llama90 commented on issue #38569:
URL: https://github.com/apache/arrow/issues/38569#issuecomment-1792664712
Umm... in `TimedTestAllocs`, `TimedTestOutputStringAllocs` case metric
values are related string range.
* `generate_data.h`: 'a' - 'z'
* `random.h`: 'A' - 'z'
When `random.h` is generating range 'a' - 'z'
<details><summary>result</summary>
```diff
-----------------------------------------------------------------------------------------
Benchmark Time CPU
Iterations
-----------------------------------------------------------------------------------------
TimedTestAdd3/min_time:1.000 4176 us 3081 us
437
TimedTestBigNested/min_time:1.000 6810 us 6538 us
214
TimedTestExtractYear/min_time:1.000 8837 us 8465 us
164
TimedTestFilterAdd2/min_time:1.000 5976 us 5955 us
234
TimedTestFilterLike/min_time:1.000 14700 us 14581 us
95
TimedTestCastFloatFromString/min_time:1.000 81841 us 81529 us
17
TimedTestCastIntFromString/min_time:1.000 46860 us 46665 us
30
+ TimedTestAllocs/min_time:1.000 128267 us 127612
us 11
+ TimedTestOutputStringAllocs/min_time:1.000 223284 us 222095
us 6
TimedTestMultiOr/min_time:1.000 10881 us 10841 us
125
TimedTestInExpr/min_time:1.000 24227 us 24171 us
57
DecimalAdd2Fast/min_time:1.000 3989 us 3968 us
353
DecimalAdd2LeadingZeroes/min_time:1.000 41976 us 41825 us
34
DecimalAdd2LeadingZeroesWithDiv/min_time:1.000 114398 us 113747 us
12
DecimalAdd2Large/min_time:1.000 118118 us 114793 us
12
DecimalAdd3Fast/min_time:1.000 4461 us 4411 us
322
DecimalAdd3LeadingZeroes/min_time:1.000 81679 us 81066 us
17
DecimalAdd3LeadingZeroesWithDiv/min_time:1.000 239198 us 238394 us
6
DecimalAdd3Large/min_time:1.000 240675 us 239581 us
6
```
</details>
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