CompressionStats

Struct CompressionStats 

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pub struct CompressionStats {
    pub total_blocks: usize,
    pub compressed_blocks: usize,
    pub total_uncompressed_size: usize,
    pub total_compressed_size: usize,
    pub compression_ratio: f64,
    pub compression_time: f64,
    pub decompression_time: f64,
    pub cache_hits: usize,
    pub cache_misses: usize,
    pub out_of_core_reads: usize,
    pub out_of_core_writes: usize,
}
Expand description

Statistics for compression operations

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§total_blocks: usize§compressed_blocks: usize§total_uncompressed_size: usize§total_compressed_size: usize§compression_ratio: f64§compression_time: f64§decompression_time: f64§cache_hits: usize§cache_misses: usize§out_of_core_reads: usize§out_of_core_writes: usize

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impl CompressionStats

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pub fn new() -> Self

Create new compression statistics

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pub fn update_compression( &mut self, original_size: usize, compressed_size: usize, compression_time: f64, )

Update statistics with a new compression operation

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pub fn update_decompression(&mut self, decompression_time: f64)

Update decompression statistics

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pub fn record_cache_hit(&mut self)

Record cache hit

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pub fn record_cache_miss(&mut self)

Record cache miss

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pub fn record_out_of_core_read(&mut self)

Record out-of-core read

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pub fn record_out_of_core_write(&mut self)

Record out-of-core write

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pub fn cache_hit_ratio(&self) -> f64

Get cache hit ratio

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pub fn avg_compression_time(&self) -> f64

Get average compression time per block

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pub fn avg_decompression_time(&self) -> f64

Get average decompression time per block

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pub fn compression_efficiency(&self) -> f64

Get compression efficiency (inverse of time)

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pub fn space_savings(&self) -> usize

Get space savings in bytes

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pub fn space_savings_ratio(&self) -> f64

Get space savings ratio

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pub fn reset(&mut self)

Reset statistics

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

Merge with another stats instance

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

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where T: 'static + ?Sized,

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
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