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刚刚过去的 2025 年，三星过得并不算轻松。自家造内存的 DS 部门因为涨价，给造手机的 MX 部门「断供」了一波，硬生生把今年 Galaxy S26 系列的发布会拖到了 2 月 25 日。
Author(s): Jean-Michel Bergheau, Jean-Baptiste Leblond
After OpenAI released GPT-5.3-Codex (high) which performed substantially better and faster at these types of tasks than GPT-5.2-Codex, I asked Codex to write a UMAP implementation from scratch in Rust, which at a glance seemed to work and gave reasonable results. I also instructed it to create benchmarks that test a wide variety of representative input matrix sizes. Rust has a popular benchmarking crate in criterion, which outputs the benchmark results in an easy-to-read format, which, most importantly, agents can easily parse.