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main/matryoshka.py

@@ -80,7 +80,6 @@ from diffusers.utils import (
     USE_PEFT_BACKEND,
     BaseOutput,
     deprecate,
-    is_torch_version,
     is_torch_xla_available,
     logging,
     replace_example_docstring,
@@ -869,23 +868,7 @@ class CrossAttnDownBlock2D(nn.Module):
 
         for i, (resnet, attn) in enumerate(blocks):
             if torch.is_grad_enabled() and self.gradient_checkpointing:
-
-                def create_custom_forward(module, return_dict=None):
-                    def custom_forward(*inputs):
-                        if return_dict is not None:
-                            return module(*inputs, return_dict=return_dict)
-                        else:
-                            return module(*inputs)
-
-                    return custom_forward
-
-                ckpt_kwargs: Dict[str, Any] = {"use_reentrant": False} if is_torch_version(">=", "1.11.0") else {}
-                hidden_states = torch.utils.checkpoint.checkpoint(
-                    create_custom_forward(resnet),
-                    hidden_states,
-                    temb,
-                    **ckpt_kwargs,
-                )
+                hidden_states = self._gradient_checkpointing_func(resnet, hidden_states, temb)
                 hidden_states = attn(
                     hidden_states,
                     encoder_hidden_states=encoder_hidden_states,
@@ -1030,17 +1013,6 @@ class UNetMidBlock2DCrossAttn(nn.Module):
         hidden_states = self.resnets[0](hidden_states, temb)
         for attn, resnet in zip(self.attentions, self.resnets[1:]):
             if torch.is_grad_enabled() and self.gradient_checkpointing:
-
-                def create_custom_forward(module, return_dict=None):
-                    def custom_forward(*inputs):
-                        if return_dict is not None:
-                            return module(*inputs, return_dict=return_dict)
-                        else:
-                            return module(*inputs)
-
-                    return custom_forward
-
-                ckpt_kwargs: Dict[str, Any] = {"use_reentrant": False} if is_torch_version(">=", "1.11.0") else {}
                 hidden_states = attn(
                     hidden_states,
                     encoder_hidden_states=encoder_hidden_states,
@@ -1049,12 +1021,7 @@ class UNetMidBlock2DCrossAttn(nn.Module):
                     encoder_attention_mask=encoder_attention_mask,
                     return_dict=False,
                 )[0]
-                hidden_states = torch.utils.checkpoint.checkpoint(
-                    create_custom_forward(resnet),
-                    hidden_states,
-                    temb,
-                    **ckpt_kwargs,
-                )
+                hidden_states = self._gradient_checkpointing_func(resnet, hidden_states, temb)
             else:
                 hidden_states = attn(
                     hidden_states,
@@ -1192,23 +1159,7 @@ class CrossAttnUpBlock2D(nn.Module):
             hidden_states = torch.cat([hidden_states, res_hidden_states], dim=1)
 
             if torch.is_grad_enabled() and self.gradient_checkpointing:
-
-                def create_custom_forward(module, return_dict=None):
-                    def custom_forward(*inputs):
-                        if return_dict is not None:
-                            return module(*inputs, return_dict=return_dict)
-                        else:
-                            return module(*inputs)
-
-                    return custom_forward
-
-                ckpt_kwargs: Dict[str, Any] = {"use_reentrant": False} if is_torch_version(">=", "1.11.0") else {}
-                hidden_states = torch.utils.checkpoint.checkpoint(
-                    create_custom_forward(resnet),
-                    hidden_states,
-                    temb,
-                    **ckpt_kwargs,
-                )
+                hidden_states = self._gradient_checkpointing_func(resnet, hidden_states, temb)
                 hidden_states = attn(
                     hidden_states,
                     encoder_hidden_states=encoder_hidden_states,
@@ -1282,10 +1233,6 @@ class MatryoshkaTransformer2DModel(LegacyModelMixin, LegacyConfigMixin):
             ]
         )
 
-    def _set_gradient_checkpointing(self, module, value=False):
-        if hasattr(module, "gradient_checkpointing"):
-            module.gradient_checkpointing = value
-
     def forward(
         self,
         hidden_states: torch.Tensor,
@@ -1365,19 +1312,8 @@ class MatryoshkaTransformer2DModel(LegacyModelMixin, LegacyConfigMixin):
         # Blocks
         for block in self.transformer_blocks:
             if torch.is_grad_enabled() and self.gradient_checkpointing:
-
-                def create_custom_forward(module, return_dict=None):
-                    def custom_forward(*inputs):
-                        if return_dict is not None:
-                            return module(*inputs, return_dict=return_dict)
-                        else:
-                            return module(*inputs)
-
-                    return custom_forward
-
-                ckpt_kwargs: Dict[str, Any] = {"use_reentrant": False} if is_torch_version(">=", "1.11.0") else {}
-                hidden_states = torch.utils.checkpoint.checkpoint(
-                    create_custom_forward(block),
+                hidden_states = self._gradient_checkpointing_func(
+                    block,
                     hidden_states,
                     attention_mask,
                     encoder_hidden_states,
@@ -1385,7 +1321,6 @@ class MatryoshkaTransformer2DModel(LegacyModelMixin, LegacyConfigMixin):
                     timestep,
                     cross_attention_kwargs,
                     class_labels,
-                    **ckpt_kwargs,
                 )
             else:
                 hidden_states = block(
@@ -2724,10 +2659,6 @@ class MatryoshkaUNet2DConditionModel(
         for module in self.children():
             fn_recursive_set_attention_slice(module, reversed_slice_size)
 
-    def _set_gradient_checkpointing(self, module, value=False):
-        if hasattr(module, "gradient_checkpointing"):
-            module.gradient_checkpointing = value
-
     def enable_freeu(self, s1: float, s2: float, b1: float, b2: float):
         r"""Enables the FreeU mechanism from https://arxiv.org/abs/2309.11497.