realizar 0.8.5

Pure Rust ML inference engine built from scratch - model serving for GGUF and safetensors
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


#[test]
fn test_infer_rope_type_norm_default() {
    let empty_meta = std::collections::HashMap::new();

    // LLaMA and unknown architectures default to NORM (0)
    assert_eq!(
        GgufToAprQ4KConverter::infer_rope_type("llama", &empty_meta),
        0
    );
    assert_eq!(
        GgufToAprQ4KConverter::infer_rope_type("unknown_arch", &empty_meta),
        0
    );
    assert_eq!(
        GgufToAprQ4KConverter::infer_rope_type("tinyllama", &empty_meta),
        0
    );
}

#[test]
fn test_infer_rope_type_explicit_scaling() {
    use crate::gguf::GGUFValue;

    let mut meta = std::collections::HashMap::new();
    meta.insert(
        "qwen2.rope.scaling.type".to_string(),
        GGUFValue::String("yarn".to_string()),
    );

    // Explicit "yarn" -> NEOX (2)
    assert_eq!(GgufToAprQ4KConverter::infer_rope_type("qwen2", &meta), 2);
}

#[test]
fn test_infer_rope_type_explicit_none_scaling() {
    use crate::gguf::GGUFValue;

    let mut meta = std::collections::HashMap::new();
    meta.insert(
        "llama.rope.scaling.type".to_string(),
        GGUFValue::String("none".to_string()),
    );

    // Explicit "none" -> NORM (0)
    assert_eq!(GgufToAprQ4KConverter::infer_rope_type("llama", &meta), 0);
}

#[test]
fn test_infer_rope_type_explicit_linear_scaling() {
    use crate::gguf::GGUFValue;

    let mut meta = std::collections::HashMap::new();
    meta.insert(
        "llama.rope.scaling.type".to_string(),
        GGUFValue::String("linear".to_string()),
    );

    assert_eq!(GgufToAprQ4KConverter::infer_rope_type("llama", &meta), 0);
}

#[test]
fn test_infer_rope_type_explicit_neox_scaling() {
    use crate::gguf::GGUFValue;

    let mut meta = std::collections::HashMap::new();
    meta.insert(
        "llama.rope.scaling.type".to_string(),
        GGUFValue::String("neox".to_string()),
    );

    // Explicit "neox" overrides architecture default
    assert_eq!(GgufToAprQ4KConverter::infer_rope_type("llama", &meta), 2);
}

#[test]
fn test_infer_rope_type_unknown_explicit_falls_through() {
    use crate::gguf::GGUFValue;

    let mut meta = std::collections::HashMap::new();
    meta.insert(
        "llama.rope.scaling.type".to_string(),
        GGUFValue::String("unknown_type".to_string()),
    );

    // Unknown explicit type falls through to architecture-based detection
    // "llama" defaults to NORM (0)
    assert_eq!(GgufToAprQ4KConverter::infer_rope_type("llama", &meta), 0);
}

// ============================================================================
// GGUF metadata helpers
// ============================================================================

#[test]
fn test_get_string_helper() {
    use crate::gguf::GGUFValue;

    let mut meta = std::collections::HashMap::new();
    meta.insert("key1".to_string(), GGUFValue::String("value1".to_string()));
    meta.insert("key2".to_string(), GGUFValue::UInt32(42));

    assert_eq!(
        GgufToAprQ4KConverter::get_string(&meta, "key1"),
        Some("value1".to_string())
    );
    assert_eq!(GgufToAprQ4KConverter::get_string(&meta, "key2"), None);
    assert_eq!(
        GgufToAprQ4KConverter::get_string(&meta, "nonexistent"),
        None
    );
}

#[test]
fn test_get_u32_helper() {
    use crate::gguf::GGUFValue;

    let mut meta = std::collections::HashMap::new();
    meta.insert("u32".to_string(), GGUFValue::UInt32(42));
    meta.insert("i32".to_string(), GGUFValue::Int32(100));
    meta.insert("u64".to_string(), GGUFValue::UInt64(200));
    meta.insert(
        "str".to_string(),
        GGUFValue::String("not a number".to_string()),
    );

    assert_eq!(GgufToAprQ4KConverter::get_u32(&meta, "u32"), Some(42));
    assert_eq!(GgufToAprQ4KConverter::get_u32(&meta, "i32"), Some(100));
    assert_eq!(GgufToAprQ4KConverter::get_u32(&meta, "u64"), Some(200));
    assert_eq!(GgufToAprQ4KConverter::get_u32(&meta, "str"), None);
    assert_eq!(GgufToAprQ4KConverter::get_u32(&meta, "missing"), None);
}

#[test]
fn test_get_f32_helper() {
    use crate::gguf::GGUFValue;

    let mut meta = std::collections::HashMap::new();
    meta.insert("f32".to_string(), GGUFValue::Float32(3.14));
    meta.insert("f64".to_string(), GGUFValue::Float64(2.718));
    meta.insert("u32".to_string(), GGUFValue::UInt32(42));

    let f32_val = GgufToAprQ4KConverter::get_f32(&meta, "f32");
    assert!(f32_val.is_some());
    assert!((f32_val.unwrap() - 3.14).abs() < 0.001);

    let f64_val = GgufToAprQ4KConverter::get_f32(&meta, "f64");
    assert!(f64_val.is_some());
    assert!((f64_val.unwrap() - 2.718).abs() < 0.01);

    assert_eq!(GgufToAprQ4KConverter::get_f32(&meta, "u32"), None);
    assert_eq!(GgufToAprQ4KConverter::get_f32(&meta, "missing"), None);
}