Rich-T-kid commented on code in PR #12076:
URL: https://github.com/apache/arrow-rs/pull/12076#discussion_r4473537112
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arrow-arith/benches/integer_division.rs:
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@@ -37,24 +37,40 @@ where
{
let mut rng = StdRng::seed_from_u64(42);
let array = PrimitiveArray::<T>::from_iter_values((0..SIZE).map(|_|
rng.random()));
- // A fifth of the values null, at random positions
- let nulls = NullBuffer::from_iter((0..SIZE).map(|_| rng.random_ratio(4,
5)));
- let with_nulls = PrimitiveArray::<T>::new(array.values().clone(),
Some(nulls));
+ // A fifth, half, and nine tenths of the values null, at random positions.
Visiting only the
+ // valid values does less work as the share of nulls grows
Review Comment:
benchmark results look strong already, do we need to add these as we all or
should they be split into a separate PR?
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