Fix the issue on sd3 dreambooth w./w.t. lora training (#9419)

* Fix dtype error

* [bugfix] Fixed the issue on sd3 dreambooth training

* [bugfix] Fixed the issue on sd3 dreambooth training

---------
Co-authored-by: 蒋硕 <jiangshuo9@h-partners.com>
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

examples/dreambooth/train_dreambooth_flux.py

@@ -154,13 +154,14 @@ def log_validation(
     accelerator,
     pipeline_args,
     epoch,
+    torch_dtype,
     is_final_validation=False,
 ):
     logger.info(
         f"Running validation... \n Generating {args.num_validation_images} images with prompt:"
         f" {args.validation_prompt}."
     )
-    pipeline = pipeline.to(accelerator.device)
+    pipeline = pipeline.to(accelerator.device, dtype=torch_dtype)
     pipeline.set_progress_bar_config(disable=True)
 
     # run inference
@@ -1717,6 +1718,7 @@ def main(args):
                     accelerator=accelerator,
                     pipeline_args=pipeline_args,
                     epoch=epoch,
+                    torch_dtype=weight_dtype,
                 )
                 if not args.train_text_encoder:
                     del text_encoder_one, text_encoder_two
@@ -1761,6 +1763,7 @@ def main(args):
                 pipeline_args=pipeline_args,
                 epoch=epoch,
                 is_final_validation=True,
+                torch_dtype=weight_dtype,
             )
 
         if args.push_to_hub:

examples/dreambooth/train_dreambooth_lora.py

@@ -122,6 +122,7 @@ def log_validation(
     accelerator,
     pipeline_args,
     epoch,
+    torch_dtype,
     is_final_validation=False,
 ):
     logger.info(
@@ -141,7 +142,7 @@ def log_validation(
 
     pipeline.scheduler = DPMSolverMultistepScheduler.from_config(pipeline.scheduler.config, **scheduler_args)
 
-    pipeline = pipeline.to(accelerator.device)
+    pipeline = pipeline.to(accelerator.device, dtype=torch_dtype)
     pipeline.set_progress_bar_config(disable=True)
 
     # run inference
@@ -1360,6 +1361,7 @@ def main(args):
                     accelerator,
                     pipeline_args,
                     epoch,
+                    torch_dtype=weight_dtype,
                 )
 
     # Save the lora layers
@@ -1402,6 +1404,7 @@ def main(args):
                 pipeline_args,
                 epoch,
                 is_final_validation=True,
+                torch_dtype=weight_dtype,
             )
 
         if args.push_to_hub:

examples/dreambooth/train_dreambooth_lora_flux.py

@@ -170,13 +170,14 @@ def log_validation(
     accelerator,
     pipeline_args,
     epoch,
+    torch_dtype,
     is_final_validation=False,
 ):
     logger.info(
         f"Running validation... \n Generating {args.num_validation_images} images with prompt:"
         f" {args.validation_prompt}."
     )
-    pipeline = pipeline.to(accelerator.device)
+    pipeline = pipeline.to(accelerator.device, dtype=torch_dtype)
     pipeline.set_progress_bar_config(disable=True)
 
     # run inference
@@ -1785,6 +1786,7 @@ def main(args):
                     accelerator=accelerator,
                     pipeline_args=pipeline_args,
                     epoch=epoch,
+                    torch_dtype=weight_dtype,
                 )
                 if not args.train_text_encoder:
                     del text_encoder_one, text_encoder_two
@@ -1832,6 +1834,7 @@ def main(args):
                 pipeline_args=pipeline_args,
                 epoch=epoch,
                 is_final_validation=True,
+                torch_dtype=weight_dtype,
             )
 
         if args.push_to_hub:

examples/dreambooth/train_dreambooth_lora_sd3.py

@@ -179,13 +179,14 @@ def log_validation(
     accelerator,
     pipeline_args,
     epoch,
+    torch_dtype,
     is_final_validation=False,
 ):
     logger.info(
         f"Running validation... \n Generating {args.num_validation_images} images with prompt:"
         f" {args.validation_prompt}."
     )
-    pipeline = pipeline.to(accelerator.device)
+    pipeline = pipeline.to(accelerator.device, dtype=torch_dtype)
     pipeline.set_progress_bar_config(disable=True)
 
     # run inference
@@ -1788,6 +1789,7 @@ def main(args):
                     accelerator=accelerator,
                     pipeline_args=pipeline_args,
                     epoch=epoch,
+                    torch_dtype=weight_dtype,
                 )
                 objs = []
                 if not args.train_text_encoder:
@@ -1840,6 +1842,7 @@ def main(args):
                 pipeline_args=pipeline_args,
                 epoch=epoch,
                 is_final_validation=True,
+                torch_dtype=weight_dtype,
             )
 
         if args.push_to_hub:

examples/dreambooth/train_dreambooth_lora_sdxl.py

@@ -180,6 +180,7 @@ def log_validation(
     accelerator,
     pipeline_args,
     epoch,
+    torch_dtype,
     is_final_validation=False,
 ):
     logger.info(
@@ -201,7 +202,7 @@ def log_validation(
 
         pipeline.scheduler = DPMSolverMultistepScheduler.from_config(pipeline.scheduler.config, **scheduler_args)
 
-    pipeline = pipeline.to(accelerator.device)
+    pipeline = pipeline.to(accelerator.device, dtype=torch_dtype)
     pipeline.set_progress_bar_config(disable=True)
 
     # run inference
@@ -1890,6 +1891,7 @@ def main(args):
                     accelerator,
                     pipeline_args,
                     epoch,
+                    torch_dtype=weight_dtype,
                 )
 
     # Save the lora layers
@@ -1955,6 +1957,7 @@ def main(args):
                 pipeline_args,
                 epoch,
                 is_final_validation=True,
+                torch_dtype=weight_dtype,
             )
 
         if args.push_to_hub:

examples/dreambooth/train_dreambooth_sd3.py

@@ -157,13 +157,14 @@ def log_validation(
     accelerator,
     pipeline_args,
     epoch,
+    torch_dtype,
     is_final_validation=False,
 ):
     logger.info(
         f"Running validation... \n Generating {args.num_validation_images} images with prompt:"
         f" {args.validation_prompt}."
     )
-    pipeline = pipeline.to(accelerator.device)
+    pipeline = pipeline.to(accelerator.device, dtype=torch_dtype)
     pipeline.set_progress_bar_config(disable=True)
 
     # run inference
@@ -1725,6 +1726,7 @@ def main(args):
                     accelerator=accelerator,
                     pipeline_args=pipeline_args,
                     epoch=epoch,
+                    torch_dtype=weight_dtype,
                 )
                 if not args.train_text_encoder:
                     del text_encoder_one, text_encoder_two, text_encoder_three
@@ -1775,6 +1777,7 @@ def main(args):
                 pipeline_args=pipeline_args,
                 epoch=epoch,
                 is_final_validation=True,
+                torch_dtype=weight_dtype,
             )
 
         if args.push_to_hub: