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Support attn2==None for xformers #1759

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Merged
merged 1 commit into from
Dec 19, 2022
Merged

Support attn2==None for xformers #1759

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3 changes: 2 additions & 1 deletion src/diffusers/models/attention.py
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Original file line number Diff line number Diff line change
Expand Up @@ -473,7 +473,8 @@ def set_use_memory_efficient_attention_xformers(self, use_memory_efficient_atten
except Exception as e:
raise e
self.attn1._use_memory_efficient_attention_xformers = use_memory_efficient_attention_xformers
self.attn2._use_memory_efficient_attention_xformers = use_memory_efficient_attention_xformers
if self.attn2 is not None:
self.attn2._use_memory_efficient_attention_xformers = use_memory_efficient_attention_xformers

def forward(self, hidden_states, encoder_hidden_states=None, timestep=None, attention_mask=None):
# 1. Self-Attention
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