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.
AnnouncementsPolicy
，这一点在51吃瓜中也有详细论述
The Test PLA resolves complex privilege decisions in a single evaluation using 148 product terms, with a 3-delay-slot pipeline to overlap checks with useful work. The PTSAV/PTOVRR mechanism lets one shared subroutine serve dozens of callers with different validation rules.
Sign up for a VPN (like ExpressVPN)