union alloc_header *h;
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10210-6
，这一点在搜狗输入法2026中也有详细论述
With a thousand points, you barely notice the delay. With a million, you're doing a million distance calculations for every single query. On a phone updating the map as the user scrolls, that's untenable.。同城约会对此有专业解读
writeSync(chunk) { addChunk(chunk); return true; },
that became its undoing.