pepijnve commented on PR #8583:
URL: https://github.com/apache/arrow-rs/pull/8583#issuecomment-3393125414
Some micro benchmark results
```
project/100x100 -> 1x100
time: [85.588 ns 85.747 ns 85.903 ns]
change: [-7.3087% -7.0345% -6.7565%] (p = 0.00 <
0.05)
Performance has improved.
Found 7 outliers among 100 measurements (7.00%)
4 (4.00%) low mild
1 (1.00%) high mild
2 (2.00%) high severe
project/100x100 -> 50x100
time: [788.42 ns 789.33 ns 790.23 ns]
change: [-24.541% -24.365% -24.202%] (p = 0.00 <
0.05)
Performance has improved.
Found 1 outliers among 100 measurements (1.00%)
1 (1.00%) high mild
project/100x100 -> 99x100
time: [1.3220 µs 1.3261 µs 1.3303 µs]
change: [-25.897% -25.665% -25.434%] (p = 0.00 <
0.05)
Performance has improved.
project/5x100 -> 1x100 time: [84.869 ns 84.963 ns 85.067 ns]
change: [-8.3173% -8.0696% -7.8238%] (p = 0.00 <
0.05)
Performance has improved.
Found 3 outliers among 100 measurements (3.00%)
1 (1.00%) low mild
2 (2.00%) high mild
project/5x100 -> 2x100 time: [93.710 ns 93.886 ns 94.111 ns]
change: [-14.343% -14.136% -13.921%] (p = 0.00 <
0.05)
Performance has improved.
Found 6 outliers among 100 measurements (6.00%)
1 (1.00%) low mild
4 (4.00%) high mild
1 (1.00%) high severe
project/5x100 -> 5x100 time: [176.45 ns 176.73 ns 177.00 ns]
change: [-13.424% -13.215% -12.985%] (p = 0.00 <
0.05)
Performance has improved.
Found 4 outliers among 100 measurements (4.00%)
1 (1.00%) low severe
1 (1.00%) high mild
2 (2.00%) high severe
```
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