vegarsti commented on PR #18425:
URL: https://github.com/apache/datafusion/pull/18425#issuecomment-3489863566
Results from my machine
```
# cargo bench --bench array_reverse
Finished `bench` profile [optimized] target(s) in 0.59s
Running benches/array_reverse.rs
(target/release/deps/array_reverse-2c473eed34a53d0a)
Gnuplot not found, using plotters backend
array_reverse_list time: [424.98 µs 427.30 µs 430.67 µs]
change: [−6.4882% −4.9511% −3.5187%] (p = 0.00 <
0.05)
Performance has improved.
Found 6 outliers among 100 measurements (6.00%)
5 (5.00%) high mild
1 (1.00%) high severe
array_reverse_fixed_size_list
time: [435.51 µs 437.22 µs 439.07 µs]
change: [−2.9711% +2.5696% +9.3834%] (p = 0.48 >
0.05)
No change in performance detected.
Found 5 outliers among 100 measurements (5.00%)
5 (5.00%) high severe
array_reverse_list_view time: [80.786 µs 81.920 µs 83.325 µs]
change: [+7.4110% +10.842% +14.439%] (p = 0.00 <
0.05)
Performance has regressed.
Found 5 outliers among 100 measurements (5.00%)
2 (2.00%) high mild
3 (3.00%) high severe
09:11 ~/dev/datafusion main # gg
09:11 ~/dev/datafusion list-view-reverse-benchmark # cargo bench --bench
array_reverse
Finished `bench` profile [optimized] target(s) in 0.57s
Running benches/array_reverse.rs
(target/release/deps/array_reverse-2c473eed34a53d0a)
Gnuplot not found, using plotters backend
array_reverse_list time: [440.73 µs 441.98 µs 443.74 µs]
change: [+1.6285% +2.5305% +3.3019%] (p = 0.00 <
0.05)
Performance has regressed.
Found 11 outliers among 100 measurements (11.00%)
10 (10.00%) high mild
1 (1.00%) high severe
array_reverse_fixed_size_list
time: [456.60 µs 460.60 µs 465.08 µs]
change: [−7.8437% −1.5064% +3.9051%] (p = 0.67 >
0.05)
No change in performance detected.
Found 3 outliers among 100 measurements (3.00%)
2 (2.00%) high mild
1 (1.00%) high severe
array_reverse_list_view time: [70.679 µs 71.772 µs 73.142 µs]
change: [−14.767% −12.701% −10.907%] (p = 0.00 <
0.05)
Performance has improved.
Found 20 outliers among 100 measurements (20.00%)
15 (15.00%) low mild
2 (2.00%) high mild
3 (3.00%) high severe
```
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