remove guidance_scale

Author: zRzRzRzRzRzRzR

examples/cogview4-control/train_control_cogview4.py

@@ -1100,7 +1100,7 @@ def load_model_hook(models, input_dir):
                     crop_coords=crops_coords_top_left,
                     return_dict=False,
                 )[0]
-                model_pred = noise_pred_uncond + args.guidance_scale * (noise_pred_cond - noise_pred_uncond)
+                model_pred = noise_pred_uncond + (noise_pred_cond - noise_pred_uncond)
                 # these weighting schemes use a uniform timestep sampling
                 # and instead post-weight the loss
                 weighting = compute_loss_weighting_for_sd3(weighting_scheme=args.weighting_scheme, sigmas=sigmas)

scripts/convert_cogview4_to_diffusers.py

@@ -210,6 +210,7 @@ def main(args):
             "norm_num_groups": 32,
             "sample_size": 1024,
             "scaling_factor": 1.0,
+            "shift_factor": 0.0,
             "force_upcast": True,
             "use_quant_conv": False,
             "use_post_quant_conv": False,