diff --git a/modules/sd_samplers.py b/modules/sd_samplers.py index 2e1f77153..8d6eb7620 100644 --- a/modules/sd_samplers.py +++ b/modules/sd_samplers.py @@ -26,6 +26,17 @@ samplers_k_diffusion = [ ('DPM adaptive', 'sample_dpm_adaptive', ['k_dpm_ad']), ] +if opts.show_karras_scheduler_variants: + k_diffusion.sampling.sample_dpm_2_ka = k_diffusion.sampling.sample_dpm_2 + k_diffusion.sampling.sample_dpm_2_ancestral_ka = k_diffusion.sampling.sample_dpm_2_ancestral + k_diffusion.sampling.sample_lms_ka = k_diffusion.sampling.sample_lms + samplers_k_diffusion_ka = [ + ('LMS K Scheduling', 'sample_lms_ka', ['k_lms_ka']), + ('DPM2 K Scheduling', 'sample_dpm_2_ka', ['k_dpm_2_ka']), + ('DPM2 a K Scheduling', 'sample_dpm_2_ancestral_ka', ['k_dpm_2_a_ka']), + ] + samplers_k_diffusion.extend(samplers_k_diffusion_ka) + samplers_data_k_diffusion = [ SamplerData(label, lambda model, funcname=funcname: KDiffusionSampler(funcname, model), aliases) for label, funcname, aliases in samplers_k_diffusion @@ -345,6 +356,8 @@ class KDiffusionSampler: if p.sampler_noise_scheduler_override: sigmas = p.sampler_noise_scheduler_override(steps) + elif self.funcname.endswith('ka'): + sigmas = k_diffusion.sampling.get_sigmas_karras(n=steps, sigma_min=0.1, sigma_max=10, device=shared.device) else: sigmas = self.model_wrap.get_sigmas(steps) x = x * sigmas[0]