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CompressionStatistics

qualia_core_db::specialized_libs::statistical_computing

Struct CompressionStatistics 

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pub struct CompressionStatistics {
    pub original_size: u64,
    pub compressed_size: u64,
    pub compression_ratio: f64,
    pub compression_time: u64,
    pub decompression_time: u64,
    pub compression_count: u64,
    pub decompression_count: u64,
}
Expand description

Compression statistics

Tracks cumulative metrics across all compression/decompression operations performed by a DataCompressionEngine. The compression_ratio field records the ratio of the most recent compression operation, while CompressionStatistics::compression_ratio computes the overall ratio from the cumulative byte totals.

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§original_size: u64

Total original (uncompressed) bytes processed across all compress ops.

§compressed_size: u64

Total compressed bytes produced across all compress ops.

§compression_ratio: f64

Ratio of the most recent compression operation (compressed / original).

§compression_time: u64

Total time spent compressing, in nanoseconds.

§decompression_time: u64

Total time spent decompressing, in nanoseconds.

§compression_count: u64

Number of compression operations performed.

§decompression_count: u64

Number of decompression operations performed.

Implementations§

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impl CompressionStatistics

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pub fn new() -> Self

Create a fresh, zeroed statistics record.

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pub fn record_compression( &mut self, original: u64, compressed: u64, elapsed_ns: u64, )

Record a single compression operation.

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pub fn record_decompression(&mut self, elapsed_ns: u64)

Record a single decompression operation.

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pub fn compression_ratio(&self) -> f64

Overall compression ratio across all operations (compressed_size / original_size). Returns 0.0 when no data has been compressed yet.

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pub fn summary(&self) -> String

Human-readable summary of the accumulated statistics.

Trait Implementations§

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impl Clone for CompressionStatistics

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fn clone(&self) -> CompressionStatistics

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 CompressionStatistics

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

Formats the value using the given formatter. Read more

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