Everything-about-Dynamic-NN-Descent This is the official repository of Dynamic NN-Descent. Over 85% extra memory and 30% time costs are saved by Dynamic NN-Descent compared to NN-Descent. You will learn EVERYTHING about Dynamic NN-Descent ONCE and with C++ here. 1. The k-NN Graph 2. NN-Descent (kgraph) 3. Dynamic NN-Descent 4. Nearest Neighbor Search