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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-azure
AMD EPYC 9V74 80-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                                     73             86          14         13.7          72.7       1.0X
Nested column                                        62             70           8         16.2          61.8       1.2X
Nested column in array                              174            196          17          5.7         174.4       0.4X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-azure
AMD EPYC 9V74 80-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                                    265            280          10          3.8         265.4       1.0X
Nested column                                       259            281          12          3.9         259.2       1.0X
Nested column in array                              544            563          13          1.8         543.7       0.5X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-azure
AMD EPYC 9V74 80-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                                    229            243          11          4.4         228.9       1.0X
Nested column                                       233            237           4          4.3         233.1       1.0X
Nested column in array                              506            518           7          2.0         505.7       0.5X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-azure
AMD EPYC 9V74 80-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                                    223            233           9          4.5         223.3       1.0X
Nested column                                       253            265          10          4.0         252.7       0.9X
Nested column in array                              531            545          14          1.9         530.9       0.4X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-azure
AMD EPYC 9V74 80-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                                     69             85          10         14.6          68.6       1.0X
Nested column                                        84             97          15         11.9          83.7       0.8X
Nested column in array                              219            252          16          4.6         218.7       0.3X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-azure
AMD EPYC 9V74 80-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                                    312            328          20          3.2         312.3       1.0X
Nested column                                       364            374          11          2.7         364.2       0.9X
Nested column in array                              760            800          35          1.3         760.3       0.4X


