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ac2243f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | # coding=utf-8
# Copyright 2025 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 gc
from diffusers import (
FluxTransformer2DModel,
)
from ..testing_utils import (
backend_empty_cache,
enable_full_determinism,
torch_device,
)
from .single_file_testing_utils import SingleFileModelTesterMixin
enable_full_determinism()
class TestFluxTransformer2DModelSingleFile(SingleFileModelTesterMixin):
model_class = FluxTransformer2DModel
ckpt_path = "https://huggingface.co/black-forest-labs/FLUX.1-dev/blob/main/flux1-dev.safetensors"
alternate_keys_ckpt_paths = ["https://huggingface.co/Comfy-Org/flux1-dev/blob/main/flux1-dev-fp8.safetensors"]
repo_id = "black-forest-labs/FLUX.1-dev"
subfolder = "transformer"
def test_device_map_cuda(self):
backend_empty_cache(torch_device)
model = self.model_class.from_single_file(self.ckpt_path, device_map="cuda")
del model
gc.collect()
backend_empty_cache(torch_device)
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