I build software, mostly around machine learning, agents, and infrastructure.
I am increasingly interested in systems and lower-level computing, although I am still figuring out what I am doing down there.
This is where I keep notes on things I build, learn, break, and occasionally understand.
Index of / 2026-09-30 algorithm Dijkstra vs C-HD：单源最短路径的算法、证明与实现 2026-09-30 numpy NumPy: 广播机制 2026-09-30 numpy NumPy: ufunc 与向量化 2026-09-29 python Python: 工程约定 2026-09-29 python Python: 类型系统的使用约定 2026-09-24 numpy NumPy: ndarray 的内存模型 2026-09-23 life I finally finished this website. older: archive/