Nearest Neighbors# Single-GPU Algorithms# Single-GPU ANN Algorithms: Brute Force KNN Index Index build Index search Index save Index load CAGRA Index build parameters Index search parameters Index Index build Index search Index save Index load Index extend HNSW Index search parameters Index Index Conversion Index search Index save Index load Index extend IVF-Flat Index build parameters Index search parameters Index Index build Index search Index save Index load Index extend IVF-PQ Index build parameters Index search parameters Index Index build Index search Index save Index load Index extend NN-Descent Index build parameters Index Index build Multi-GPU Algorithms# Multi-GPU Distributed ANN: Multi-GPU Nearest Neighbors Overview Important Notes Configuration Options Usage Examples Algorithm-Specific Documentation All-neighbors KNN Parameters Build