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Nested Schema Pruning Benchmark For ORC v1
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OpenJDK 64-Bit Server VM 17.0.5+8 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
Selection:                                Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                     74             90           9         13.5          74.2       1.0X
Nested column                                       413            433          29          2.4         412.6       0.2X
Nested column in array                             1253           1273          36          0.8        1252.6       0.1X

OpenJDK 64-Bit Server VM 17.0.5+8 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
Limiting:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    422            438          12          2.4         422.3       1.0X
Nested column                                       771            783           8          1.3         771.4       0.5X
Nested column in array                             1667           1686          16          0.6        1667.0       0.3X

OpenJDK 64-Bit Server VM 17.0.5+8 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
Repartitioning:                           Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    404            408           3          2.5         403.9       1.0X
Nested column                                       756            763           6          1.3         756.4       0.5X
Nested column in array                             1654           1659           3          0.6        1653.7       0.2X

OpenJDK 64-Bit Server VM 17.0.5+8 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
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            406          14          2.5         393.6       1.0X
Nested column                                       780            787           8          1.3         779.9       0.5X
Nested column in array                             1700           1708           7          0.6        1699.5       0.2X

OpenJDK 64-Bit Server VM 17.0.5+8 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
Sample:                                   Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                     82            101          14         12.2          82.3       1.0X
Nested column                                       438            444           6          2.3         437.6       0.2X
Nested column in array                             1282           1292          10          0.8        1282.3       0.1X

OpenJDK 64-Bit Server VM 17.0.5+8 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
Sorting:                                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    583            609          25          1.7         582.8       1.0X
Nested column                                       944            973          32          1.1         943.6       0.6X
Nested column in array                             2025           2129          72          0.5        2025.1       0.3X


