[−][src]Struct hnsw::HNSW
This provides a HNSW implementation for any distance function.
The type T
must implement FloatingDistance
to get implementations.
Methods
impl<T, M: ArrayLength<u32>, M0: ArrayLength<u32>, R> HNSW<T, M, M0, R> where
R: RngCore + SeedableRng,
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R: RngCore + SeedableRng,
pub fn new() -> Self
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Creates a new HNSW with a PRNG which is default seeded to produce deterministic behavior.
pub fn new_params(params: Params) -> Self
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Creates a new HNSW with a default seeded PRNG and with the specified params.
impl<T, M: ArrayLength<u32>, M0: ArrayLength<u32>, R> HNSW<T, M, M0, R> where
R: RngCore,
T: Distance,
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R: RngCore,
T: Distance,
pub fn new_prng(prng: R) -> Self
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Creates a HNSW with the passed prng
.
pub fn new_params_and_prng(params: Params, prng: R) -> Self
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Creates a HNSW with the passed params
and prng
.
pub fn insert(&mut self, q: T, searcher: &mut Searcher) -> u32
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Inserts a feature into the HNSW.
pub fn nearest<'a>(
&self,
q: &T,
ef: usize,
searcher: &mut Searcher,
dest: &'a mut [u32]
) -> &'a mut [u32]
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&self,
q: &T,
ef: usize,
searcher: &mut Searcher,
dest: &'a mut [u32]
) -> &'a mut [u32]
Does a k-NN search where q
is the query element and it attempts to put up to M
nearest neighbors into dest
.
ef
is the candidate pool size. ef
can be increased to get better recall at the expense of speed.
If ef
is less than dest.len()
then dest
will only be filled with ef
elements.
Returns a slice of the filled neighbors.
pub fn feature(&self, item: u32) -> &T
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pub fn len(&self) -> usize
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pub fn is_empty(&self) -> bool
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Trait Implementations
impl<T: Clone, M: Clone + ArrayLength<u32>, M0: Clone + ArrayLength<u32>, R: Clone> Clone for HNSW<T, M, M0, R>
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fn clone(&self) -> HNSW<T, M, M0, R>
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl<T, M: ArrayLength<u32>, M0: ArrayLength<u32>, R> Default for HNSW<T, M, M0, R> where
R: SeedableRng,
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R: SeedableRng,
Auto Trait Implementations
impl<T, M, M0, R> Sync for HNSW<T, M, M0, R> where
R: Sync,
T: Sync,
R: Sync,
T: Sync,
impl<T, M, M0, R> Send for HNSW<T, M, M0, R> where
R: Send,
T: Send,
R: Send,
T: Send,
impl<T, M, M0, R> Unpin for HNSW<T, M, M0, R> where
R: Unpin,
T: Unpin,
<M as ArrayLength<u32>>::ArrayType: Unpin,
<M0 as ArrayLength<u32>>::ArrayType: Unpin,
R: Unpin,
T: Unpin,
<M as ArrayLength<u32>>::ArrayType: Unpin,
<M0 as ArrayLength<u32>>::ArrayType: Unpin,
impl<T, M, M0, R> RefUnwindSafe for HNSW<T, M, M0, R> where
R: RefUnwindSafe,
T: RefUnwindSafe,
<M as ArrayLength<u32>>::ArrayType: RefUnwindSafe,
<M0 as ArrayLength<u32>>::ArrayType: RefUnwindSafe,
R: RefUnwindSafe,
T: RefUnwindSafe,
<M as ArrayLength<u32>>::ArrayType: RefUnwindSafe,
<M0 as ArrayLength<u32>>::ArrayType: RefUnwindSafe,
impl<T, M, M0, R> UnwindSafe for HNSW<T, M, M0, R> where
R: UnwindSafe,
T: UnwindSafe,
<M as ArrayLength<u32>>::ArrayType: UnwindSafe,
<M0 as ArrayLength<u32>>::ArrayType: UnwindSafe,
R: UnwindSafe,
T: UnwindSafe,
<M as ArrayLength<u32>>::ArrayType: UnwindSafe,
<M0 as ArrayLength<u32>>::ArrayType: UnwindSafe,
Blanket Implementations
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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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>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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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>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> FromCast<T> for T
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impl<T, U> Cast<U> for T where
U: FromCast<T>,
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U: FromCast<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,
fn vzip(self) -> V
impl<T> Same<T> for T
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type Output = T
Should always be Self