the essay archive · du xiang

the essay archive

Everything, grouped by year. The dates run a little ahead of the calendar in places; the archive does not judge, and neither should you. Subscribe to the feed and never check this page again.

2026

jun 10 On Feeling Weak · 关于无力感 · personal · bilingual · 7 min
feb 9 Agent Teams vs Sub-Agents: Multi-Agent Architectures for LLMs · ai agents, architecture · 18 min
feb 4 Skills vs MCP: Tool Architecture for AI Agents · mcp, ai agents · 14 min

2025

aug 7 Context Engineering: Building Intelligent Memory Systems · memory, ai agents · 16 min

2024

sep 20 Scaling SEO & GEO Content with LLMs · seo, content · 15 min
jun 10 Real-Time Personalized Quick Suggest with WebSockets · faiss, websockets · 15 min
mar 15 Hot-Swappable LoRA: Serving 16 Models on One GPU · mlops, vllm · 15 min

2023

dec 28 Latent Reasoning: Teaching Small LLMs to Think Without Thinking · fine-tuning, ml systems · 12 min

elsewhere

2021 Lipstick Recommendation · data science · off-site, in chinese · 8 min
2020 Earthquake Analysis · visualization · off-site, in chinese · 6 min

nine essays in four years. quality over quantity, or so i tell my feed reader.