Struct BufferIdentity 

pub struct BufferIdentity { /* private fields */ }

Unique identity for a tensor’s underlying buffer.

Created fresh on every buffer allocation or import. The id is a cache key, kind records what system key (if any) it was derived from, and the guard is an Arc<()> whose weak references allow downstream caches to detect when the buffer has been dropped.

Implementations

impl BufferIdentity

pub fn derived(kind: IdentityKind, key: u64) -> Self

Derive an identity from a key the operating system already guarantees.

Deliberately NOT a counter: two independently-linked copies of this crate must derive the same id for the same buffer, or a consumer’s import cache misses every frame. See the design spec, “The core finding”.

pub fn id(&self) -> u64

Unique identifier for this buffer. Changes when the buffer changes.

pub fn kind(&self) -> IdentityKind

What kind of system key this identity was derived from.

pub fn weak(&self) -> Weak<()>

Returns a weak reference to the buffer guard. Goes dead when the owning Tensor is dropped (and no clones remain).

Trait Implementations

impl Clone for BufferIdentity

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BufferIdentity

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

Formats the value using the given formatter.