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Nested Schema Pruning Benchmark For ORC v1
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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                                     59             78          16         16.9          59.1       1.0X
Nested column                                        61             70           9         16.4          61.0       1.0X
Nested column in array                              172            175           2          5.8         172.2       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                                    280            291          10          3.6         280.4       1.0X
Nested column                                       282            293           7          3.6         281.6       1.0X
Nested column in array                              641            657          10          1.6         640.7       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
Repartitioning:                           Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    243            258          10          4.1         243.1       1.0X
Nested column                                       250            261           6          4.0         250.3       1.0X
Nested column in array                              585            596           5          1.7         584.9       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 by exprs:                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    242            250           6          4.1         241.7       1.0X
Nested column                                       269            281           8          3.7         268.6       0.9X
Nested column in array                              628            634           4          1.6         627.5       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
Sample:                                   Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                     71             83           9         14.0          71.5       1.0X
Nested column                                        80             90           9         12.5          79.8       0.9X
Nested column in array                              240            259          13          4.2         239.7       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                                    328            345          19          3.1         327.6       1.0X
Nested column                                       400            410          14          2.5         400.5       0.8X
Nested column in array                              888            957          36          1.1         888.2       0.4X


