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QuantStats

cbtop::quantize

Struct QuantStats 

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pub struct QuantStats {
    pub total_weights: usize,
    pub total_memory_bytes: usize,
    pub f16_memory_bytes: usize,
    pub weights_by_format: HashMap<QuantFormat, usize>,
    pub memory_by_format: HashMap<QuantFormat, usize>,
    pub layer_stats: Vec<LayerQuantStats>,
}
Expand description

Quantization statistics for a model or layer.

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§total_weights: usize

Total weights across all layers

§total_memory_bytes: usize

Total memory (bytes) for quantized weights

§f16_memory_bytes: usize

Memory if stored as F16

§weights_by_format: HashMap<QuantFormat, usize>

Weights per format

§memory_by_format: HashMap<QuantFormat, usize>

Memory per format

§layer_stats: Vec<LayerQuantStats>

Per-layer stats

Implementations§

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impl QuantStats

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pub fn new() -> Self

Create new empty stats.

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pub fn add_layer(&mut self, weights: &QuantizedWeights)

Add layer statistics.

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pub fn compression_ratio(&self) -> f64

Overall compression ratio.

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pub fn avg_bits_per_weight(&self) -> f64

Effective bits per weight (average).

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pub fn dominant_format(&self) -> Option<QuantFormat>

Dominant format (most weights).

Trait Implementations§

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impl Clone for QuantStats

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fn clone(&self) -> QuantStats

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 QuantStats

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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 QuantStats

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fn default() -> QuantStats

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

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

Formats the value using the given formatter. Read more

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