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Nested Schema Pruning Benchmark For ORC v2
================================================================================================

OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 on Linux 4.15.0-1044-aws
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Selection:                                Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    176            207          20          5.7         176.2       1.0X
Nested column                                      1173           1212          61          0.9        1173.2       0.2X
Nested column in array                             5557           5628          58          0.2        5557.5       0.0X

OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 on Linux 4.15.0-1044-aws
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Limiting:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    143            178          21          7.0         143.5       1.0X
Nested column                                      1233           1272          31          0.8        1233.0       0.1X
Nested column in array                             5585           5691          66          0.2        5585.4       0.0X

OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 on Linux 4.15.0-1044-aws
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Repartitioning:                           Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    395            416          23          2.5         395.4       1.0X
Nested column                                      1665           1691          16          0.6        1664.7       0.2X
Nested column in array                             6194           6307         183          0.2        6194.5       0.1X

OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 on Linux 4.15.0-1044-aws
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
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                                    394            407          14          2.5         393.7       1.0X
Nested column                                      4381           4536          97          0.2        4380.6       0.1X
Nested column in array                             8797           8833          34          0.1        8796.7       0.0X

OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 on Linux 4.15.0-1044-aws
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Sample:                                   Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    136            170          24          7.4         135.6       1.0X
Nested column                                      1135           1171          30          0.9        1135.0       0.1X
Nested column in array                             4833           4911          92          0.2        4833.3       0.0X

OpenJDK 64-Bit Server VM 11.0.5+10-post-Ubuntu-0ubuntu1.118.04 on Linux 4.15.0-1044-aws
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Sorting:                                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    327            336           8          3.1         327.0       1.0X
Nested column                                      3321           3377          56          0.3        3321.0       0.1X
Nested column in array                             8080           8161          97          0.1        8080.4       0.0X


