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Sparse attention for MiniMax H3: up to 2.5x speed increase

TLDR

A ComfyUI node pack update adds sparse attention (SLA) support for MiniMax H3 video generation, providing up to 2.5x speed improvement on the same hardware. Tests on an RTX 5060 Ti 16GB confirmed the speedup at 864x1536 resolution with comparable output quality.

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Source: reddit · Category: Image and Video · Summary is machine-generated; verify against the original.

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