vyre-libs 0.6.2

vyre Category A library ecosystem - pure-IR compositions over vyre-ops hardware primitives
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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196

//! Integration test crate for the containing Vyre package.

use super::*;

#[test]
fn linear_tiled_matches_scalar_linear_with_bias_and_tail_tile() {
    let in_dim = 37_u32;
    let out_dim = 65_u32;
    let tile = 16_u32;
    let x = (0..in_dim)
        .map(|i| i.wrapping_mul(3).wrapping_add(1))
        .collect::<Vec<_>>();
    let w = (0..(in_dim * out_dim))
        .map(|i| i.wrapping_mul(5).wrapping_add(7))
        .collect::<Vec<_>>();
    let b = (0..out_dim)
        .map(|i| i.wrapping_mul(11).wrapping_add(13))
        .collect::<Vec<_>>();
    let to_bytes = vyre_primitives::wire::pack_u32_slice;
    let program = linear_tiled("x", "w", "b", "out", in_dim, out_dim, tile)
        .expect("Fix: linear_tiled must accept positive dimensions.");
    let outputs = vyre_reference::reference_eval(
        &program,
        &[
            Value::from(to_bytes(&x)),
            Value::from(to_bytes(&w)),
            Value::from(to_bytes(&b)),
            Value::from(output_zero_bytes(&program)),
        ],
    )
    .expect("Fix: linear_tiled must execute in the reference interpreter.");
    let actual = vyre_primitives::wire::decode_u32_le_bytes_all(&outputs[0].to_bytes());
    let expected = (0..out_dim as usize)
        .map(|j| {
            let mut acc = b[j];
            for k in 0..in_dim as usize {
                acc = acc.wrapping_add(x[k].wrapping_mul(w[k * out_dim as usize + j]));
            }
            acc
        })
        .collect::<Vec<_>>();
    assert_eq!(actual, expected);
}

#[test]
fn linear_tiled_accepts_logical_output_fixture_for_padded_storage() {
    let program = linear_tiled("x", "w", "b", "out", 4, 4, 2)
        .expect("Fix: linear_tiled must build for a 4x4 fixture.");
    let output = program
        .buffers()
        .iter()
        .find(|buffer| buffer.is_output())
        .expect("Fix: linear_tiled must declare an output buffer.");

    assert!(
        output.count() > 4,
        "Fix: linear_tiled should keep padded storage for cooperative tile launch geometry."
    );
    assert_eq!(
        output.output_byte_range(),
        Some(0..16),
        "Fix: linear_tiled must expose only the logical output bytes."
    );

    let x = crate::test_support::byte_pack::u32_bytes(&(0..4).collect::<Vec<_>>());
    let w = crate::test_support::byte_pack::u32_bytes(&(0..16).collect::<Vec<_>>());
    let bias = crate::test_support::byte_pack::u32_bytes(&[0, 0, 0, 0]);
    let outputs = vyre_reference::reference_eval(
        &program,
        &[
            Value::from(x),
            Value::from(w),
            Value::from(bias),
            Value::from(vec![0u8; 16]),
        ],
    )
    .expect("Fix: reference interpreter must pad output backing storage internally.");

    assert_eq!(
        outputs[0].to_bytes(),
        crate::test_support::byte_pack::u32_bytes(&[56, 62, 68, 74])
    );
}

#[test]
fn linear_tiled_matches_reference_on_adversarial_shapes() {
    let shapes = [
        (1_u32, 1_u32, 1_u32),
        (3, 5, 7),
        (15, 16, 17),
        (31, 32, 33),
        (63, 64, 65),
        (127, 128, 129),
        (255, 256, 257),
    ];
    let to_bytes = vyre_primitives::wire::pack_u32_slice;

    for (in_dim, out_dim, tile) in shapes {
        let x: Vec<u32> = (0..in_dim)
            .map(|i| i.wrapping_mul(3).wrapping_add(1))
            .collect();
        let w: Vec<u32> = (0..(in_dim * out_dim))
            .map(|i| i.wrapping_mul(5).wrapping_add(7))
            .collect();
        let b: Vec<u32> = (0..out_dim)
            .map(|i| i.wrapping_mul(11).wrapping_add(13))
            .collect();

        let opt = linear_tiled("x", "w", "b", "out", in_dim, out_dim, tile)
            .expect("Fix: linear_tiled must accept positive dimensions.");
        let ref_ = linear_tiled_reference("x", "w", "b", "out", in_dim, out_dim, tile)
            .expect("Fix: linear_tiled_reference must accept positive dimensions.");

        let opt_outputs = vyre_reference::reference_eval(
            &opt,
            &[
                Value::from(to_bytes(&x)),
                Value::from(to_bytes(&w)),
                Value::from(to_bytes(&b)),
                Value::from(output_zero_bytes(&opt)),
            ],
        )
        .expect("Fix: linear_tiled must execute.");
        let ref_outputs = vyre_reference::reference_eval(
            &ref_,
            &[
                Value::from(to_bytes(&x)),
                Value::from(to_bytes(&w)),
                Value::from(to_bytes(&b)),
                Value::from(vec![0u8; out_dim as usize * 4]),
            ],
        )
        .expect("Fix: linear_tiled_reference must execute.");

        assert_eq!(
            opt_outputs[0].to_bytes(),
            ref_outputs[0].to_bytes(),
            "linear_tiled must match linear_tiled_reference for (in_dim={in_dim}, out_dim={out_dim}, tile={tile})"
        );
    }
}

#[test]
fn linear_tiled_matches_reference_on_boundary_values() {
    let in_dim = 32_u32;
    let out_dim = 48_u32;
    let tile = 16_u32;
    let to_bytes = vyre_primitives::wire::pack_u32_slice;

    let boundary_cases: Vec<Vec<u32>> = vec![
        vec![0; in_dim as usize],
        vec![1; in_dim as usize],
        vec![u32::MAX; in_dim as usize],
        (0..in_dim).collect(),
    ];

    for x in &boundary_cases {
        let w: Vec<u32> = (0..(in_dim * out_dim))
            .map(|i| if i % 2 == 0 { 0 } else { 1 })
            .collect();
        let b: Vec<u32> = (0..out_dim).collect();

        let opt = linear_tiled("x", "w", "b", "out", in_dim, out_dim, tile)
            .expect("Fix: linear_tiled must accept positive dimensions.");
        let ref_ = linear_tiled_reference("x", "w", "b", "out", in_dim, out_dim, tile)
            .expect("Fix: linear_tiled_reference must accept positive dimensions.");

        let opt_outputs = vyre_reference::reference_eval(
            &opt,
            &[
                Value::from(to_bytes(x)),
                Value::from(to_bytes(&w)),
                Value::from(to_bytes(&b)),
                Value::from(output_zero_bytes(&opt)),
            ],
        )
        .expect("Fix: linear_tiled must execute.");
        let ref_outputs = vyre_reference::reference_eval(
            &ref_,
            &[
                Value::from(to_bytes(x)),
                Value::from(to_bytes(&w)),
                Value::from(to_bytes(&b)),
                Value::from(vec![0u8; out_dim as usize * 4]),
            ],
        )
        .expect("Fix: linear_tiled_reference must execute.");

        assert_eq!(
            opt_outputs[0].to_bytes(),
            ref_outputs[0].to_bytes(),
            "linear_tiled must match linear_tiled_reference for boundary input {:?}",
            x
        );
    }
}