fix cpu_offload_checkpointing

nodes.py

@@ -88,7 +88,6 @@ class TrainDatasetGeneralConfig:
             },
             "optional": {
                 "reset_on_queue": ("BOOLEAN",{"default": False, "tooltip": "Force refresh of everything for cleaner queueing"}),
-                "reg_data_dir": ("STRING",{"multiline": True, "forceInput": True, "default": "", "tooltip": "reg data dir"}),
             }
         }
 
@@ -97,7 +96,7 @@ class TrainDatasetGeneralConfig:
     FUNCTION = "create_config"
     CATEGORY = "FluxTrainer"
 
-    def create_config(self, shuffle_caption, caption_dropout_rate, color_aug, flip_aug, alpha_mask, reset_on_queue=False, reg_data_dir=""):
+    def create_config(self, shuffle_caption, caption_dropout_rate, color_aug, flip_aug, alpha_mask, reset_on_queue=False):
         
         dataset = {
            "general": {
@@ -114,11 +113,37 @@ class TrainDatasetGeneralConfig:
         #print(dataset_json)
         dataset_config = {
             "datasets": dataset_json,
-            "alpha_mask": alpha_mask,
-            "reg_data_dir": reg_data_dir
+            "alpha_mask": alpha_mask
         }
         return (dataset_config,)
 
+class TrainDatasetRegularization:
+        
+    @classmethod
+    def INPUT_TYPES(s):
+        return {"required": {
+            "dataset_path": ("STRING",{"multiline": True, "default": "", "tooltip": "path to dataset, root is the 'ComfyUI' folder, with windows portable 'ComfyUI_windows_portable'"}),
+            "class_tokens": ("STRING",{"multiline": True, "default": "", "tooltip": "aka trigger word, if specified, will be added to the start of each caption, if no captions exist, will be used on it's own"}),
+            "num_repeats": ("INT", {"default": 1, "min": 1, "tooltip": "number of times to repeat dataset for an epoch"}),
+            },
+        }
+
+    RETURN_TYPES = ("JSON",)
+    RETURN_NAMES = ("subset",)
+    FUNCTION = "create_config"
+    CATEGORY = "FluxTrainer"
+
+    def create_config(self, dataset_path, class_tokens, num_repeats):
+        
+        reg_subset = {
+                    "image_dir": dataset_path,
+                    "class_tokens": class_tokens,
+                    "num_repeats": num_repeats,
+                    "is_reg": True
+                }
+       
+        return reg_subset,
+    
 class TrainDatasetAdd:
     def __init__(self):
         self.previous_dataset_signature = None
@@ -138,6 +163,9 @@ class TrainDatasetAdd:
             "min_bucket_reso": ("INT", {"default": 256, "min": 64, "max": 4096, "step": 8, "tooltip": "min bucket resolution"}),
             "max_bucket_reso": ("INT", {"default": 1024, "min": 64, "max": 4096, "step": 8, "tooltip": "max bucket resolution"}),
             },
+            "optional": {
+                 "regularization": ("JSON", {"tooltip": "reg data dir"}),
+            }
         }
 
     RETURN_TYPES = ("JSON",)
@@ -146,7 +174,7 @@ class TrainDatasetAdd:
     CATEGORY = "FluxTrainer"
 
     def create_config(self, dataset_config, dataset_path, class_tokens, width, height, batch_size, num_repeats, enable_bucket,  
-                  bucket_no_upscale, min_bucket_reso, max_bucket_reso):
+                  bucket_no_upscale, min_bucket_reso, max_bucket_reso, regularization=None):
         
         new_dataset = {
             "resolution": (width, height),
@@ -163,6 +191,8 @@ class TrainDatasetAdd:
                 }
             ]
         }
+        if regularization is not None:
+            new_dataset["subsets"].append(regularization)
 
         # Generate a signature for the new dataset
         new_dataset_signature = self.generate_signature(new_dataset)
@@ -448,6 +478,7 @@ class InitFluxLoRATraining:
         if gradient_checkpointing == "disabled":
             config_dict["gradient_checkpointing"] = False
         elif gradient_checkpointing == "enabled_with_cpu_offloading":
+            config_dict["gradient_checkpointing"] = True
             config_dict["cpu_offload_checkpointing"] = True
         else:
             config_dict["gradient_checkpointing"] = True
@@ -455,9 +486,6 @@ class InitFluxLoRATraining:
         if flux_models["lora_path"]:
             config_dict["network_weights"] = flux_models["lora_path"]
 
-        if dataset["reg_data_dir"]:
-            config_dict["reg_data_dir"] = dataset["reg_data_dir"]
-
         config_dict.update(kwargs)
         config_dict.update(optimizer_settings)
 
@@ -1491,7 +1519,8 @@ NODE_CLASS_MAPPINGS = {
     "ExtractFluxLoRA": ExtractFluxLoRA,
     "OptimizerConfigProdigy": OptimizerConfigProdigy,
     "FluxTrainResume": FluxTrainResume,
-    "FluxTrainBlockSelect": FluxTrainBlockSelect
+    "FluxTrainBlockSelect": FluxTrainBlockSelect,
+    "TrainDatasetRegularization": TrainDatasetRegularization
 }
 NODE_DISPLAY_NAME_MAPPINGS = {
     "InitFluxLoRATraining": "Init Flux LoRA Training",
@@ -1513,5 +1542,6 @@ NODE_DISPLAY_NAME_MAPPINGS = {
     "ExtractFluxLoRA": "Extract Flux LoRA",
     "OptimizerConfigProdigy": "Optimizer Config Prodigy",
     "FluxTrainResume": "Flux Train Resume",
-    "FluxTrainBlockSelect": "Flux Train Block Select"
+    "FluxTrainBlockSelect": "Flux Train Block Select",
+    "TrainDatasetRegularization": "Train Dataset Regularization"
 }