zhuqi-lucas commented on PR #7860:
URL: https://github.com/apache/arrow-rs/pull/7860#issuecomment-3146429683
And latest performance result, also 2.x ~ 4 faster:
```rust
group issue_7847
main
----- ----------
----
sort string[0-100] nulls to indices 2^12 1.00 19.3±0.35µs ?
?/sec 2.77 53.6±0.66µs ? ?/sec
sort string[0-100] to indices 2^12 1.00 36.0±0.51µs ?
?/sec 3.26 117.4±2.35µs ? ?/sec
sort string[0-10] nulls to indices 2^12 1.00 20.9±0.38µs ?
?/sec 3.36 70.2±3.22µs ? ?/sec
sort string[0-10] to indices 2^12 1.00 39.1±0.75µs ?
?/sec 3.98 155.8±10.37µs ? ?/sec
sort string[0-400] nulls to indices 2^12 1.00 20.3±0.19µs ?
?/sec 2.68 54.4±0.58µs ? ?/sec
sort string[0-400] to indices 2^12 1.00 37.4±0.39µs ?
?/sec 3.07 115.0±1.47µs ? ?/sec
sort string[1000] nulls to indices 2^12 1.00 20.2±0.14µs ?
?/sec 2.68 54.1±0.39µs ? ?/sec
sort string[1000] to indices 2^12 1.00 36.0±0.19µs ?
?/sec 3.10 111.6±1.15µs ? ?/sec
sort string[100] nulls to indices 2^12 1.00 20.0±0.17µs ?
?/sec 2.65 53.1±0.58µs ? ?/sec
sort string[100] to indices 2^12 1.00 36.8±0.29µs ?
?/sec 3.01 110.8±0.93µs ? ?/sec
sort string[10] nulls to indices 2^12 1.00 19.6±0.16µs ?
?/sec 2.57 50.4±0.53µs ? ?/sec
sort string[10] to indices 2^12 1.00 34.5±0.26µs ?
?/sec 2.96 102.0±0.86µs ? ?/sec
```
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