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LayerActivationTrace

trueno::brick

Struct LayerActivationTrace 

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pub struct LayerActivationTrace {
    pub layer_idx: usize,
    pub input_stats: TensorStats,
    pub post_norm_stats: TensorStats,
    pub post_attn_stats: TensorStats,
    pub post_ffn_stats: TensorStats,
    pub output_stats: TensorStats,
    pub residual_ratio: f32,
}
Expand description

Activation trace for a single transformer layer.

Records tensor statistics at each stage of a transformer layer: input -> norm -> attention -> residual -> ffn -> output

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§layer_idx: usize

Layer index (0-indexed)

§input_stats: TensorStats

Input hidden state statistics

§post_norm_stats: TensorStats

After RMSNorm/LayerNorm statistics

§post_attn_stats: TensorStats

After attention statistics

§post_ffn_stats: TensorStats

After FFN statistics

§output_stats: TensorStats

Output hidden state statistics

§residual_ratio: f32

Residual connection magnitude ratio (output_norm / (output_norm + attn_norm))

Implementations§

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impl LayerActivationTrace

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pub fn new(layer_idx: usize) -> Self

Create a new layer activation trace.

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pub fn has_anomaly(&self) -> bool

Check if this layer has any anomalies.

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pub fn anomaly_description(&self) -> Option<String>

Get anomaly description for this layer.

Trait Implementations§

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impl Clone for LayerActivationTrace

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fn clone(&self) -> LayerActivationTrace

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 LayerActivationTrace

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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 LayerActivationTrace

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fn default() -> LayerActivationTrace

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

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