ComfyUI new attention backend comfy-kitchen speeds up, suggests disabling Sage Attention etc.
Diabolicor · reddit · 2026-08-11
ComfyUI merged an attention optimization patch from comfy-kitchen, claimed to be faster than existing Sage Attention, Minimax Mem Eff Sage Attention, or Sol Attention. Developers suggest disabling these old backends and enabling the new one via --use-ck-attention flag or ModelAttentionBackend node. Initial tests on Minimax show better performance than all existing solutions.
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