pgvector (@pgvector) profile picture

Open-source vector similarity search for Postgres

Joined June 2023
Photo by pgvector (@pgvector)Photo by pgvector (@pgvector)Photo by pgvector (@pgvector)
pgvector 0.8.0 is now available with improved filtering and performance 🔥
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pgvector 0.7.1 is now available with improved performance for on-disk HNSW index builds (thanks to findings from Tomas Vondra) 🔥
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pgvector 0.7.0 will support indexing vectors at half precision with both HNSW and IVFFlat 🔥
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pgvector now uses intrinsics + CPU dispatching for key float16 operations, providing much better halfvec performance on x86-64 than before 🔥
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pgvector retweeted
Hybrid search combines full text and semantic search for more relevant results Learn how to implement it using @pgvector and @OpenAI 🤖 supabase.com/docs/guides/ai/…
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Jonathan Katz (@jkatz05): Scalar and binary quantization for pgvector vector search and storage postgr.es/p/6sO
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Support for float16 vectors has been merged 🔥 Store and/or index your vectors at half-precision to save space and memory
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Support for indexing binary vectors has been merged and will be available in 0.7.0 🔥
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pgvector 0.6.2 is now available, improving performance for HNSW index builds with a large number of parallel workers 🔥
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pgvector retweeted
Postgres community delivers again 💚 pgvector 0.6.0: 30x faster with parallel index builds Link: supabase.com/blog/pgvector-f…
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pgvector 0.6.0 is out 🎉
The @pgvector 0.6.0 release is now available! There are many performance improvements to HNSW index building, including support for parallel builds. Lots of awesome work by @andrewkane and Heikki Linnakangas on this release. Changelog here: github.com/pgvector/pgvector…
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New episode: "pgvector" Michael is joined by Jonathan Katz (@jkatz05), @PostgreSQL Core Team member, Product Manager @awscloud, and @pgvector contributor. They cover what it is, some tuning guidance, and a look ahead. 🎧 postgres.fm/episodes/pgvecto… 📺 youtube.com/watch?v=vvImP6A_…
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pgvector 0.5.1 is out with much faster HNSW build times thanks to Heikki Linnakangas 🔥
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🧠 A developer's guide to the ivfflat index in pgvector Learn how it enables approximate nearest neighbor search when using @PostgreSQL as a vector database, plus best practices (and gotchas!) when using it for similarity search over @OpenAI embeddings. timescale.com/blog/nearest-n…
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Jonathan Katz (@jkatz05): Vectors are the new JSON in PostgreSQL postgr.es/p/5N4
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✨A zero to hero guide to create, store and query @OpenAI embeddings with @PostgreSQL and pgvector. Learn how to build a chatbot to answer questions about blog posts using PostgreSQL as a vector database for OpenAI embeddings. timescale.com/blog/postgresq…
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