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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 21.0.10+7-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                                     57             73          11         17.6          56.7       1.0X
Nested column                                        60             67           7         16.8          59.5       1.0X
Nested column in array                              167            173           4          6.0         167.4       0.3X

OpenJDK 64-Bit Server VM 21.0.10+7-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                                    273            286           8          3.7         273.1       1.0X
Nested column                                       278            289           8          3.6         278.1       1.0X
Nested column in array                              624            646          12          1.6         623.9       0.4X

OpenJDK 64-Bit Server VM 21.0.10+7-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                                    245            253           6          4.1         244.9       1.0X
Nested column                                       250            262           9          4.0         249.7       1.0X
Nested column in array                              585            593           7          1.7         585.5       0.4X

OpenJDK 64-Bit Server VM 21.0.10+7-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                                    244            251           5          4.1         243.9       1.0X
Nested column                                       267            277           8          3.7         267.2       0.9X
Nested column in array                              617            621           3          1.6         616.7       0.4X

OpenJDK 64-Bit Server VM 21.0.10+7-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                                     73             91          13         13.7          72.8       1.0X
Nested column                                        76             90           9         13.2          75.8       1.0X
Nested column in array                              219            246          22          4.6         219.0       0.3X

OpenJDK 64-Bit Server VM 21.0.10+7-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                                    331            350          20          3.0         331.3       1.0X
Nested column                                       395            408          12          2.5         395.5       0.8X
Nested column in array                              888            952          46          1.1         887.8       0.4X


