介绍了如何在CUDA上搭建KD-TRIE，以及如何在CUDA上对其进行搜索和预处理，使其能适应解决粒子邻居搜索问题。-Describes how to build CUDA on KD-TRIE, and how to search them on CUDA and pre-treatment, so that it can adapt to solve the particle neighbor search problem.

使用KDtree进行KNN计算的source code-kd tree KNN