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Nested Schema Pruning Benchmark For Parquet
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OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-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                                     68             81          11         14.7          68.2       1.0X
Nested column                                        69             80           9         14.6          68.6       1.0X
Nested column in array                              229            235           5          4.4         228.6       0.3X

OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-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                                    255            272          12          3.9         254.8       1.0X
Nested column                                       249            262           8          4.0         248.8       1.0X
Nested column in array                              565            587          14          1.8         564.8       0.5X

OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-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                                    223            227           4          4.5         222.8       1.0X
Nested column                                       224            232           6          4.5         224.4       1.0X
Nested column in array                              520            524           4          1.9         519.6       0.4X

OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-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                                    219            225           5          4.6         218.8       1.0X
Nested column                                       240            248           6          4.2         240.4       0.9X
Nested column in array                              547            556           7          1.8         547.3       0.4X

OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-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                                     78             92          13         12.9          77.6       1.0X
Nested column                                        86             96          10         11.6          86.0       0.9X
Nested column in array                              267            297          19          3.7         267.0       0.3X

OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-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                                    305            312           3          3.3         305.0       1.0X
Nested column                                       357            369          19          2.8         357.0       0.9X
Nested column in array                              765            775          13          1.3         764.6       0.4X