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be more aggressive at clearing out saved_attn_slice

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damian0815 2022-11-01 19:57:55 +01:00 committed by Lincoln Stein
parent c7de2b2801
commit 214d276379
2 changed files with 22 additions and 13 deletions
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1
ldm/models/diffusion/cross_attention_control.py
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@ -116,6 +116,7 @@ class CrossAttentionControl:
for m in self_attention_modules+tokens_attention_modules: for m in self_attention_modules+tokens_attention_modules:
m.save_last_attn_slice = False m.save_last_attn_slice = False
m.use_last_attn_slice = False m.use_last_attn_slice = False
m.last_attn_slice = None
@classmethod @classmethod
def request_save_attention_maps(cls, model, cross_attention_type: CrossAttentionType): def request_save_attention_maps(cls, model, cross_attention_type: CrossAttentionType):

8
ldm/models/diffusion/shared_invokeai_diffusion.py
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@ -134,6 +134,8 @@ class InvokeAIDiffuserComponent:
# representing batched uncond + cond, but then when it comes to applying the saved attention, the # representing batched uncond + cond, but then when it comes to applying the saved attention, the
# wrangler gets an attention tensor which only has shape[0]=8, representing just self.edited_conditionings.) # wrangler gets an attention tensor which only has shape[0]=8, representing just self.edited_conditionings.)
# todo: give CrossAttentionControl's `wrangler` function more info so it can work with a batched call as well. # todo: give CrossAttentionControl's `wrangler` function more info so it can work with a batched call as well.
try:
unconditioned_next_x = self.model_forward_callback(x, sigma, unconditioning) unconditioned_next_x = self.model_forward_callback(x, sigma, unconditioning)
# process x using the original prompt, saving the attention maps # process x using the original prompt, saving the attention maps
@ -152,6 +154,12 @@ class InvokeAIDiffuserComponent:
return unconditioned_next_x, conditioned_next_x return unconditioned_next_x, conditioned_next_x
except RuntimeError:
# make sure we clean out the attention slices we're storing on the model
# TODO don't store things on the model
CrossAttentionControl.clear_requests(self.model)
raise
def estimate_percent_through(self, step_index, sigma): def estimate_percent_through(self, step_index, sigma):
if step_index is not None and self.cross_attention_control_context is not None: if step_index is not None and self.cross_attention_control_context is not None:
# percent_through will never reach 1.0 (but this is intended) # percent_through will never reach 1.0 (but this is intended)