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Nested Schema Pruning Benchmark For ORC v1
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OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                     49             60          11         20.5          48.8       1.0X
Nested column                                        51             55           5         19.8          50.6       1.0X
Nested column in array                              159            165           5          6.3         159.4       0.3X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                    242            260          19          4.1         241.8       1.0X
Nested column                                       230            250          18          4.3         230.0       1.1X
Nested column in array                              498            543          22          2.0         497.5       0.5X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                    208            219           9          4.8         207.9       1.0X
Nested column                                       214            218           6          4.7         214.1       1.0X
Nested column in array                              477            492          10          2.1         476.6       0.4X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                    207            219           8          4.8         206.8       1.0X
Nested column                                       236            252          22          4.2         236.2       0.9X
Nested column in array                              498            513          20          2.0         497.9       0.4X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                     63             73           9         15.9          62.8       1.0X
Nested column                                        70             83          13         14.3          70.1       0.9X
Nested column in array                              200            224          17          5.0         200.3       0.3X

OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-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                                    288            302          14          3.5         287.6       1.0X
Nested column                                       344            356          15          2.9         344.0       0.8X
Nested column in array                              712            760          44          1.4         711.8       0.4X


