Enum Device 

#[non_exhaustive]
pub enum Device {
    Cpu,
    Metal {
        index: usize,
    },
    Cuda {
        index: usize,
    },
}

Where a tensor’s storage lives and where its work runs.

This is a handle, not a backend: it names a place. The backend registry resolves a handle to an implementation; this crate must never know how.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Cpu

The multi-threaded CPU backend — always available.

Metal

An Apple-Silicon GPU via Metal, by device index.

Fields

index: usize

Zero-based device index. Registration adds device 0 only; a higher index resolves to BackendUnavailable (see docs/LIMITATIONS.md).

Cuda

An NVIDIA GPU, by device index — served by oxmera-cuda once a driver and device are registered (oxmera_runtime::init).

Fields

index: usize

Zero-based device index. Registration adds device 0 only; a higher index resolves to BackendUnavailable (see docs/LIMITATIONS.md).

Implementations

impl Device

pub fn kind_name(self) -> &'static str

A short stable name for the device kind ("cpu", "metal", "cuda"), used in error messages and oxmera doctor output.

Trait Implementations

impl Clone for Device

fn clone(&self) -> Device

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Device

impl Debug for Device

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Device

impl Hash for Device

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Device

fn eq(&self, other: &Device) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Device