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bench: benchmark interleave structs #8007

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Merged
alamb merged 1 commit into from
Jul 27, 2025
Merged

bench: benchmark interleave structs #8007

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49 changes: 49 additions & 0 deletions arrow/benches/interleave_kernels.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ use arrow::util::test_util::seedable_rng;
use arrow::{array::*, util::bench_util::*};
use arrow_select::interleave::interleave;
use std::hint;
use std::sync::Arc;

fn do_bench(
c: &mut Criterion,
Expand Down Expand Up @@ -74,6 +75,42 @@ fn add_benchmark(c: &mut Criterion) {
let values = create_string_array_with_len::<i32>(10, 0.0, 20);
let dict = create_dict_from_values::<Int32Type>(1024, 0.0, &values);

let struct_i32_no_nulls_i32_no_nulls = StructArray::new(
Fields::from(vec![
Field::new("a", Int32Type::DATA_TYPE, false),
Field::new("b", Int32Type::DATA_TYPE, false),
]),
vec![
Arc::new(create_primitive_array::<Int32Type>(1024, 0.)),
Arc::new(create_primitive_array::<Int32Type>(1024, 0.)),
],
None,
);

let struct_string_no_nulls_string_no_nulls = StructArray::new(
Fields::from(vec![
Field::new("a", DataType::Utf8, false),
Field::new("b", DataType::Utf8, false),
]),
vec![
Arc::new(create_string_array_with_len::<i32>(1024, 0., 20)),
Arc::new(create_string_array_with_len::<i32>(1024, 0., 20)),
],
None,
);

let struct_i32_no_nulls_string_no_nulls = StructArray::new(
Fields::from(vec![
Field::new("a", DataType::Int32, false),
Field::new("b", DataType::Utf8, false),
]),
vec![
Arc::new(create_primitive_array::<Int32Type>(1024, 0.)),
Arc::new(create_string_array_with_len::<i32>(1024, 0., 20)),
],
None,
);

let values = create_string_array_with_len::<i32>(1024, 0.0, 20);
let sparse_dict = create_sparse_dict_from_values::<Int32Type>(1024, 0.0, &values, 10..20);

Expand All @@ -87,6 +124,18 @@ fn add_benchmark(c: &mut Criterion) {
("dict(20, 0.0)", &dict),
("dict_sparse(20, 0.0)", &sparse_dict),
("str_view(0.0)", &string_view),
(
"struct(i32(0.0), i32(0.0)",
&struct_i32_no_nulls_i32_no_nulls,
),
(
"struct(str(20, 0.0), str(20, 0.0))",
&struct_string_no_nulls_string_no_nulls,
),
(
"struct(i32(0.0), str(20, 0.0)",
&struct_i32_no_nulls_string_no_nulls,
),
];

for (prefix, base) in cases {
Expand Down
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