tustvold commented on pull request #1225:
URL: https://github.com/apache/arrow-rs/pull/1225#issuecomment-1019486970
Benchmarks
```
filter u8 time: [289.42 us 290.41 us 291.38 us]
change: [-40.610% -40.339% -40.079%] (p = 0.00 <
0.05)
Performance has improved.
filter u8 high selectivity
time: [5.2395 us 5.2626 us 5.2940 us]
change: [-58.224% -58.063% -57.846%] (p = 0.00 <
0.05)
Performance has improved.
filter u8 low selectivity
time: [4.4407 us 4.4438 us 4.4476 us]
change: [-32.040% -27.787% -23.268%] (p = 0.00 <
0.05)
Performance has improved.
filter context u8 time: [105.87 us 105.90 us 105.92 us]
change: [-64.860% -64.836% -64.812%] (p = 0.00 <
0.05)
Performance has improved.
filter context u8 high selectivity
time: [1.7448 us 1.8098 us 1.8646 us]
change: [-80.196% -79.460% -78.803%] (p = 0.00 <
0.05)
Performance has improved.
filter context u8 low selectivity
time: [419.29 ns 419.96 ns 420.88 ns]
change: [-56.222% -55.769% -55.162%] (p = 0.00 <
0.05)
Performance has improved.
```
So a little bit over 2x faster, performance for arrays containing nulls is
unimpacted (as expected)
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