Enum LowPrecisionState

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pub enum LowPrecisionState {
    F16(Vec<f16>),
    BF16(Vec<bf16>),
    I8 {
        values: Vec<i8>,
        scale: f32,
    },
    I4 {
        values: Vec<u8>,
        scale: f32,
    },
    Sparse {
        indices: Vec<usize>,
        values: Vec<f32>,
    },
}

Expand description

Low-precision state representation for memory-efficient optimizer states

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F16(Vec<f16>)

16-bit float representation

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BF16(Vec<bf16>)

16-bit brain float representation

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I8

8-bit integer representation with scale factor

Fields

§values: Vec<i8>

§scale: f32

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I4

4-bit integer representation with scale factor

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§values: Vec<u8>

§scale: f32

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Sparse

Sparse representation for mostly-zero states

Fields

§indices: Vec<usize>

§values: Vec<f32>

Implementations§

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impl LowPrecisionState

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pub fn memory_footprint(&self) -> usize

Get the memory footprint in bytes

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pub fn to_f32(&self) -> Vec<f32>

Convert to full precision f32 vector

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pub fn from_f32(values: &[f32], precision: PrecisionType) -> Self

Create from f32 vector with specified precision

Trait Implementations§

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impl Clone for LowPrecisionState

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fn clone(&self) -> LowPrecisionState

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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impl Debug for LowPrecisionState

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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 LowPrecisionState

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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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> 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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