PolyexponentialScheduler - ComfyUI Built-in Node Documentation - ComfyUI

The PolyexponentialScheduler node is designed to generate a sequence of noise levels (sigmas) based on a polyexponential noise schedule. This schedule is a polynomial function in the logarithm of sigma, allowing for a flexible and customizable progression of noise levels throughout the diffusion process.

Inputs

Parameter	Description	Data Type
`steps`	Specifies the number of steps in the diffusion process, affecting the granularity of the generated noise levels.	INT
`sigma_max`	The maximum noise level, setting the upper bound of the noise schedule.	FLOAT
`sigma_min`	The minimum noise level, setting the lower bound of the noise schedule.	FLOAT
`rho`	A parameter that controls the shape of the polyexponential noise schedule, influencing how noise levels progress between the minimum and maximum values.	FLOAT

Outputs

Parameter	Description	Data Type
`sigmas`	The output is a sequence of noise levels (sigmas) tailored to the specified polyexponential noise schedule.	SIGMAS

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