Struct ResidencyMachine

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pub struct ResidencyMachine { /* private fields */ }

Expand description

Fixed-capacity state machine with stable slot-order decisions.

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impl ResidencyMachine

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pub fn new(capacity: usize) -> Self

Preallocates all lifecycle slots.

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pub fn request( &mut self, chunk: ChunkId, footprint: ChunkFootprint, ) -> Result<ResidencyTicket, ResidencyMachineError>

Associates the lowest vacant slot with one chunk.

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Returns ResidencyMachineError::Capacity when no slot is vacant.

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pub fn ready_cpu( &mut self, ticket: ResidencyTicket, ) -> Result<(), ResidencyMachineError>

Marks the caller payload ready for staging.

§Errors

The ticket must currently be requested.

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pub fn uploading( &mut self, ticket: ResidencyTicket, ) -> Result<(), ResidencyMachineError>

Marks staging as consumed by an upload command.

§Errors

The ticket must currently be ready on the CPU.

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pub fn resident( &mut self, ticket: ResidencyTicket, ) -> Result<(), ResidencyMachineError>

Marks the completed upload GPU-resident.

§Errors

The ticket must currently be uploading.

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pub fn state(&self, ticket: ResidencyTicket) -> Option<ResidencyState>

Current state of a live ticket.

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pub const fn metrics(&self) -> ResidencyMachineMetrics

Current gauges and cumulative counters.

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impl Debug for ResidencyMachine

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for ResidencyMachine

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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