spark-instrumented-optimizer/sql/core/benchmarks/OrcNestedSchemaPruningBenchmark-results.txt

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Nested Schema Pruning Benchmark For ORC v1
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OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Selection: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
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Top-level column 117 154 23 8.5 117.5 1.0X
Nested column 1271 1295 26 0.8 1270.5 0.1X
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Limiting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
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Top-level column 431 488 73 2.3 431.2 1.0X
Nested column 1738 1777 24 0.6 1738.3 0.2X
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Repartitioning: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
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Top-level column 349 381 87 2.9 348.7 1.0X
Nested column 4374 4456 125 0.2 4373.6 0.1X
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
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 358 410 85 2.8 358.5 1.0X
Nested column 4447 4517 125 0.2 4447.3 0.1X
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Sorting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
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Top-level column 553 566 13 1.8 552.8 1.0X
Nested column 5115 5248 84 0.2 5115.1 0.1X