GGUF Format Deep Dive

Why it matters

GGUF dominates local LLM. Understanding shapes local ops.

The architecture

File format: metadata + tensors.

k-quant: k-block-based grouping.

Multiple bit levels.

How it works end to end

llama.cpp: reference impl.

K-quants: mixed bit within block.

Q4_K_M, Q5_K_M common defaults.

Convert from HF format.