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Add ExponentialScheduler and PolyexponentialScheduler nodes.

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comfyanonymous 2023-09-29 09:05:30 -04:00
parent 0f17993d05
commit 213976f8c3
1 changed files with 39 additions and 0 deletions
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39
comfy_extras/nodes_custom_sampler.py
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@ -43,6 +43,43 @@ class KarrasScheduler:
sigmas = k_diffusion_sampling.get_sigmas_karras(n=steps, sigma_min=sigma_min, sigma_max=sigma_max, rho=rho) sigmas = k_diffusion_sampling.get_sigmas_karras(n=steps, sigma_min=sigma_min, sigma_max=sigma_max, rho=rho)
return (sigmas, ) return (sigmas, )
class ExponentialScheduler:
@classmethod
def INPUT_TYPES(s):
return {"required":
{"steps": ("INT", {"default": 20, "min": 1, "max": 10000}),
"sigma_max": ("FLOAT", {"default": 14.614642, "min": 0.0, "max": 1000.0, "step":0.01, "round": False}),
"sigma_min": ("FLOAT", {"default": 0.0291675, "min": 0.0, "max": 1000.0, "step":0.01, "round": False}),
}
}
RETURN_TYPES = ("SIGMAS",)
CATEGORY = "_for_testing/custom_sampling"
FUNCTION = "get_sigmas"
def get_sigmas(self, steps, sigma_max, sigma_min):
sigmas = k_diffusion_sampling.get_sigmas_exponential(n=steps, sigma_min=sigma_min, sigma_max=sigma_max)
return (sigmas, )
class PolyexponentialScheduler:
@classmethod
def INPUT_TYPES(s):
return {"required":
{"steps": ("INT", {"default": 20, "min": 1, "max": 10000}),
"sigma_max": ("FLOAT", {"default": 14.614642, "min": 0.0, "max": 1000.0, "step":0.01, "round": False}),
"sigma_min": ("FLOAT", {"default": 0.0291675, "min": 0.0, "max": 1000.0, "step":0.01, "round": False}),
"rho": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 100.0, "step":0.01, "round": False}),
}
}
RETURN_TYPES = ("SIGMAS",)
CATEGORY = "_for_testing/custom_sampling"
FUNCTION = "get_sigmas"
def get_sigmas(self, steps, sigma_max, sigma_min, rho):
sigmas = k_diffusion_sampling.get_sigmas_polyexponential(n=steps, sigma_min=sigma_min, sigma_max=sigma_max, rho=rho)
return (sigmas, )
class SplitSigmas: class SplitSigmas:
@classmethod @classmethod
def INPUT_TYPES(s): def INPUT_TYPES(s):
@ -155,6 +192,8 @@ class SamplerCustom:
NODE_CLASS_MAPPINGS = { NODE_CLASS_MAPPINGS = {
"SamplerCustom": SamplerCustom, "SamplerCustom": SamplerCustom,
"KarrasScheduler": KarrasScheduler, "KarrasScheduler": KarrasScheduler,
"ExponentialScheduler": ExponentialScheduler,
"PolyexponentialScheduler": PolyexponentialScheduler,
"KSamplerSelect": KSamplerSelect, "KSamplerSelect": KSamplerSelect,
"SamplerDPMPP_2M_SDE": SamplerDPMPP_2M_SDE, "SamplerDPMPP_2M_SDE": SamplerDPMPP_2M_SDE,
"BasicScheduler": BasicScheduler, "BasicScheduler": BasicScheduler,