From 37e048a7e2356f4caebfd976351112f03856f082 Mon Sep 17 00:00:00 2001 From: lambertae Date: Tue, 18 Jul 2023 00:55:02 -0400 Subject: [PATCH] fix floating error --- modules/sd_samplers_kdiffusion.py | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/modules/sd_samplers_kdiffusion.py b/modules/sd_samplers_kdiffusion.py index 7888d864c..1bb25adf3 100644 --- a/modules/sd_samplers_kdiffusion.py +++ b/modules/sd_samplers_kdiffusion.py @@ -89,11 +89,12 @@ def restart_sampler(model, x, sigmas, extra_args=None, callback=None, disable=No restart_steps, restart_times, restart_max = restart_list[i + 1] min_idx = i + 1 max_idx = int(torch.argmin(abs(sigmas - restart_max), dim=0)) - sigma_restart = get_sigmas_karras(restart_steps, sigmas[min_idx], sigmas[max_idx], device=sigmas.device)[:-1] # remove the zero at the end - for times in range(restart_times): - x = x + torch.randn_like(x) * s_noise * (sigmas[max_idx] ** 2 - sigmas[min_idx] ** 2) ** 0.5 - for (old_sigma, new_sigma) in zip(sigma_restart[:-1], sigma_restart[1:]): - x = heun_step(x, old_sigma, new_sigma) + if max_idx < min_idx: + sigma_restart = get_sigmas_karras(restart_steps, sigmas[min_idx], sigmas[max_idx], device=sigmas.device)[:-1] # remove the zero at the end + for times in range(restart_times): + x = x + torch.randn_like(x) * s_noise * (sigmas[max_idx] ** 2 - sigmas[min_idx] ** 2) ** 0.5 + for (old_sigma, new_sigma) in zip(sigma_restart[:-1], sigma_restart[1:]): + x = heun_step(x, old_sigma, new_sigma) return x samplers_data_k_diffusion = [