What is DDPM vs DDIM? Why does it exist? Where does it appear in Diffusion Models?
Draw or describe a visual model of DDPM vs DDIM. What does it look like conceptually?
How is DDPM vs DDIM different from related concepts in Diffusion Models? What are the trade-offs?
Explain DDPM vs DDIM in plain language using an analogy. Could a non-expert follow it?