RSLM: Training-Free Vector Quantization for Approximate Nearest Neighbor Search
By introducing RSLM (Rotated Scaled Lloyd-Max), a family of training-free vector quantization codecs compressing embeddings to 1--4 bits per dimension, this work reduces memory cost and memory bandwidth of a typical large-scale Approximate Nearest Neighbor (ANN) search system, while reducing its complexity and keeping...
Rastislav Lenhardt, Teodora Dobos, Thomas Vecchiato et al.
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