Porting Sana Cache Boosts MiniMax H3 Video Generation Speed by 1.39x
CeFurkan · reddit · 2026-08-06
A developer has successfully implemented Sol-Attn and Cross-Step Cache from NVIDIA's official Sana repository to accelerate the MiniMax H3 model.
Benchmark results show a 1.39x end-to-end speedup compared to Sage Attention 2.8.3 at 1344x768 resolution and 20 steps, with almost no quality degradation. The test covers the entire input-to-output pipeline, processing 362 frames (15 seconds of video).
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