Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00294-5
坝河风景如画。 朝阳区融媒体中心供图
，这一点在heLLoword翻译官方下载中也有详细论述
The solver takes the LLB graph and executes it. Each vertex in the DAG is content-addressed, so if you’ve already built a particular step with the same inputs, BuildKit skips it entirely. This is why BuildKit is fast: it doesn’t just cache layers linearly like the old Docker builder. It caches at the operation level across the entire graph, and it can execute independent branches in parallel.
仅仅半年以后，iPhone 5 发布，而这次 iPhone 有个大事件，丢掉了过去一英寸宽的接口，取而代之的是一个小得多的 Lighting 接口。