liukun4515 commented on PR #2428:
URL: https://github.com/apache/arrow-rs/pull/2428#issuecomment-1212978096
Benchmark result:
before this refactor:
```
validate_decimal128_array 20000
time: [56.566 us 56.867 us 57.195 us]
change: [-0.7933% -0.1263% +0.5894%] (p = 0.72 >
0.05)
No change in performance detected.
Found 7 outliers among 100 measurements (7.00%)
6 (6.00%) high mild
1 (1.00%) high severe
```
After this refactor:
```
validate_decimal128_array 20000
time: [34.534 us 34.711 us 34.895 us]
change: [-39.461% -39.030% -38.571%] (p = 0.00 <
0.05)
Performance has improved.
```
The performance improves about 40%
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