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Storing IVF indexes on disk

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Matthijs Douze edited this page Jul 27, 2020 · 5 revisions

Content has been moved to Indexes that do not fit in RAM

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Basics

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Faiss building blocks: clustering, PCA, quantization

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Faiss indexes

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Pre- and post-processing

The index factory

Index IO, cloning and hyper parameter tuning

Special operations on indexes

Additive quantizers

GPU Faiss

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GPU versus CPU

Sample: GPU k-means

Advanced topics

Faiss code structure

Threads and asynchronous calls

Inverted list objects and scanners

Indexes that do not fit in RAM

Vector codecs

Brute force search without an index

Fast accumulation of PQ and AQ codes (FastScan)

Implementation notes

Setting search parameters for one query

How to make Faiss run faster

Typical use cases and benchmarks

Low level benchmarks

Indexing 1M vectors

Indexing 1G vectors

Indexing 1T vectors

Vector codec benchmarks

Binary hashing index benchmark

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