👋 Hi, all!

I am Shichao Song, a third-year PhD student. My current research focuses on foundation models. I blog about my research and life.
The Ouroboros Process (by [Google Gemini](https://gemini.google.com/))

Product Requirements Document of Ouroboros

An agentic DOM workspace where an LLM has full read/write/delete privileges over its own source code and visual interface.

 · 6 min · 1117 words · Shichao Song
The Great Decoupling (by [Google Gemini](https://gemini.google.com/))

Everything is Fleeting: A Roadmap to the Post-Labor AI Economy

A speculative roadmap of how AI will dismantle the labor market and what comes after.

 · 12 min · 2511 words · Shichao Song
快速的 AI 时代和温暖的人心([Google Gemini](https://gemini.google.com/) 生成)

我目前知道的

关于 AI 和人的一个简单技术人文讨论

 · Updated:  · 3 min · 1296 words · Shichao Song
Diagram of the probability transition process in speculative sampling.

How is the Speculative Decoding Algorithm Constructed?

A simple mathematical derivation of the algorithm construction process from the paper “Fast Inference from Transformers via Speculative Decoding”.

 · Updated:  · 5 min · 884 words · Shichao Song
Diagram of the basic principle of diffusion models, showing recovery of an image from noise. Generated by [Google Nano Banana (gemini-2.5-flash-image-preview)](https://www.nano-banana.ai/)

Fully Annotated Guide to "What are Diffusion Models?"

Diffusion models are the de facto standard for image generation. Lilian Weng’s “What Are Diffusion Models?” is an excellent introduction to it, but readers without a solid mathematical background may struggle. This article fills that gap with clear, step‑by‑step derivations and explanations.

 · 74 min · 15730 words · Shichao Song