Where does the cache actually break? Wan2.1-T2V-14B, 1280x720, 81 frames, 50 steps,
unipc, shift 5.0, seed 42, one prompt, single H100, SDPA (no flash-attn). This is the
baseline curve for a different question than the usual one: not "how close to the
reference at 2x" but "what does 4x look like, and does it fail gradually or fall off
a cliff".
No quality judgement is offered here. The videos are named by… See the full description on the dataset page:
https://huggingface.co/datasets/yitongl/wan21-seacache-extreme-sweep.
