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[PRX pipeline]: add 1024 resolution ratio bins #12670

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Merged
merged 1 commit into from
Nov 17, 2025
Merged

[PRX pipeline]: add 1024 resolution ratio bins #12670

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43 changes: 39 additions & 4 deletions src/diffusers/pipelines/prx/pipeline_prx.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,39 @@
"2.0": [704, 352],
}

ASPECT_RATIO_1024_BIN = {
"0.49": [704, 1440],
"0.52": [736, 1408],
"0.53": [736, 1376],
"0.57": [768, 1344],
"0.59": [768, 1312],
"0.62": [800, 1280],
"0.67": [832, 1248],
"0.68": [832, 1216],
"0.78": [896, 1152],
"0.83": [928, 1120],
"0.94": [992, 1056],
"1.0": [1024, 1024],
"1.06": [1056, 992],
"1.13": [1088, 960],
"1.21": [1120, 928],
"1.29": [1152, 896],
"1.37": [1184, 864],
"1.46": [1216, 832],
"1.5": [1248, 832],
"1.71": [1312, 768],
"1.75": [1344, 768],
"1.87": [1376, 736],
"1.91": [1408, 736],
"2.05": [1440, 704],
}

ASPECT_RATIO_BINS = {
256: ASPECT_RATIO_256_BIN,
512: ASPECT_RATIO_512_BIN,
1024: ASPECT_RATIO_1024_BIN,
}

logger = logging.get_logger(__name__)


Expand Down Expand Up @@ -600,10 +633,12 @@ def __call__(
"Resolution binning requires a VAE with image_processor, but VAE is not available. "
"Set use_resolution_binning=False or provide a VAE."
)
if self.default_sample_size <= 256:
aspect_ratio_bin = ASPECT_RATIO_256_BIN
else:
aspect_ratio_bin = ASPECT_RATIO_512_BIN
if self.default_sample_size not in ASPECT_RATIO_BINS:
raise ValueError(
f"Resolution binning is only supported for default_sample_size in {list(ASPECT_RATIO_BINS.keys())}, "
f"but got {self.default_sample_size}. Set use_resolution_binning=False to disable aspect ratio binning."
)
aspect_ratio_bin = ASPECT_RATIO_BINS[self.default_sample_size]

# Store original dimensions
orig_height, orig_width = height, width
Expand Down
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