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AppsImage and Video 23 Aug 2026 reddit

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

The brief

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.

Key points

  1. Tests on an RTX 5060 Ti 16GB confirmed the speedup at 864x1536 resolution with comparable output quality.
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