1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
use multiversion::multiversion;
#[multiversion(targets("x86_64+avx", "x86+avx", "x86+sse", "aarch64+neon",))]
pub fn pub_add(a: &mut [f32], b: &[f32]) {
a.iter_mut().zip(b.iter()).for_each(|(a, b)| *a += b);
}
#[multiversion(targets("x86_64+avx", "x86+avx", "x86+sse", "aarch64+neon",))]
fn priv_add(a: &mut [f32], b: &[f32]) {
a.iter_mut().zip(b.iter()).for_each(|(a, b)| *a += b);
}
#[multiversion(targets("x86_64+avx", "x86+avx", "x86+sse", "aarch64+neon",))]
pub unsafe fn pub_unsafe_add(a: &mut [f32], b: &[f32]) {
a.iter_mut().zip(b.iter()).for_each(|(a, b)| *a += b);
}
#[multiversion(targets("x86_64+avx", "x86+avx", "x86+sse", "aarch64+neon",))]
unsafe fn priv_unsafe_add(a: &mut [f32], b: &[f32]) {
a.iter_mut().zip(b.iter()).for_each(|(a, b)| *a += b);
}
mod test {
use super::*;
#[test]
fn test_add() {
let mut a = vec![0f32, 2f32, 4f32];
let b = vec![1f32, 1f32, 1f32];
pub_add(&mut a, &b);
assert_eq!(a, vec![1f32, 3f32, 5f32]);
priv_add(&mut a, &b);
assert_eq!(a, vec![2f32, 4f32, 6f32]);
unsafe {
pub_unsafe_add(&mut a, &b);
}
assert_eq!(a, vec![3f32, 5f32, 7f32]);
unsafe {
priv_unsafe_add(&mut a, &b);
}
assert_eq!(a, vec![4f32, 6f32, 8f32]);
}
}
|
