Вячеслав Агапов
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.
，这一点在搜狗输入法2026中也有详细论述
刘年丰：最本质的原因就是因为，我们现在具身模型主流使用的VLA，是沿袭的动态模型沿袭了大语言模型——对整张图片做全局信息映射。
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