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Nested Schema Pruning Benchmark For Parquet
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OpenJDK 64-Bit Server VM 1.8.0_352-b08 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
Selection:                                Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                     98            111          13         10.2          98.2       1.0X
Nested column                                        96            113          19         10.4          95.7       1.0X
Nested column in array                              294            316          18          3.4         294.0       0.3X

OpenJDK 64-Bit Server VM 1.8.0_352-b08 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
Limiting:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    343            375          24          2.9         343.5       1.0X
Nested column                                       352            379          16          2.8         352.3       1.0X
Nested column in array                              802            871          64          1.2         802.3       0.4X

OpenJDK 64-Bit Server VM 1.8.0_352-b08 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
Repartitioning:                           Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    321            339          13          3.1         321.5       1.0X
Nested column                                       328            343          17          3.0         328.3       1.0X
Nested column in array                              701            739          19          1.4         701.5       0.5X

OpenJDK 64-Bit Server VM 1.8.0_352-b08 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
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                                    319            341          19          3.1         319.4       1.0X
Nested column                                       347            361           9          2.9         347.0       0.9X
Nested column in array                              763            823          51          1.3         763.0       0.4X

OpenJDK 64-Bit Server VM 1.8.0_352-b08 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
Sample:                                   Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    108            132          31          9.2         108.2       1.0X
Nested column                                       118            136          44          8.5         117.7       0.9X
Nested column in array                              374            401          42          2.7         374.4       0.3X

OpenJDK 64-Bit Server VM 1.8.0_352-b08 on Linux 5.15.0-1023-azure
Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
Sorting:                                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    570            588          10          1.8         570.0       1.0X
Nested column                                       637            685          23          1.6         636.7       0.9X
Nested column in array                             1098           1166          47          0.9        1097.7       0.5X


