• Faiss implementation
• The residual quantizer
• The Local Search Quantizer
• As a codec
• Comparison of the additive quantizer options
• 64-bit results
• 128-bit results
• Implementation of use_beam_LUT=1 for residual quantizers
• Flat indexes
• LUT implementation
• The issue with L2 search and storing the norm
• Evaluation
• IVF indexes with additive quantizer codes
• Evaluation
• Comparison of LSQ and residual quantizer
• residual quantizer with look-up tables
• Additive coarse quantizers
• Coarse quantizer search
• Evaluation
• Splitting a residual quantizer into prefix and suffix