Comfy Kitchen Attention Speeds Up MiniMax H3 on AMD GPUs

God_Hand_9764 · reddit · 2026-08-16

Users with AMD GPUs (e.g., RX 7800 XT) experiencing slow generation times with MiniMax H3 found significant speedups by enabling Comfy Kitchen Attention (startup flag --use-ck-attention). While Sage Attention works well for NVIDIA, the Comfy Kitchen method reduced generation time for a 5-second clip from 60 minutes to 25 minutes on AMD hardware.

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