1:4 和 4:1 的尺寸，同样适合用来生成各种特定物体的图片。
Now, OsmAnd performs another Dijkstra search, but this time on the much smaller "base graph." This graph consists only of the border points and the pre-calculated shortcut values between them.，这一点在51吃瓜中也有详细论述
Publication date: 10 March 2026，推荐阅读搜狗输入法下载获取更多信息
32 entries may sound small by modern standards (current x86 processors have thousands of TLB entries), but it covers 128 KB of memory -- enough for the working set of most 1980s programs. A TLB miss is not catastrophic either; the hardware page walker handles it transparently in about 20 cycles.
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10207-1