The "Normsky" architecture for AI coding agents — with Beyang Liu + Steve Yegge of SourceGraph

Latent Space · Beginner ·🧠 Large Language Models ·2y ago
RAG has emerged as one of the key pieces of the AI Engineer stack. Jerry from LlamaIndex called it a “hack”, Bryan from Hex compared it to “a recommendation system from LLMs”, and even LangChain started with it. RAG is crucial in any AI coding workflow. We talked about context quality for code in our Phind episode. Today’s guests, Beyang Liu and Steve Yegge from SourceGraph, have been focused on code indexing and retrieval for over 15 years. We locked them in our new studio to record a 1.5 hours masterclass on the history of code search, retrieval interfaces for code, and how they get SOTA 30…
Watch on YouTube ↗ (saves to browser)

Chapters (15)

Intros & Backgrounds
6:20 How Steve's work on Grok inspired SourceGraph for Beyang
8:53 From code search to AI coding assistant
13:18 Comparison of coding assistants and the capabilities of Cody
16:49 The importance of context (RAG) in AI coding tools
20:33 The debate between Chomsky and Norvig approaches in AI
25:02 Code completion vs Agents as the UX
30:06 Normsky: the Norvig + Chomsky models collision
36:00 How to build the right context for coding
42:00 The death of the DSL?
46:15 LSP, Skip, Kythe, BFG, and all that fun stuff
1:02:00 The SourceGraph internal stack
1:08:46 Building on open source models
1:14:35 SourceGraph for engineering managers?
1:26:00 Lightning Round

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