jhorstmann opened a new pull request #8736:
URL: https://github.com/apache/arrow/pull/8736
Benchmark results on an aws t3 instance (cascadelake):
```
$ cargo bench --bench sort_kernel
sort 2^10 time: [168.90 us 168.98 us 169.08 us]
change: [-59.182% -59.041% -58.824%] (p = 0.00 <
0.05)
Performance has improved.
sort 2^12 time: [839.88 us 840.15 us 840.46 us]
change: [-57.095% -57.040% -56.947%] (p = 0.00 <
0.05)
Performance has improved.
sort nulls 2^10 time: [148.69 us 148.75 us 148.82 us]
change: [-66.823% -66.727% -66.633%] (p = 0.00 <
0.05)
Performance has improved.
sort nulls 2^12 time: [721.79 us 721.95 us 722.12 us]
change: [-65.966% -65.920% -65.845%] (p = 0.00 <
0.05)
Performance has improved.
```
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