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Extensions / AI and vectors

pg_emd

Fast approximate Earth Mover's Distance using dynamic tree embeddings

pgext.cloud · Source code · Documentation · Control file

Overview

Packagepg_emd
Version0.1.0
PostgreSQL versions17
RepositoryUnspecified
Extension typeStandard
Project statusActive
Requires CREATE EXTENSIONYes
Requires preloadNo
TrustedYes
RelocatableYes
Stars0
Latest commit2025-10-30
Catalogue updated2026-08-30

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See also

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smlarEffective similarity search
pasePostgreSQL ultra-high dimensional approximate nearest neighbor search extension.
hamming_distanceHamming distance and similarity functions for hexadecimal feature-vector strings.
pg_similaritysupport similarity queries
ruvectorSIMD-accelerated vector type and indexes with graph, solver, TDA, local embedding, and AI SQL functions.
pgcontextVector, filter-aware HNSW, and hybrid retrieval over authoritative PostgreSQL tables.
vectorizeThe simplest way to do vector search on Postgres
tlsh_gistTLSH fuzzy-hash data type, distance operations, and GiST indexing for similarity search.
pg_cuvs⚡ Blazing-fast GPU vector search for PostgreSQL powered by NVIDIA cuVS.