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Nested Schema Pruning Benchmark For ORC v1
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OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-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                                     61             78          15         16.5          60.7       1.0X
Nested column                                        57             67           7         17.6          56.9       1.1X
Nested column in array                              165            183          11          6.1         165.0       0.4X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-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                                    239            257           9          4.2         239.0       1.0X
Nested column                                       241            262          11          4.1         241.2       1.0X
Nested column in array                              519            540          20          1.9         518.5       0.5X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-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                                    213            226          11          4.7         212.8       1.0X
Nested column                                       218            226           6          4.6         217.8       1.0X
Nested column in array                              487            496           5          2.1         487.1       0.4X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-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                                    210            220           7          4.8         210.5       1.0X
Nested column                                       239            251           6          4.2         239.3       0.9X
Nested column in array                              529            535           3          1.9         528.9       0.4X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-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                                     76             89          12         13.2          75.7       1.0X
Nested column                                        83             93          11         12.1          82.9       0.9X
Nested column in array                              228            251          25          4.4         228.0       0.3X

OpenJDK 64-Bit Server VM 25.0.4+7-LTS on Linux 6.17.0-1020-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                                    298            310          13          3.4         297.7       1.0X
Nested column                                       347            357          10          2.9         346.9       0.9X
Nested column in array                              731            812          35          1.4         731.1       0.4X


