Struct CpuBackend

pub struct CpuBackend;

Expand description

Implementation of ComputationBackend for the default Backend that uses the CPU for all computations.

Trait Implementations§

impl Clone for CpuBackend

fn clone(&self) -> CpuBackend

Returns a copy of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl ComputationBackend for CpuBackend

type Vec<P: Send + Sync + Debug + 'static> = Vec<P>

fn to_hal_slice<P: Debug + Send + Sync + 'static>(v: Vec<P>) -> Self::Vec<P>

Creates Self::Vec<P> from the given Vec<P>.

fn tensor_product_full_query<P: PackedField>( &self, query: &[P::Scalar], ) -> Result<Self::Vec<P>, Error>

Computes tensor product expansion.

fn sumcheck_compute_first_round_evals<FDomain, FBase, F, PBase, P, M, Evaluator, Composition>( &self, n_vars: usize, multilinears: &[SumcheckMultilinear<P, M>], evaluators: &[Evaluator], evaluation_points: &[FDomain], ) -> Result<Vec<RoundEvals<P::Scalar>>, Error>
where FDomain: Field, FBase: ExtensionField<FDomain>, F: Field + ExtensionField<FDomain> + ExtensionField<FBase>, PBase: PackedField<Scalar = FBase> + PackedExtension<FDomain>, P: PackedField<Scalar = F> + PackedExtension<FDomain> + RepackedExtension<PBase>, M: MultilinearPoly<P> + Send + Sync, Evaluator: SumcheckEvaluator<PBase, P, Composition> + Sync, Composition: CompositionPolyOS<P>,

Calculate the accumulated evaluations for the first round of zerocheck.

fn sumcheck_compute_later_round_evals<FDomain, F, P, M, Evaluator, Composition>( &self, n_vars: usize, tensor_query: Option<MultilinearQueryRef<'_, P>>, multilinears: &[SumcheckMultilinear<P, M>], evaluators: &[Evaluator], evaluation_points: &[FDomain], ) -> Result<Vec<RoundEvals<P::Scalar>>, Error>
where FDomain: Field, F: Field + ExtensionField<FDomain>, P: PackedField<Scalar = F> + PackedExtension<FDomain>, M: MultilinearPoly<P> + Send + Sync, Evaluator: SumcheckEvaluator<P, P, Composition> + Sync, Composition: CompositionPolyOS<P>,

Calculate the accumulated evaluations for an arbitrary round of zerocheck.

fn evaluate_partial_high<P: PackedField>( &self, multilinear: &impl MultilinearPoly<P>, query_expansion: MultilinearQueryRef<'_, P>, ) -> Result<MultilinearExtension<P>, Error>

Partially evaluate the polynomial with assignment to the high-indexed variables.

impl Debug for CpuBackend

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for CpuBackend

impl RefUnwindSafe for CpuBackend

impl Send for CpuBackend

impl Sync for CpuBackend

impl Unpin for CpuBackend

impl UnwindSafe for CpuBackend

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. Read more

impl<Backend> ComputationBackendExt for Backend
where Backend: ComputationBackend,

fn multilinear_query<P: PackedField>( &self, query: &[P::Scalar], ) -> Result<MultilinearQuery<P, Self::Vec<P>>, Error>

Constructs a MultilinearQuery by performing tensor product expansion on the given query.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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

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

impl<T> Pointable for T

const ALIGN: usize = _

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more