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b34c6c3 | 1 2 3 4 5 6 7 8 9 | """Cache-method ports for the HY-WorldPlay (HunyuanVideo-1.5 AR, 4-step distilled) base.
Same experiment as ``cachelib`` on Self-Forcing / Causal-Forcing, on a different
DiT: 54 double-stream blocks whose vision path attends to cached text K/V and
cached history-vision K/V. Denoising forwards never write the KV cache
(``cache_vision=False``); the per-chunk context pass does. So a cached step can
skip the whole block stack without leaving stale cache entries behind.
"""
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