Method export_vectors

nodedb-vector/src/hnsw/graph/index.rs:325–336

Export all vectors as F32 for snapshot transfer. For F32 indexes this is a clone. For F16/BF16 indexes each vector is decoded to F32 on the fly.

(&self)

    /// For F32 indexes this is a clone. For F16/BF16 indexes each vector is
    /// decoded to F32 on the fly.
    pub fn export_vectors(&self) -> Vec<Vec<f32>> {
        self.nodes
            .iter()
            .map(|n| match &n.storage {
                NodeStorage::F32(v) => v.clone(),
                NodeStorage::Bytes { dtype, bytes } => {
                    crate::dtype::cast_to_f32(bytes, *dtype, self.dim)
                        .expect("export_vectors: byte-length invariant violated")
                }
            })
            .collect()
    }

    /// Export all neighbor lists for snapshot transfer.
    pub fn export_neighbors(&self) -> Vec<Vec<Vec<u32>>> {