28 lines
1.9 KiB
Plaintext
28 lines
1.9 KiB
Plaintext
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Benchmark to measure CSV read/write performance
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================================================================================================
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OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64
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Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
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Parsing quoted values: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative
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One quoted string 64733 / 64839 0.0 1294653.1 1.0X
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OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64
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Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
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Wide rows with 1000 columns: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative
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Select 1000 columns 185609 / 189735 0.0 185608.6 1.0X
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Select 100 columns 50195 / 51808 0.0 50194.8 3.7X
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Select one column 39266 / 39293 0.0 39265.6 4.7X
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count() 10959 / 11000 0.1 10958.5 16.9X
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OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64
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Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
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Count a dataset with 10 columns: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative
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Select 10 columns + count() 24637 / 24768 0.4 2463.7 1.0X
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Select 1 column + count() 20026 / 20076 0.5 2002.6 1.2X
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count() 3754 / 3877 2.7 375.4 6.6X
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