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CompressedData

torsh_distributed::gradient_compression

Enum CompressedData 

Source 
pub enum CompressedData {
    Sparse {
        indices: Vec<usize>,
        values: Vec<f32>,
    },
    Quantized {
        values: Vec<u8>,
        scale: f32,
        zero_point: u8,
    },
    Signs {
        signs: Vec<bool>,
        norm: f32,
    },
    LowRank {
        left_factor: Vec<f32>,
        right_factor: Vec<f32>,
        rank: usize,
    },
    Sketch {
        sketch: Vec<f32>,
        hash_a: Vec<u32>,
        hash_b: Vec<u32>,
    },
    Ternary {
        values: Vec<i8>,
        scale: f32,
    },
    Bimodal {
        bin_indices: Vec<u8>,
        bin_centers: Vec<f32>,
    },
    Natural {
        values: Vec<f32>,
        frequencies: Vec<u32>,
        codebook: Vec<f32>,
    },
    EF21 {
        compressed_values: Vec<f32>,
        error_feedback: Vec<f32>,
    },
}
Expand description

Compressed data types

Variants§

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Sparse

Sparse representation with indices and values

Fields

§indices: Vec<usize>
§values: Vec<f32>
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Quantized

Quantized values

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§values: Vec<u8>
§scale: f32
§zero_point: u8
§

Signs

Sign representation

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§signs: Vec<bool>
§norm: f32
§

LowRank

Low-rank factors

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§left_factor: Vec<f32>
§right_factor: Vec<f32>
§rank: usize
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Sketch

Sketch representation

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§sketch: Vec<f32>
§hash_a: Vec<u32>
§hash_b: Vec<u32>
§

Ternary

Ternary representation (-1, 0, +1)

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§values: Vec<i8>
§scale: f32
§

Bimodal

Bimodal quantization bins

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§bin_indices: Vec<u8>
§bin_centers: Vec<f32>
§

Natural

Natural compression (frequency-based)

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§values: Vec<f32>
§frequencies: Vec<u32>
§codebook: Vec<f32>
§

EF21

EF21 compressed representation

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§compressed_values: Vec<f32>
§error_feedback: Vec<f32>

Trait Implementations§

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impl Clone for CompressedData

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fn clone(&self) -> CompressedData

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 Debug for CompressedData

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for CompressedData

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for CompressedData

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> Same for T

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type Output = T

Should always be Self
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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
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where T: Serialize + for<'de> Deserialize<'de> + Send + Sync,

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where T: for<'de> Deserialize<'de>,