ComfyUI's KSampler ignores denoise for step count — webui migrants hit workflow gotcha
fabie_flower · reddit · 2026-10-24
A user migrating from webui to ComfyUI noticed that the KSampler node always runs all steps regardless of the denoise setting, unlike the expected behavior of scaling steps by denoise; manually setting steps to (original steps × denoise) matches expectations.
The thread asks whether that multiplication is the correct calculation or something more complex is needed, and cites the ComfyUI-Actual-Denoise custom node project (which sets the actual noise amount in img2img for scheduler-consistent behavior). A typical workflow-migration gotcha discussion.
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