逐步提升算法性能
原文英文,约2500词,阅读约需9分钟。发表于: 。Recently, I've been working on a new approximate nearest neighbor search algorithm called RaBitQ. The author has already provided a C++ implementation that runs quite fast. I tried to rewrite it...
我研究了一种新的近似最近邻搜索算法RaBitQ。虽然作者提供了快速的C++实现,但我用Rust重写后速度较慢。通过优化,我提高了性能,包括调整编译配置、使用SIMD优化距离计算、减少不必要的克隆操作和改进IO处理。最终,这些优化显著提升了查询速度。选择合适的库和工具对性能提升至关重要。