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Nested Schema Pruning Benchmark For ORC v2
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OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                     67             81          15         14.9          67.2       1.0X
Nested column                                        65             75           9         15.5          64.6       1.0X
Nested column in array                              170            175           3          5.9         170.2       0.4X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                    269            279           8          3.7         268.8       1.0X
Nested column                                       263            274           9          3.8         263.0       1.0X
Nested column in array                              535            587          28          1.9         535.3       0.5X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                    225            236          10          4.4         225.2       1.0X
Nested column                                       232            244           8          4.3         232.5       1.0X
Nested column in array                              505            512           6          2.0         504.9       0.4X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                    221            231          11          4.5         221.0       1.0X
Nested column                                       247            265          12          4.1         246.8       0.9X
Nested column in array                              544            551           5          1.8         544.3       0.4X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                     80             96          10         12.5          80.3       1.0X
Nested column                                        73            104          11         13.7          73.0       1.1X
Nested column in array                              223            261          23          4.5         223.4       0.4X

OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-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                                    307            330          30          3.3         306.7       1.0X
Nested column                                       364            375          15          2.7         363.9       0.8X
Nested column in array                              748            792          44          1.3         748.0       0.4X


