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.
First FT: the day’s biggest stories
。关于这个话题，91视频提供了深入分析
Германия — Бундеслига|24-й тур
아즈두팔은 별도의 서버 침입이나 무차별 공격 없이 자신의 기기 인증 토큰을 활용했을 뿐이라고 주장했다. 그러나 서버 측 권한 검증 구조에 취약점이 있어 다른 사용자 기기의 데이터 흐름까지 확인 가능한 구조였다고 설명했다.
价格的合理性也是一大质疑点。抖音电商数据显示，2024年以来，AI玩具行业的毛利率约70-80%，个别甚至超过90%。根据头部AI玩具供货商向媒体透露，核心机芯的成本可以被压至50元以下，加上显示屏成本在80元左右，而定价则在成百上千元不等。