Crate next_plaid 

Lategrep: CPU-based PLAID implementation for multi-vector search

This crate provides a pure Rust, CPU-only implementation of the PLAID algorithm for efficient multi-vector search (late interaction retrieval).

Re-exports

pub use codec::CentroidStore;

pub use codec::ResidualCodec;

pub use error::Error;

pub use error::Result;

pub use index::Index;

pub use index::IndexConfig;

pub use index::LoadedIndex;

pub use index::Metadata;

pub use kmeans::compute_centroids;

pub use kmeans::compute_centroids_from_documents;

pub use kmeans::compute_kmeans;

pub use kmeans::estimate_num_partitions;

pub use kmeans::ComputeKmeansConfig;

pub use search::QueryResult;

pub use search::SearchParameters;

pub use strided_tensor::IvfStridedTensor;

pub use strided_tensor::StridedTensor;

pub use update::UpdateConfig;

Modules

codec

Residual codec for quantization and decompression

delete

Document deletion functionality for removing documents from an existing index.

embeddings

Embedding reconstruction from compressed index data.

error

Error types for the next-plaid library

index

Index creation and management for PLAID

kmeans

K-means clustering integration using fastkmeans-rs.

mmap

Memory-mapped file support for efficient large index loading.

search

Search functionality for PLAID

strided_tensor

StridedTensor for efficient batch lookup of variable-length sequences.

update

Index update functionality for adding new documents.

utils

Utility functions for next-plaid

Structs

FastKMeans

Fast k-means clustering implementation compatible with ndarray.

KMeansConfig

Configuration for the FastKMeans algorithm