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support --flow-shift for flux models with default pred #913

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Merged
leejet merged 1 commit into from
Oct 23, 2025
Merged

support --flow-shift for flux models with default pred #913

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13 changes: 8 additions & 5 deletions stable-diffusion.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -761,11 +761,14 @@ class StableDiffusionGGML {
denoiser = std::make_shared<DiscreteFlowDenoiser>(shift);
} else if (sd_version_is_flux(version)) {
LOG_INFO("running in Flux FLOW mode");
float shift = 1.0f; // TODO: validate
for (auto pair : model_loader.tensor_storages_types) {
if (pair.first.find("model.diffusion_model.guidance_in.in_layer.weight") != std::string::npos) {
shift = 1.15f;
break;
float shift = sd_ctx_params->flow_shift;
if (shift == INFINITY) {
shift = 1.0f; // TODO: validate
for (auto pair : model_loader.tensor_storages_types) {
if (pair.first.find("model.diffusion_model.guidance_in.in_layer.weight") != std::string::npos) {
shift = 1.15f;
break;
}
}
}
denoiser = std::make_shared<FluxFlowDenoiser>(shift);
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