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Add inverse noise scaling function.

pull/3069/merge
comfyanonymous 8 months ago
parent
commit
0624838237
  1. 3
      comfy/model_sampling.py
  2. 1
      comfy/samplers.py

3
comfy/model_sampling.py

@ -20,6 +20,9 @@ class EPS:
noise += latent_image noise += latent_image
return noise return noise
def inverse_noise_scaling(self, sigma, latent):
return latent
class V_PREDICTION(EPS): class V_PREDICTION(EPS):
def calculate_denoised(self, sigma, model_output, model_input): def calculate_denoised(self, sigma, model_output, model_input):
sigma = sigma.view(sigma.shape[:1] + (1,) * (model_output.ndim - 1)) sigma = sigma.view(sigma.shape[:1] + (1,) * (model_output.ndim - 1))

1
comfy/samplers.py

@ -546,6 +546,7 @@ class KSAMPLER(Sampler):
k_callback = lambda x: callback(x["i"], x["denoised"], x["x"], total_steps) k_callback = lambda x: callback(x["i"], x["denoised"], x["x"], total_steps)
samples = self.sampler_function(model_k, noise, sigmas, extra_args=extra_args, callback=k_callback, disable=disable_pbar, **self.extra_options) samples = self.sampler_function(model_k, noise, sigmas, extra_args=extra_args, callback=k_callback, disable=disable_pbar, **self.extra_options)
samples = model_wrap.inner_model.model_sampling.inverse_noise_scaling(sigmas[-1], samples)
return samples return samples

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