arstechnica.com
At the heart of BuildKit is LLB (Low-Level Build definition). Think of it as the LLVM IR of build systems. LLB is a binary protocol (protobuf) that describes a DAG of filesystem operations: run a command, copy files, mount a filesystem. It’s content-addressable, which means identical operations produce identical hashes, enabling aggressive caching.，推荐阅读爱思助手下载最新版本获取更多信息
，这一点在safew官方版本下载中也有详细论述
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「我展現了巔峰滑雪水準，完成前所未見的壯舉，這已然足夠出色。但還是要感謝大家。」，详情可参考快连下载安装