Transformer:一个 Token 的生命
本文深入剖析了 Transformer 架构中一个 token 从输入到输出的完整生命周期。作者以清晰直观的方式,逐步拆解 token 如何经过嵌入层、多头自注意力机制、前馈网络以及残差连接等核心模块,最终生成上下文相关的表示。文章适合对深度学习有一定了解的读者,帮助理解 Transformer 内部运作的细节。
本文深入剖析了 Transformer 架构中一个 token 从输入到输出的完整生命周期。作者以清晰直观的方式,逐步拆解 token 如何经过嵌入层、多头自注意力机制、前馈网络以及残差连接等核心模块,最终生成上下文相关的表示。文章适合对深度学习有一定了解的读者,帮助理解 Transformer 内部运作的细节。
A state-designed worm from 2005 called Fast16 sat undetected on VirusTotal for nearly a decade. It intercepted executable files at the kernel level and silently altered floating-point calculations in high-precision engineering software like LS-DYNA, which was used in Iran's nuclear weapons research. Unlike Stuxnet, Fast16 received little public attention for over twenty years.
Paul Graham reports that Y Combinator startups now have over 75% of their code written by AI, a threshold crossed at least one to two years ago. This parallels a similar transformation at Google, where AI-written code went from 0% to 75% in about two years.
Scientists are increasingly concerned about the potential collapse of the Atlantic Meridional Overturning Circulation (AMOC), a critical ocean current system. Such a collapse could have severe consequences for North America and Europe.
A compromised version of the LiteLLM Python package (version 1.82.8) was briefly available on PyPI, capable of exfiltrating sensitive credentials like SSH keys and cloud secrets. The malicious package affected any project that depended on LiteLLM, though it was only available for about an hour before discovery.
A supply chain attack has compromised the popular npm axios HTTP client library with 300 million weekly downloads. Malicious versions install a remote access trojan, though some users may have avoided infection through version pinning or older installations. Security experts warn this is a live compromise affecting one of npm's most depended-on packages.