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[Chore] add disable forward chunking to SD3 transformer. #8838

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Merged
merged 2 commits into from
Jul 18, 2024
Merged

[Chore] add disable forward chunking to SD3 transformer. #8838

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3efbd7b
add disable forward chunking to SD3 transformer.
sayakpaul Jul 11, 2024
3479523
Merge branch 'main' into add-disable-ff-chunking
sayakpaul Jul 11, 2024
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12 changes: 12 additions & 0 deletions src/diffusers/models/transformers/transformer_sd3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,18 @@ def fn_recursive_feed_forward(module: torch.nn.Module, chunk_size: int, dim: int
for module in self.children():
fn_recursive_feed_forward(module, chunk_size, dim)

# Copied from diffusers.models.unets.unet_3d_condition.UNet3DConditionModel.disable_forward_chunking
def disable_forward_chunking(self):
def fn_recursive_feed_forward(module: torch.nn.Module, chunk_size: int, dim: int):
if hasattr(module, "set_chunk_feed_forward"):
module.set_chunk_feed_forward(chunk_size=chunk_size, dim=dim)

for child in module.children():
fn_recursive_feed_forward(child, chunk_size, dim)

for module in self.children():
fn_recursive_feed_forward(module, None, 0)

@property
# Copied from diffusers.models.unets.unet_2d_condition.UNet2DConditionModel.attn_processors
def attn_processors(self) -> Dict[str, AttentionProcessor]:
Expand Down