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⚡️ Speed up function get_new_h_w by 38% #126

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⚡️ Speed up function get_new_h_w by 38% #126

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12 changes: 5 additions & 7 deletions src/diffusers/pipelines/kandinsky/pipeline_kandinsky.py
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Original file line number Diff line number Diff line change
Expand Up @@ -73,13 +73,11 @@


def get_new_h_w(h, w, scale_factor=8):
new_h = h // scale_factor**2
if h % scale_factor**2 != 0:
new_h += 1
new_w = w // scale_factor**2
if w % scale_factor**2 != 0:
new_w += 1
return new_h * scale_factor, new_w * scale_factor
# Optimize: cache scale_factor^2 and use fast "integer ceil division"
sf2 = scale_factor * scale_factor
new_h = -(-h // sf2) * scale_factor
new_w = -(-w // sf2) * scale_factor
return new_h, new_w


class KandinskyPipeline(DiffusionPipeline):
Expand Down