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ARROW-12343: [Rust] Support auto-vectorization for min/max #9

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Merged
merged 2 commits into from
Apr 23, 2021
Merged

ARROW-12343: [Rust] Support auto-vectorization for min/max #9

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ac34adb
Support auto-vectorization for min/max using multiversion
Dandandan Apr 20, 2021
3f39291
Merge remote-tracking branch 'upstream/master' into auto_vec
Dandandan Apr 23, 2021
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1 change: 1 addition & 0 deletions arrow/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@ flatbuffers = "^0.8"
hex = "0.4"
prettytable-rs = { version = "0.8.0", optional = true }
lexical-core = "^0.7"
multiversion = "0.6.1"

[features]
default = []
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3 changes: 3 additions & 0 deletions arrow/src/compute/kernels/aggregate.rs
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Expand Up @@ -17,6 +17,7 @@

//! Defines aggregations over Arrow arrays.

use multiversion::multiversion;
use std::ops::Add;

use crate::array::{
Expand Down Expand Up @@ -103,6 +104,8 @@ pub fn min_string<T: StringOffsetSizeTrait>(
}

/// Helper function to perform min/max lambda function on values from a numeric array.
#[multiversion]
#[clone(target = "x86_64+avx")]
fn min_max_helper<T, F>(array: &PrimitiveArray<T>, cmp: F) -> Option<T::Native>
where
T: ArrowNumericType,
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