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CompressionStats

Struct CompressionStats 

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pub struct CompressionStats {
    pub algorithm: Option<Algorithm>,
    pub original_size: usize,
    pub compressed_size: usize,
    pub time_us: u64,
    pub blocks_processed: usize,
    pub peak_memory: Option<usize>,
    pub dictionary_used: bool,
    pub simd_used: bool,
    pub checksum: Option<u64>,
}
Expand description

Statistics from a compression/decompression operation.

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§algorithm: Option<Algorithm>

Algorithm used.

§original_size: usize

Original (uncompressed) size in bytes.

§compressed_size: usize

Compressed size in bytes.

§time_us: u64

Time taken in microseconds.

§blocks_processed: usize

Number of blocks processed.

§peak_memory: Option<usize>

Peak memory usage in bytes.

§dictionary_used: bool

Whether dictionary was used.

§simd_used: bool

Whether SIMD was used.

§checksum: Option<u64>

Checksum (if computed).

Implementations§

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impl CompressionStats

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pub fn new() -> Self

Create new empty stats.

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pub fn from_operation( algorithm: Algorithm, original_size: usize, compressed_size: usize, time_us: u64, ) -> Self

Create stats from a completed operation.

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pub fn ratio(&self) -> CompressionRatio

Get compression ratio.

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pub fn throughput_bps(&self) -> f64

Get throughput in bytes per second.

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pub fn throughput_mbs(&self) -> f64

Get throughput in MB/s.

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pub fn savings_percent(&self) -> f64

Get space savings as percentage.

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pub fn merge(&mut self, other: &CompressionStats)

Merge stats from multiple operations.

Trait Implementations§

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impl Clone for CompressionStats

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fn clone(&self) -> CompressionStats

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for CompressionStats

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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 Default for CompressionStats

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fn default() -> CompressionStats

Returns the “default value” for a type. Read more

Auto Trait 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<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<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> 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

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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.