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⚡️ Speed up function downscale_height_and_width by 29% #145

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⚡️ Speed up function downscale_height_and_width by 29% #145

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12 changes: 5 additions & 7 deletions src/diffusers/pipelines/kandinsky2_2/pipeline_kandinsky2_2_controlnet.py
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Original file line number Diff line number Diff line change
Expand Up @@ -103,13 +103,11 @@

# Copied from diffusers.pipelines.kandinsky2_2.pipeline_kandinsky2_2.downscale_height_and_width
def downscale_height_and_width(height, width, scale_factor=8):
new_height = height // scale_factor**2
if height % scale_factor**2 != 0:
new_height += 1
new_width = width // scale_factor**2
if width % scale_factor**2 != 0:
new_width += 1
return new_height * scale_factor, new_width * scale_factor
# Optimize by avoiding repeated exponentiation and using integer division with ceil in a single step
sf2 = scale_factor * scale_factor
new_height = -(-height // sf2) * scale_factor # Equivalent to math.ceil(height/sf2)*scale_factor
new_width = -(-width // sf2) * scale_factor
return new_height, new_width


class KandinskyV22ControlnetPipeline(DiffusionPipeline):
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