tustvold commented on PR #5772:
URL: https://github.com/apache/arrow-rs/pull/5772#issuecomment-2114799292
I ran a simple benchmark using this to count set bits, and this made a
significant performance improvement
```
count_bits_naive time: [2.3391 µs 2.3446 µs 2.3541 µs]
change: [-82.296% -81.606% -80.866%] (p = 0.00 <
0.05)
Performance has improved.
```
Although, unsurprisingly, it is still way slower than the chunked version.
```
count_bits_chunked time: [19.770 ns 19.781 ns 19.793 ns]
```
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