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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78

use tract_data::internal::f16;

use crate::frame::reduce::ReduceKer;

#[derive(Clone, Debug)]
pub struct SMax4;

impl ReduceKer<f32> for SMax4 {
    fn name() -> &'static str {
        "generic"
    }

    fn alignment_items() -> usize {
        4
    }

    fn nr() -> usize {
        4
    }

    fn neutral() -> f32 {
        f32::MIN
    }

    fn reduce_two(a: f32, b: f32) -> f32 {
        a.max(b)
    }

    fn run(x: &[f32], _: ()) -> f32 {
        debug_assert!(x.len() % Self::nr() == 0);
        debug_assert!(x.as_ptr() as usize % Self::alignment_bytes() == 0);
        *x.iter().max_by(|a, b| a.total_cmp(b)).unwrap()
    }
}

#[derive(Clone, Debug)]
pub struct HMax8;

impl ReduceKer<f16> for HMax8 {
    fn name() -> &'static str {
        "generic"
    }

    fn alignment_items() -> usize {
        8
    }

    fn nr() -> usize {
        8
    }

    fn neutral() -> f16 {
        f16::MIN
    }

    fn reduce_two(a: f16, b: f16) -> f16 {
        a.max(b)
    }

    fn run(x: &[f16], _: ()) -> f16 {
        debug_assert!(x.len() % Self::nr() == 0);
        debug_assert!(x.as_ptr() as usize % Self::alignment_bytes() == 0);
        *x.iter().max_by(|a, b| a.total_cmp(b)).unwrap()
    }
}

#[cfg(test)]
#[macro_use]
pub mod s {
    max_frame_tests!(true, f32, crate::generic::max::SMax4);
}

#[cfg(test)]
#[macro_use]
pub mod h {
    use super::*;
    max_frame_tests!(true, f16, crate::generic::max::HMax8);
}