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Model-Optimizer/tests/examples/diffusers/test_flux_quantization.py
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# SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# 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.
from _test_utils.examples.run_command import run_diffusers_cmd
# Use the tiny models for faster testing
FLUX_ARGS = [
"--model",
"flux-schnell",
"--override-model-path",
"hf-internal-testing/tiny-flux-pipe",
]
FLUX_DTYPE = "BFloat16"
# fmt: off
def test_flux_int8_level3(int8_args, tmp_path):
torch_ckpt_path = tmp_path / "flux-schnell.int8.level3.pt"
onnx_dir = tmp_path / "flux-schnell.int8.level3.onnx"
# INT8 Level 3
run_diffusers_cmd(
[
"python", "quantize.py",
*FLUX_ARGS, *int8_args,
"--model-dtype", FLUX_DTYPE,
"--trt-high-precision-dtype", FLUX_DTYPE,
"--batch-size", "1",
"--quantized-torch-ckpt-save-path", torch_ckpt_path,
"--onnx-dir", onnx_dir,
],
)
# Inference - DQ only
run_diffusers_cmd(
[
"python", "diffusion_trt.py",
*FLUX_ARGS,
"--model-dtype", FLUX_DTYPE,
"--onnx-load-path", onnx_dir / "model.onnx",
"--dq-only",
],
)