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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/02/24 02:46:37 UTC
[GitHub] [arrow] cyb70289 commented on pull request #12504: ARROW-15763: [C++] Improve CSV writer
cyb70289 commented on pull request #12504:
URL: https://github.com/apache/arrow/pull/12504#issuecomment-1049440543
Benchmark on xeon gold 5218, clang-12
```
---------------------
Non-regressions: (20)
---------------------
benchmark baseline contender change %
WriteCsvStringNoQuote/0 680.119 MiB/sec 1.495 GiB/sec 125.081 'null_percent': 0.0
WriteCsvStringNoQuote/1 646.242 MiB/sec 1.347 GiB/sec 113.452 'null_percent': 1.0
WriteCsvStringNoQuote/10 576.935 MiB/sec 1.059 GiB/sec 87.873 'null_percent': 10.0
WriteCsvStringNoQuote/50 320.139 MiB/sec 454.702 MiB/sec 42.033 'null_percent': 50.0
WriteCsvStringWithQuote/10 323.390 MiB/sec 426.259 MiB/sec 31.810 'null_percent': 10.0
WriteCsvNumericCheckQuote/0 186.543 MiB/sec 233.563 MiB/sec 25.206 'null_percent': 0.0
WriteCsvNumericCheckQuote/1 178.710 MiB/sec 220.409 MiB/sec 23.333 'null_percent': 1.0
WriteCsvNumericCheckQuote/10 159.888 MiB/sec 192.138 MiB/sec 20.171 'null_percent': 10.0
WriteCsvStringRejectQuote/0 1.191 GiB/sec 1.415 GiB/sec 18.837 'null_percent': 0.0
WriteCsvNumericCheckQuote/50 92.471 MiB/sec 104.572 MiB/sec 13.086 'null_percent': 50.0
WriteCsvNumeric/0 164.814 MiB/sec 174.640 MiB/sec 5.962 'null_percent': 0.0
WriteCsvStringRejectQuote/1 1.153 GiB/sec 1.218 GiB/sec 5.664 'null_percent': 1.0
WriteCsvStringWithQuote/50 275.784 MiB/sec 286.287 MiB/sec 3.809 'null_percent': 50.0
WriteCsvStringWithQuote/0 465.196 MiB/sec 476.836 MiB/sec 2.502 'null_percent': 0.0
WriteCsvStringRejectQuote/50 403.224 MiB/sec 411.146 MiB/sec 1.965 'null_percent': 50.0
WriteCsvNumeric/50 87.601 MiB/sec 88.467 MiB/sec 0.989 'null_percent': 50.0
WriteCsvStringWithQuote/1 453.827 MiB/sec 455.022 MiB/sec 0.263 'null_percent': 1.0
WriteCsvNumeric/1 163.118 MiB/sec 162.101 MiB/sec -0.624 'null_percent': 1.0
WriteCsvNumeric/10 145.664 MiB/sec 142.291 MiB/sec -2.316 'null_percent': 10.0
WriteCsvStringRejectQuote/10 979.231 MiB/sec 936.657 MiB/sec -4.348 'null_percent': 10.0
```
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