burn::data::dataset::transform

Struct PartialDataset

pub struct PartialDataset<D, I> { /* private fields */ }
Expand description

Only use a fraction of an existing dataset lazily.

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impl<D, I> PartialDataset<D, I>

pub fn new( dataset: D, start_index: usize, end_index: usize, ) -> PartialDataset<D, I>

Constructs a new PartialDataset.

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impl<D, I> PartialDataset<D, I>
where D: Dataset<I>,

pub fn split(dataset: D, num: usize) -> Vec<PartialDataset<Arc<D>, I>>

Splits a dataset into multiple partial datasets.

pub fn split_chunks( dataset: D, num: usize, batch_size: usize, ) -> Vec<PartialDataset<Arc<D>, I>>

Splits a dataset by distributing complete chunks/batches across multiple partial datasets.

Trait Implementations§

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impl<D, I> Clone for PartialDataset<D, I>
where D: Clone, I: Clone,

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fn clone(&self) -> PartialDataset<D, I>

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl<D, I> Dataset<I> for PartialDataset<D, I>
where D: Dataset<I>, I: Clone + Send + Sync,

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fn get(&self, index: usize) -> Option<I>

Gets the item at the given index.
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fn len(&self) -> usize

Gets the number of items in the dataset.
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fn is_empty(&self) -> bool

Checks if the dataset is empty.
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fn iter(&self) -> DatasetIterator<'_, I> ⓘ
where Self: Sized,

Returns an iterator over the dataset.

Auto Trait Implementations§

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impl<D, I> Freeze for PartialDataset<D, I>
where D: Freeze,

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impl<D, I> RefUnwindSafe for PartialDataset<D, I>
where D: RefUnwindSafe, I: RefUnwindSafe,

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impl<D, I> Send for PartialDataset<D, I>
where D: Send, I: Send,

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impl<D, I> Sync for PartialDataset<D, I>
where D: Sync, I: Sync,

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impl<D, I> Unpin for PartialDataset<D, I>
where D: Unpin, I: Unpin,

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impl<D, I> UnwindSafe for PartialDataset<D, I>
where D: UnwindSafe, I: UnwindSafe,

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impl<T> Adaptor<()> for T

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fn adapt(&self)

Adapt the type to be passed to a metric.
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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> CloneToUninit for T
where T: Clone,

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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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<U> 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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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> Upcast<T> for T

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fn upcast(&self) -> Option<&T>

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

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fn vzip(self) -> V

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impl<I, T> Window<I> for T
where T: Dataset<I> + ?Sized,

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fn window(&self, current: usize, size: NonZero<usize>) -> Option<Vec<I>>

Creates a window of a collection. Read more
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impl<I, T> Windows<I> for T
where T: Dataset<I>,

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fn windows(&self, size: usize) -> WindowsIterator<'_, I> ⓘ

Is empty if the Dataset is shorter than size.

§Panics

Panics if size is 0.

§Examples
use crate::burn_dataset::{
   transform::{Windows, WindowsDataset},
   Dataset, InMemDataset,
};

let items = [1, 2, 3, 4].to_vec();
let dataset = InMemDataset::new(items.clone());

for window in dataset.windows(2) {
 // do sth with window
}
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impl<T> WasmNotSend for T
where T: Send,

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impl<T> WasmNotSendSync for T
where T: WasmNotSend + WasmNotSync,

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impl<T> WasmNotSync for T
where T: Sync,