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# coding=utf-8
# Copyright 2024 HuggingFace Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
import torch
from diffusers import AutoencoderKLWan
from diffusers.utils.testing_utils import enable_full_determinism, floats_tensor, torch_device
from ..test_modeling_common import ModelTesterMixin, UNetTesterMixin
enable_full_determinism()
class AutoencoderKLWanTests(ModelTesterMixin, UNetTesterMixin, unittest.TestCase):
model_class = AutoencoderKLWan
main_input_name = "sample"
base_precision = 1e-2
def get_autoencoder_kl_wan_config(self):
return {
"base_dim": 3,
"z_dim": 16,
"dim_mult": [1, 1, 1, 1],
"num_res_blocks": 1,
"temperal_downsample": [False, True, True],
}
@property
def dummy_input(self):
batch_size = 2
num_frames = 9
num_channels = 3
sizes = (16, 16)
image = floats_tensor((batch_size, num_channels, num_frames) + sizes).to(torch_device)
return {"sample": image}
@property
def dummy_input_tiling(self):
batch_size = 2
num_frames = 9
num_channels = 3
sizes = (128, 128)
image = floats_tensor((batch_size, num_channels, num_frames) + sizes).to(torch_device)
return {"sample": image}
@property
def input_shape(self):
return (3, 9, 16, 16)
@property
def output_shape(self):
return (3, 9, 16, 16)
def prepare_init_args_and_inputs_for_common(self):
init_dict = self.get_autoencoder_kl_wan_config()
inputs_dict = self.dummy_input
return init_dict, inputs_dict
def prepare_init_args_and_inputs_for_tiling(self):
init_dict = self.get_autoencoder_kl_wan_config()
inputs_dict = self.dummy_input_tiling
return init_dict, inputs_dict
def test_enable_disable_tiling(self):
init_dict, inputs_dict = self.prepare_init_args_and_inputs_for_tiling()
torch.manual_seed(0)
model = self.model_class(**init_dict).to(torch_device)
inputs_dict.update({"return_dict": False})
torch.manual_seed(0)
output_without_tiling = model(**inputs_dict, generator=torch.manual_seed(0))[0]
torch.manual_seed(0)
model.enable_tiling(96, 96, 64, 64)
output_with_tiling = model(**inputs_dict, generator=torch.manual_seed(0))[0]
self.assertLess(
(output_without_tiling.detach().cpu().numpy() - output_with_tiling.detach().cpu().numpy()).max(),
0.5,
"VAE tiling should not affect the inference results",
)
torch.manual_seed(0)
model.disable_tiling()
output_without_tiling_2 = model(**inputs_dict, generator=torch.manual_seed(0))[0]
self.assertEqual(
output_without_tiling.detach().cpu().numpy().all(),
output_without_tiling_2.detach().cpu().numpy().all(),
"Without tiling outputs should match with the outputs when tiling is manually disabled.",
)
def test_enable_disable_slicing(self):
init_dict, inputs_dict = self.prepare_init_args_and_inputs_for_common()
torch.manual_seed(0)
model = self.model_class(**init_dict).to(torch_device)
inputs_dict.update({"return_dict": False})
torch.manual_seed(0)
output_without_slicing = model(**inputs_dict, generator=torch.manual_seed(0))[0]
torch.manual_seed(0)
model.enable_slicing()
output_with_slicing = model(**inputs_dict, generator=torch.manual_seed(0))[0]
self.assertLess(
(output_without_slicing.detach().cpu().numpy() - output_with_slicing.detach().cpu().numpy()).max(),
0.05,
"VAE slicing should not affect the inference results",
)
torch.manual_seed(0)
model.disable_slicing()
output_without_slicing_2 = model(**inputs_dict, generator=torch.manual_seed(0))[0]
self.assertEqual(
output_without_slicing.detach().cpu().numpy().all(),
output_without_slicing_2.detach().cpu().numpy().all(),
"Without slicing outputs should match with the outputs when slicing is manually disabled.",
)
@unittest.skip("Gradient checkpointing has not been implemented yet")
def test_gradient_checkpointing_is_applied(self):
pass
@unittest.skip("Test not supported")
def test_forward_with_norm_groups(self):
pass
@unittest.skip("RuntimeError: fill_out not implemented for 'Float8_e4m3fn'")
def test_layerwise_casting_inference(self):
pass
@unittest.skip("RuntimeError: fill_out not implemented for 'Float8_e4m3fn'")
def test_layerwise_casting_training(self):
pass
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