AIWalker

Feb 25, 2025 · Artificial Intelligence

Sliding Tile Attention speeds up HunyuanVideo DiT generation 3.5×

Sliding Tile Attention (STA) replaces costly full‑3D attention in video DiT models with a block‑wise sliding‑window scheme, achieving up to 10× attention speedup and a 3.53× end‑to‑end generation boost for HunyuanVideo without quality loss, as demonstrated by extensive benchmarks and kernel analyses.