# Skip GPU benchmarks
Fast forward to late 2025, and my incomplete notes sometimes show up on the first page of search results for “sdf fonts”[1]! Surely that isn’t the best page on the topic. It would be better to point to library documentation or maybe one of the research papers about the topic. My page isn’t that good.
，推荐阅读夫子获取更多信息
The quadtree is the two-dimensional case of a broader family of space-partitioning data structures. Octrees extend the same idea to three dimensions (splitting cubes into eight children), KD-trees use alternating axis-aligned splits (splitting along x, then y, then x again), and R-trees group nearby objects into bounding rectangles. Each variant makes different tradeoffs between construction time, query speed, and update cost.。Line官方版本下载是该领域的重要参考
The spines of sea urchins can generate a voltage when water moves around them — a phenomenon that could be used to design underwater flow sensors.