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PairformerBlock

ferritin_plms::esmfold2::layers::pairformer

Struct PairformerBlock 

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pub struct PairformerBlock { /* private fields */ }
Expand description

One Pairformer layer: refines the pair representation [B, N, N, d_pair].

Used by both the 24-layer FoldingTrunk and the 4-layer ConfidenceHead trunk. Triangle multiplication hidden dim (c_hidden) is fixed at 128.

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impl PairformerBlock

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pub fn load(vb: VarBuilder<'_>, d_pair: usize, n_heads: usize) -> Result<Self>

Load one Pairformer block from a VarBuilder rooted at blocks.{i}.

n_heads must evenly divide d_pair; for the trunk, n_heads=8, d_pair=256.

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pub fn forward(&self, z: &Tensor) -> Result<Tensor>

Run one Pairformer layer.

Input/output: [B, N, N, d_pair].

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