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fixed bug in defining embed dim for UNet1D #12111

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fixed bug in defining embed dim for UNet1D #12111

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f1b3cca
fixed bug in defining embed dim
SammyAgrawal Aug 10, 2025
ff2df6e
Merge branch 'main' into unet-1d-time-embed-debugging
SammyAgrawal Aug 11, 2025
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2 changes: 1 addition & 1 deletion src/diffusers/models/unets/unet_1d.py
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,7 @@ def __init__(
# time
if time_embedding_type == "fourier":
self.time_proj = GaussianFourierProjection(
embedding_size=8, set_W_to_weight=False, log=False, flip_sin_to_cos=flip_sin_to_cos
embedding_size=block_out_channels[0], set_W_to_weight=False, log=False, flip_sin_to_cos=flip_sin_to_cos
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@DN6 DN6 Aug 12, 2025 •
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I think it might be better to introduce an optional time_embedding_dim argument to the class init and configure this way

diffusers/src/diffusers/models/unets/unet_2d_condition.py

Line 549 in f8ba5cd

time_embed_dim = time_embedding_dim or block_out_channels[0] * 2

)
timestep_input_dim = 2 * block_out_channels[0]
elif time_embedding_type == "positional":
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