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Nested Schema Pruning Benchmark For ORC v1
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OpenJDK 64-Bit Server VM 11.0.17+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                                     68            110          41         14.7          68.0       1.0X
Nested column                                       508            524          15          2.0         507.9       0.1X
Nested column in array                             1401           1414          21          0.7        1400.8       0.0X

OpenJDK 64-Bit Server VM 11.0.17+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                                    307            354          47          3.3         307.0       1.0X
Nested column                                       785            803          14          1.3         784.7       0.4X
Nested column in array                             1792           1820          26          0.6        1792.5       0.2X

OpenJDK 64-Bit Server VM 11.0.17+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                                    276            309          36          3.6         275.7       1.0X
Nested column                                       753            763           7          1.3         753.5       0.4X
Nested column in array                             1848           1859           9          0.5        1848.5       0.1X

OpenJDK 64-Bit Server VM 11.0.17+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                                    272            295          29          3.7         272.5       1.0X
Nested column                                       779            790           7          1.3         779.4       0.3X
Nested column in array                             1900           1909           9          0.5        1899.9       0.1X

OpenJDK 64-Bit Server VM 11.0.17+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                                     88            124          33         11.3          88.4       1.0X
Nested column                                       540            552          11          1.9         540.0       0.2X
Nested column in array                             1357           1373          14          0.7        1356.8       0.1X

OpenJDK 64-Bit Server VM 11.0.17+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                                    417            493          66          2.4         416.5       1.0X
Nested column                                       968           1013          71          1.0         968.0       0.4X
Nested column in array                             2220           2265          94          0.5        2219.8       0.2X


