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|
use crate::{DType, DeviceLocation, Layout, Shape};
#[derive(Debug, Clone)]
pub struct MatMulUnexpectedStriding {
pub lhs_l: Layout,
pub rhs_l: Layout,
pub bmnk: (usize, usize, usize, usize),
pub msg: &'static str,
}
/// Main library error type.
#[derive(thiserror::Error, Debug)]
pub enum Error {
// === DType Errors ===
#[error("{msg}, expected: {expected:?}, got: {got:?}")]
UnexpectedDType {
msg: &'static str,
expected: DType,
got: DType,
},
#[error("dtype mismatch in {op}, lhs: {lhs:?}, rhs: {rhs:?}")]
DTypeMismatchBinaryOp {
lhs: DType,
rhs: DType,
op: &'static str,
},
#[error("unsupported dtype {0:?} for op {1}")]
UnsupportedDTypeForOp(DType, &'static str),
// === Dimension Index Errors ===
#[error("{op}: dimension index {dim} out of range for {shape:?}")]
DimOutOfRange {
shape: Shape,
dim: i32,
op: &'static str,
},
#[error("{op}: duplicate dim index {dims:?} for shape {shape:?}")]
DuplicateDimIndex {
shape: Shape,
dims: Vec<usize>,
op: &'static str,
},
// === Shape Errors ===
#[error("unexpected rank, expected: {expected}, got: {got} ({shape:?})")]
UnexpectedNumberOfDims {
expected: usize,
got: usize,
shape: Shape,
},
#[error("{msg}, expected: {expected:?}, got: {got:?}")]
UnexpectedShape {
msg: String,
expected: Shape,
got: Shape,
},
#[error(
"Shape mismatch, got buffer of size {buffer_size} which is compatible with shape {shape:?}"
)]
ShapeMismatch { buffer_size: usize, shape: Shape },
#[error("shape mismatch in {op}, lhs: {lhs:?}, rhs: {rhs:?}")]
ShapeMismatchBinaryOp {
lhs: Shape,
rhs: Shape,
op: &'static str,
},
#[error("shape mismatch in cat for dim {dim}, shape for arg 1: {first_shape:?} shape for arg {n}: {nth_shape:?}")]
ShapeMismatchCat {
dim: usize,
first_shape: Shape,
n: usize,
nth_shape: Shape,
},
#[error("empty tensor for {op}")]
EmptyTensor { op: &'static str },
// === Device Errors ===
#[error("device mismatch in {op}, lhs: {lhs:?}, rhs: {rhs:?}")]
DeviceMismatchBinaryOp {
lhs: DeviceLocation,
rhs: DeviceLocation,
op: &'static str,
},
// === Op Specific Errors ===
#[error("narrow invalid args {msg}: {shape:?}, dim: {dim}, start: {start}, len:{len}")]
NarrowInvalidArgs {
shape: Shape,
dim: usize,
start: usize,
len: usize,
msg: &'static str,
},
#[error("conv1d invalid args {msg}: inp: {inp_shape:?}, k: {k_shape:?}, pad: {padding}, stride: {stride}")]
Conv1dInvalidArgs {
inp_shape: Shape,
k_shape: Shape,
padding: usize,
stride: usize,
msg: &'static str,
},
#[error("{op} invalid index {index} with vocab {vocab_size}")]
InvalidIndex {
op: &'static str,
index: usize,
vocab_size: usize,
},
#[error("cannot broadcast {src_shape:?} to {dst_shape:?}")]
BroadcastIncompatibleShapes { src_shape: Shape, dst_shape: Shape },
#[error("cannot set variable {msg}")]
CannotSetVar { msg: &'static str },
// Box indirection to avoid large variant.
#[error("{0:?}")]
MatMulUnexpectedStriding(Box<MatMulUnexpectedStriding>),
#[error("{op} only supports contiguous tensors")]
RequiresContiguous { op: &'static str },
#[error("{op} expects at least one tensor")]
OpRequiresAtLeastOneTensor { op: &'static str },
#[error("backward is not supported for {op}")]
BackwardNotSupported { op: &'static str },
// === Other Errors ===
#[error("the candle crate has not been built with cuda support")]
NotCompiledWithCudaSupport,
#[error("cannot find tensor {path}")]
CannotFindTensor { path: String },
// === Wrapped Errors ===
#[error(transparent)]
Cuda(Box<dyn std::error::Error + Send + Sync>),
#[error(transparent)]
TryFromIntError(#[from] core::num::TryFromIntError),
#[error("npy/npz error {0}")]
Npy(String),
/// Zip file format error.
#[error(transparent)]
Zip(#[from] zip::result::ZipError),
/// Integer parse error.
#[error(transparent)]
ParseInt(#[from] std::num::ParseIntError),
/// I/O error.
#[error(transparent)]
Io(#[from] std::io::Error),
/// SafeTensor error.
#[error(transparent)]
SafeTensor(#[from] safetensors::SafeTensorError),
#[error("unsupported safetensor dtype {0:?}")]
UnsupportedSafeTensorDtype(safetensors::Dtype),
#[error(transparent)]
Wrapped(Box<dyn std::error::Error + Send + Sync>),
#[error("{inner}\n{backtrace}")]
WithBacktrace {
inner: Box<Self>,
backtrace: Box<std::backtrace::Backtrace>,
},
}
pub type Result<T> = std::result::Result<T, Error>;
impl Error {
pub fn wrap(err: impl std::error::Error + Send + Sync + 'static) -> Self {
Self::Wrapped(Box::new(err))
}
pub fn bt(self) -> Self {
let backtrace = std::backtrace::Backtrace::capture();
match backtrace.status() {
std::backtrace::BacktraceStatus::Disabled
| std::backtrace::BacktraceStatus::Unsupported => self,
_ => Self::WithBacktrace {
inner: Box::new(self),
backtrace: Box::new(backtrace),
},
}
}
}
|
