add xformers 0.0.16 warning message (#2345)

* add xformers 0.0.16 warning message

* fix version check to check whole version string

examples/dreambooth/train_dreambooth.py

@@ -660,6 +660,13 @@ def main(args):
 
     if args.enable_xformers_memory_efficient_attention:
         if is_xformers_available():
+            import xformers
+
+            xformers_version = version.parse(xformers.__version__)
+            if xformers_version == version.parse("0.0.16"):
+                logger.warn(
+                    "xFormers 0.0.16 cannot be used for training in some GPUs. If you observe problems during training, please update xFormers to at least 0.0.17. See https://huggingface.co/docs/diffusers/main/en/optimization/xformers for more details."
+                )
             unet.enable_xformers_memory_efficient_attention()
         else:
             raise ValueError("xformers is not available. Make sure it is installed correctly")

examples/dreambooth/train_dreambooth_lora.py

@@ -31,6 +31,7 @@ from accelerate import Accelerator
 from accelerate.logging import get_logger
 from accelerate.utils import ProjectConfiguration, set_seed
 from huggingface_hub import HfFolder, Repository, create_repo, whoami
+from packaging import version
 from PIL import Image
 from torch.utils.data import Dataset
 from torchvision import transforms
@@ -681,6 +682,13 @@ def main(args):
 
     if args.enable_xformers_memory_efficient_attention:
         if is_xformers_available():
+            import xformers
+
+            xformers_version = version.parse(xformers.__version__)
+            if xformers_version == version.parse("0.0.16"):
+                logger.warn(
+                    "xFormers 0.0.16 cannot be used for training in some GPUs. If you observe problems during training, please update xFormers to at least 0.0.17. See https://huggingface.co/docs/diffusers/main/en/optimization/xformers for more details."
+                )
             unet.enable_xformers_memory_efficient_attention()
         else:
             raise ValueError("xformers is not available. Make sure it is installed correctly")

examples/text_to_image/train_text_to_image.py

@@ -417,6 +417,13 @@ def main():
 
     if args.enable_xformers_memory_efficient_attention:
         if is_xformers_available():
+            import xformers
+
+            xformers_version = version.parse(xformers.__version__)
+            if xformers_version == version.parse("0.0.16"):
+                logger.warn(
+                    "xFormers 0.0.16 cannot be used for training in some GPUs. If you observe problems during training, please update xFormers to at least 0.0.17. See https://huggingface.co/docs/diffusers/main/en/optimization/xformers for more details."
+                )
             unet.enable_xformers_memory_efficient_attention()
         else:
             raise ValueError("xformers is not available. Make sure it is installed correctly")

examples/text_to_image/train_text_to_image_lora.py

@@ -33,6 +33,7 @@ from accelerate.logging import get_logger
 from accelerate.utils import ProjectConfiguration, set_seed
 from datasets import load_dataset
 from huggingface_hub import HfFolder, Repository, create_repo, whoami
+from packaging import version
 from torchvision import transforms
 from tqdm.auto import tqdm
 from transformers import CLIPTextModel, CLIPTokenizer
@@ -449,6 +450,13 @@ def main():
 
     if args.enable_xformers_memory_efficient_attention:
         if is_xformers_available():
+            import xformers
+
+            xformers_version = version.parse(xformers.__version__)
+            if xformers_version == version.parse("0.0.16"):
+                logger.warn(
+                    "xFormers 0.0.16 cannot be used for training in some GPUs. If you observe problems during training, please update xFormers to at least 0.0.17. See https://huggingface.co/docs/diffusers/main/en/optimization/xformers for more details."
+                )
             unet.enable_xformers_memory_efficient_attention()
         else:
             raise ValueError("xformers is not available. Make sure it is installed correctly")

examples/textual_inversion/textual_inversion.py

@@ -583,6 +583,13 @@ def main():
 
     if args.enable_xformers_memory_efficient_attention:
         if is_xformers_available():
+            import xformers
+
+            xformers_version = version.parse(xformers.__version__)
+            if xformers_version == version.parse("0.0.16"):
+                logger.warn(
+                    "xFormers 0.0.16 cannot be used for training in some GPUs. If you observe problems during training, please update xFormers to at least 0.0.17. See https://huggingface.co/docs/diffusers/main/en/optimization/xformers for more details."
+                )
             unet.enable_xformers_memory_efficient_attention()
         else:
             raise ValueError("xformers is not available. Make sure it is installed correctly")