• Summary of methods
• Flat indexes
• Supported operations
• Vectors encodings
• Cell-probe methods (IndexIVF* indexes)
• Cell probe method with a flat index as coarse quantizer
• Other types of coarse quantizers
• Encoding of vectors in an IndexIVF
• IndexHNSW variants
• Supported encodings
• Supported operations
• IndexLSH and its relationship with cell-probe methods
• Binary LSH codes
• Indexes based on Product Quantization codes
• Inverted file with PQ refinement
• Indexes based on a residual quantizer