This month, OpenAI announced their Codex app and my coworkers were asking questions. So I downloaded it, and as a test case for the GPT-5.2-Codex (high) model, I asked it to reimplement the UMAP algorithm in Rust. UMAP is a dimensionality reduction technique that can take in a high-dimensional matrix of data and simultaneously cluster and visualize data in lower dimensions. However, it is a very computationally-intensive algorithm and the only tool that can do it quickly is NVIDIA’s cuML which requires CUDA dependency hell. If I can create a UMAP package in Rust that’s superfast with minimal dependencies, that is an massive productivity gain for the type of work I do and can enable fun applications if fast enough.
2025年12月10日，德国伯曼集团全资子公司伯曼企业管理（太仓）有限公司的崭新车间正式启用。这一总投资1亿欧元的项目，从签约到开工仅用了115天。伯曼中国首席财务官黄晓桦说，太仓政府团队为企业制定了时间表，精确到“每个半天需要做什么”，这种严谨态度与细致规划，与德国企业的发展理念高度契合。
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粘着テープを剥がすときの「ピーッ」という音は音速超えの衝撃波によって引き起こされていることが判明