested column                                       234            252          12          4.3         233.7       1.0X
Nested column in array                              510            540          20          2.0         510.3       0.4X

OpenJDK 64-Bit Server VM 21.0.6+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                                    205            219          10          4.9         204.5       1.0X
Nested column                                       216            223           6          4.6         215.8       0.9X
Nested column in array                              473            481           4          2.1         473.2       0.4X

OpenJDK 64-Bit Server VM 21.0.6+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                                    206            214           6          4.8         206.5       1.0X
Nested column                                       227            235           6          4.4         226.7       0.9X
Nested column in array                              481            501          12          2.1         480.9       0.4X

OpenJDK 64-Bit Server VM 21.0.6+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                                     61             78           8         16.4          61.1       1.0X
Nested column                                        74             89          11         13.5          74.3       0.8X
Nested column in array                              205            226          20          4.9         204.8       0.3X

OpenJDK 64-Bit Server VM 21.0.6+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                                    288            298          10          3.5         288.3       1.0X
Nested column                                       347            361          15          2.9         346.7       0.8X
Nested column in array                              694            762          52          1.4         694.2       0.4X


