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Fix Karras scheduler doesn't start from the actual max to min #4373

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Fix Karras scheduler doesn't start from the actual max to min #4373

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4 changes: 2 additions & 2 deletions modules/sd_samplers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -419,7 +419,7 @@ def sample_img2img(self, p, x, noise, conditioning, unconditional_conditioning,
if p.sampler_noise_scheduler_override:
sigmas = p.sampler_noise_scheduler_override(steps)
elif self.config is not None and self.config.options.get('scheduler', None) == 'karras':
sigmas = k_diffusion.sampling.get_sigmas_karras(n=steps, sigma_min=0.1, sigma_max=10, device=shared.device)
sigmas = k_diffusion.sampling.get_sigmas_karras(n=steps, sigma_min=0.03, sigma_max=14.5, device=shared.device)
else:
sigmas = self.model_wrap.get_sigmas(steps)

Expand Down Expand Up @@ -457,7 +457,7 @@ def sample(self, p, x, conditioning, unconditional_conditioning, steps=None, ima
if p.sampler_noise_scheduler_override:
sigmas = p.sampler_noise_scheduler_override(steps)
elif self.config is not None and self.config.options.get('scheduler', None) == 'karras':
sigmas = k_diffusion.sampling.get_sigmas_karras(n=steps, sigma_min=0.1, sigma_max=10, device=shared.device)
sigmas = k_diffusion.sampling.get_sigmas_karras(n=steps, sigma_min=0.03, sigma_max=14.5, device=shared.device)
else:
sigmas = self.model_wrap.get_sigmas(steps)

Expand Down