HaoYang670 commented on pull request #1374:
URL: https://github.com/apache/arrow-rs/pull/1374#issuecomment-1055066451
# Benchmark
## Before
```bash
min string 512 time: [1.4824 us 1.4914 us 1.5094 us]
change: [-2.4834% -0.7235% +0.5457%] (p = 0.44 >
0.05)
No change in performance detected.
Found 13 outliers among 100 measurements (13.00%)
2 (2.00%) high mild
11 (11.00%) high severe
min nulls string 512 time: [2.4456 us 2.4528 us 2.4610 us]
change: [-0.7299% -0.2597% +0.2043%] (p = 0.26 >
0.05)
No change in performance detected.
Found 9 outliers among 100 measurements (9.00%)
7 (7.00%) high mild
2 (2.00%) high severe
```
## After
```bash
min string 512 time: [1.5539 us 1.5552 us 1.5565 us]
change: [-0.4238% -0.2174% -0.0106%] (p = 0.04 <
0.05)
Change within noise threshold.
Found 5 outliers among 100 measurements (5.00%)
1 (1.00%) high mild
4 (4.00%) high severe
min nulls string 512 time: [1.8519 us 1.8536 us 1.8552 us]
change: [-1.0138% -0.7613% -0.4859%] (p = 0.00 <
0.05)
Change within noise threshold.
Found 3 outliers among 100 measurements (3.00%)
1 (1.00%) low mild
1 (1.00%) high mild
1 (1.00%) high severe
```
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