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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 25.0.2+10-LTS on Linux 6.14.0-1017-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                                     58             70          11         17.3          57.9       1.0X
Nested column                                        57             64           7         17.6          56.7       1.0X
Nested column in array                              165            179           7          6.0         165.3       0.4X

OpenJDK 64-Bit Server VM 25.0.2+10-LTS on Linux 6.14.0-1017-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                                    262            275          10          3.8         261.5       1.0X
Nested column                                       257            270          11          3.9         257.5       1.0X
Nested column in array                              613            632          19          1.6         613.2       0.4X

OpenJDK 64-Bit Server VM 25.0.2+10-LTS on Linux 6.14.0-1017-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                                    231            243          10          4.3         231.0       1.0X
Nested column                                       238            247           8          4.2         237.5       1.0X
Nested column in array                              560            571          11          1.8         560.4       0.4X

OpenJDK 64-Bit Server VM 25.0.2+10-LTS on Linux 6.14.0-1017-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                                    229            240           8          4.4         228.7       1.0X
Nested column                                       254            265           7          3.9         253.7       0.9X
Nested column in array                              577            595          11          1.7         577.1       0.4X

OpenJDK 64-Bit Server VM 25.0.2+10-LTS on Linux 6.14.0-1017-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                                     67             78          10         14.8          67.4       1.0X
Nested column                                        69             84          10         14.5          68.9       1.0X
Nested column in array                              217            231          10          4.6         216.7       0.3X

OpenJDK 64-Bit Server VM 25.0.2+10-LTS on Linux 6.14.0-1017-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                                    316            332          22          3.2         315.6       1.0X
Nested column                                       379            391          16          2.6         379.5       0.8X
Nested column in array                              858            882          20          1.2         858.1       0.4X


