alamb commented on PR #9537:
URL: https://github.com/apache/arrow-rs/pull/9537#issuecomment-4085145774
> I don't think there is any significant perf regression, isn't it?
My reading of this result is that this code is 16% slower when parsing
strings to floating point.
```
group main
trim-num-str
----- ----
------------
...
cast utf8 to f32 1.00
5.7±0.04µs ? ?/sec 1.16 6.6±0.03µs ? ?/sec
```
I will rerun the benchmarks to see if this is reproducable
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