How-ToVisual AIAugust 4, 2026

ComfyUI CUDA 13 update unlocks INT8 speedup for MiniMax H3

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A r/StableDiffusion tip reports that enabling ComfyUI's real INT8 ConvRot via a CUDA 13 (cu130+) update dramatically speeds up MiniMax H3 video generation. The poster notes many users still run without INT8, leaving generation 'extremely slow' even on a 5-second, 2-reference image setup.

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