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Nested Schema Pruning Benchmark For ORC v1
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OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-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                                     64             85          12         15.7          63.6       1.0X
Nested column                                        58             65           7         17.3          57.9       1.1X
Nested column in array                              165            170           5          6.1         164.6       0.4X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-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                                    236            264          18          4.2         235.7       1.0X
Nested column                                       241            259          11          4.2         240.7       1.0X
Nested column in array                              518            537          11          1.9         518.3       0.5X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-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                                    219            230           7          4.6         218.5       1.0X
Nested column                                       224            235          10          4.5         223.6       1.0X
Nested column in array                              483            487           5          2.1         482.6       0.5X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-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                                    218            226           5          4.6         218.5       1.0X
Nested column                                       240            251           7          4.2         240.2       0.9X
Nested column in array                              511            515           4          2.0         510.7       0.4X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-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                                     65             78          13         15.5          64.6       1.0X
Nested column                                        74             89          15         13.5          74.0       0.9X
Nested column in array                              200            219          16          5.0         199.9       0.3X

OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-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                                    302            318          22          3.3         301.5       1.0X
Nested column                                       353            368          17          2.8         352.9       0.9X
Nested column in array                              720            755          35          1.4         720.5       0.4X


