git/stable-diffusion.cpp
1
0
Fork 0
mirror of https://github.com/leejet/stable-diffusion.cpp synced 2026-04-21 22:32:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

fix: correct dpm++2s_a second model call (#1435)

Browse Source
This commit is contained in:
Wagner Bruna 2026-04-18 03:54:41 -03:00 committed by GitHub
parent a564fdf642
commit 2bcff67480
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/denoiser.hpp
View File

@ -953,8 +953,9 @@ static sd::Tensor<float> sample_dpmpp_2s_ancestral(denoise_cb_t model,
float t_next = t_fn(sigma_down);
float h = t_next - t;
float s = t + 0.5f * h;
sd::Tensor<float> x2 = (sigma_fn(s) / sigma_fn(t)) * x - (exp(-h * 0.5f) - 1) * denoised;
auto denoised2_opt = model(x2, sigmas[i + 1], i + 1);
float sigma_s = sigma_fn(s);
sd::Tensor<float> x2 = (sigma_s / sigma_fn(t)) * x - (exp(-h * 0.5f) - 1) * denoised;
auto denoised2_opt = model(x2, sigma_s, i + 1);
if (denoised2_opt.empty()) {
return {};
}