refiners/tests/foundationals/latent_diffusion/test_unet.py

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2023-08-04 13:28:41 +00:00
from refiners.foundationals.latent_diffusion.unet import UNet
from refiners.fluxion import manual_seed
import torch
def test_unet_context_flush():
manual_seed(0)
text_embedding = torch.randn(1, 77, 768)
timestep = torch.randint(0, 999, size=(1, 1))
x = torch.randn(1, 4, 32, 32)
unet = UNet(in_channels=4, clip_embedding_dim=768)
unet.set_clip_text_embedding(clip_text_embedding=text_embedding) # not flushed between forward-s
with torch.no_grad():
unet.set_timestep(timestep=timestep)
y_1 = unet(x.clone())
with torch.no_grad():
unet.set_timestep(timestep=timestep)
y_2 = unet(x.clone())
assert torch.equal(y_1, y_2)