vyre-primitives 0.6.2

Compositional primitives for vyre - marker types (always on) + Tier 2.5 LEGO substrate (feature-gated per domain).
Documentation 
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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180

use super::*;

#[test]
fn test_sinkhorn_cpu_ref_trivial() {
    let (u, v, _iters) = cpu_ref(
        &[65536],
        &[65536],
        &[65536],
        &[65536],
        &[65536],
        &[65536],
        1,
        1,
        10,
    );
    assert_eq!(u, vec![65536]);
    assert_eq!(v, vec![65536]);
}

#[test]
fn test_sinkhorn_cpu_ref_edge() {
    // u = a / (k * v) = 65536 / (32768 * 65536) = 65536 / 2^31 = 0
    let (u, _, _) = cpu_ref(
        &[32768],
        &[32768],
        &[65536],
        &[65536],
        &[65536],
        &[65536],
        1,
        1,
        10,
    );
    assert_eq!(u, vec![0]);
}

#[test]
fn test_sinkhorn_cpu_ref_normal() {
    let k = vec![65536, 65536, 65536, 65536];
    let k_t = vec![65536, 65536, 65536, 65536];
    let a = vec![32768, 32768];
    let b = vec![32768, 32768];
    let u_c = vec![65536, 65536];
    let v_in = vec![65536, 65536];
    let (u, _v, _) = cpu_ref(&k, &k_t, &a, &b, &u_c, &v_in, 2, 2, 5);
    // Kv = [0, 0] wrapped. u = a/1 = 32768.
    assert_eq!(u, vec![32768, 32768]);
}

#[test]
fn test_sinkhorn_cpu_ref_large() {
    let k = vec![65536; 9];
    let a = vec![65536; 3];
    let b = vec![65536; 3];
    let u_c = vec![65536; 3];
    let v_in = vec![65536; 3];
    let (u, _, _) = cpu_ref(&k, &k, &a, &b, &u_c, &v_in, 3, 3, 5);
    assert_eq!(u.len(), 3);
}

#[test]
fn test_sinkhorn_cpu_ref_asym() {
    let k = vec![65536, 0, 0, 65536, 65536, 65536];
    let k_t = vec![65536, 0, 65536, 0, 65536, 65536];
    let a = vec![32768, 32768, 65536];
    let b = vec![65536, 65536];
    let u_c = vec![65536, 65536, 65536];
    let v_in = vec![65536, 65536];
    let (u, v, _) = cpu_ref(&k, &k_t, &a, &b, &u_c, &v_in, 3, 2, 5);
    assert_eq!(u.len(), 3);
    assert_eq!(v.len(), 2);
}

#[test]
fn test_sinkhorn_cpu_ref_into_reuses_buffers() {
    let k = vec![65536, 65536, 65536, 65536];
    let a = vec![32768, 32768];
    let b = vec![32768, 32768];
    let u_c = vec![65536, 65536];
    let v_in = vec![65536, 65536];
    let mut u = Vec::with_capacity(8);
    let mut v = Vec::with_capacity(8);
    let mut u_old = Vec::with_capacity(8);
    let u_ptr = u.as_ptr();
    let v_ptr = v.as_ptr();
    let old_ptr = u_old.as_ptr();
    let _iters = cpu_ref_into(
        &k, &k, &a, &b, &u_c, &v_in, 2, 2, 5, &mut u, &mut v, &mut u_old,
    );
    assert_eq!(u, vec![32768, 32768]);
    assert_eq!(u.as_ptr(), u_ptr);
    assert_eq!(v.as_ptr(), v_ptr);
    assert_eq!(u_old.as_ptr(), old_ptr);
}

#[test]
fn test_sinkhorn_cpu_ref_into_truncates_stale_buffers() {
    let k = vec![65536, 65536, 65536, 65536];
    let a = vec![32768, 32768];
    let b = vec![32768, 32768];
    let u_c = vec![65536, 65536];
    let v_in = vec![65536, 65536];
    let mut u = Vec::with_capacity(8);
    let mut v = Vec::with_capacity(8);
    let mut u_old = Vec::with_capacity(8);
    u.extend([99u32; 8]);
    v.extend([99u32; 8]);
    u_old.extend([99u32; 8]);
    let u_ptr = u.as_ptr();
    let v_ptr = v.as_ptr();
    let old_ptr = u_old.as_ptr();

    let _iters = try_cpu_ref_into(
        &k, &k, &a, &b, &u_c, &v_in, 2, 2, 5, &mut u, &mut v, &mut u_old,
    )
    .unwrap();

    assert_eq!(u, vec![32768, 32768]);
    assert_eq!(u.as_ptr(), u_ptr);
    assert_eq!(v.as_ptr(), v_ptr);
    assert_eq!(u_old.as_ptr(), old_ptr);
}

#[test]
fn test_sinkhorn_try_cpu_ref_rejects_short_buffers() {
    let err = try_cpu_ref(&[1], &[1], &[1, 1], &[1, 1], &[1, 1], &[1, 1], 2, 2, 1).unwrap_err();
    assert!(err.contains("buffer `k` is too short"), "{err}");
}

#[test]
fn test_sinkhorn_program_parity() {
    let k = vec![1, 1, 1, 1];
    let a = vec![10, 10];
    let b = vec![10, 10];
    let u_c = vec![1, 1];
    let v_in = vec![1, 1];

    let p = sinkhorn_iterate(
        "k", "kt", "a", "b", "uc", "un", "v", "kv", "ktu", "c", 2, 2, 1,
    );

    let (expected_u, _, _) = cpu_ref(&k, &k, &a, &b, &u_c, &v_in, 2, 2, 1);

    use vyre_reference::reference_eval;
    use vyre_reference::value::Value;

    let to_value = |data: &[u32]| {
        let bytes = crate::wire::pack_u32_slice(data);
        Value::Bytes(Arc::from(bytes))
    };

    let inputs = vec![
        to_value(&u_c),
        to_value(&[0_u32, 0]),
        to_value(&[0]),
        to_value(&k),
        to_value(&k),
        to_value(&a),
        to_value(&b),
        to_value(&v_in),
        to_value(&[0_u32, 0]),
        to_value(&[0_u32, 0]),
    ];

    let results = reference_eval(&p, &inputs).expect("Fix: interpreter failed");
    let actual_bytes = results[0].to_bytes();
    let actual_u: Vec<u32> = actual_bytes
        .chunks_exact(4)
        .map(|c| u32::from_le_bytes(c.try_into().unwrap()))
        .collect();
    assert_eq!(actual_u, expected_u);
}

#[test]
fn program_declares_ten_buffers() {
    let p = sinkhorn_iterate(
        "k", "kt", "a", "b", "uc", "un", "v", "kv", "ktu", "c", 2, 2, 5,
    );
    assert_eq!(p.buffers().len(), 10);
}