oxillama_quant/
error.rs

1//! Error types for quantization operations.
2
3use thiserror::Error;
4
5/// Result type alias for quantization operations.
6pub type QuantResult<T> = Result<T, QuantError>;
7
8/// Errors that can occur during quantization kernel operations.
9#[derive(Error, Debug)]
10pub enum QuantError {
11    /// The requested quantization type is not yet implemented.
12    #[error("unsupported quantization type: {quant_type}")]
13    UnsupportedType {
14        /// Display name of the unsupported type.
15        quant_type: String,
16    },
17
18    /// Block size does not match expected value for the quantization type.
19    #[error("block size mismatch: expected {expected}, got {got}")]
20    BlockSizeMismatch {
21        /// Expected block size.
22        expected: usize,
23        /// Actual block size.
24        got: usize,
25    },
26
27    /// Matrix/vector dimension mismatch in a kernel operation.
28    #[error("dimension mismatch: expected {expected}, got {got}")]
29    DimensionMismatch {
30        /// Expected dimension.
31        expected: usize,
32        /// Actual dimension.
33        got: usize,
34    },
35
36    /// A low-level kernel computation error.
37    #[error("kernel error: {message}")]
38    KernelError {
39        /// Description of the kernel error.
40        message: String,
41    },
42
43    /// Block count does not match the expected value for the tensor dimensions.
44    #[error("block count mismatch: expected {expected} blocks, got {got}")]
45    BlockCountMismatch {
46        /// Expected number of blocks.
47        expected: usize,
48        /// Actual number of blocks.
49        got: usize,
50    },
51
52    /// Data buffer is too small for the operation.
53    #[error("buffer too small: need {needed} bytes, have {available}")]
54    BufferTooSmall {
55        /// Required buffer size in bytes.
56        needed: usize,
57        /// Available buffer size in bytes.
58        available: usize,
59    },
60
61    /// Internal error (e.g., lock poisoning).
62    #[error("internal error: {message}")]
63    Internal {
64        /// Description of the internal error.
65        message: String,
66    },
67
68    /// Float GEMM (F16/BF16/F32) computation failure.
69    #[error("float GEMM failed: {0}")]
70    FloatGemmFailed(String),
71}
oxillama_quant/error.rs

oxillama_quant/
error.rs
