llm-generated-code

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A proof-of-concept project exploring LLM-driven code generation by having Claude write an entire application stack directly in LLVM intermediate representation rather than high-level languages or binaries.

Claude LLVM
github.com · dboreham · 2 days ago · details · hn
0 7/10

A detailed technical analysis of an LLM-generated SQLite reimplementation in Rust that demonstrates critical performance failures (~20,000x slower) despite appearing correct. The article identifies two root-cause bugs: a missing INTEGER PRIMARY KEY optimization that forces full table scans instead of O(log n) B-tree lookups, and unnecessary fsync calls on every statement, alongside compound inefficiencies in AST caching and memory allocation patterns.

SQLite Rust Turso libsql METR GitClear Fjall
blog.katanaquant.com · dnw · 8 days ago · details · hn