test_qdq_node_placement.py

#
# SPDX-FileCopyrightText: Copyright (c) 1993-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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# http://www.apache.org/licenses/LICENSE-2.0
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import sys
import tensorflow as tf
from tensorflow_quantization.custom_qdq_cases import MobileNetQDQCase
from examples.utils import get_tfkeras_model
from tests.onnx_graph_qdq_validator import validate_quantized_model
from tensorflow_quantization.utils import CreateAssetsFolders
import pytest

# Create a directory to save test models
test_assets = CreateAssetsFolders("test_qdq_node_placement")


def test_mobilenetv1_quantize_full():
    """
    MobileNet-v1: Full model quantization
    """
    this_function_name = sys._getframe().f_code.co_name

    # Instantiate Baseline model
    nn_model_original = get_tfkeras_model(model_name="mobilenet_v1")

    custom_qdq_cases = [MobileNetQDQCase()]
    q_model, validated = validate_quantized_model(
        test_assets, nn_model_original, test_name=this_function_name,
        custom_qdq_cases=custom_qdq_cases
    )
    assert validated, "ONNX QDQ validation for full network quantization failed!"
    # necessary to clear model layer names from the memory
    tf.keras.backend.clear_session()


def test_mobilenetv2_quantize_full():
    """
    MobileNet-v2: Full model quantization
    """
    this_function_name = sys._getframe().f_code.co_name

    # Instantiate Baseline model
    nn_model_original = get_tfkeras_model(model_name="mobilenet_v2")

    custom_qdq_cases = [MobileNetQDQCase()]
    q_model, validated = validate_quantized_model(
        test_assets, nn_model_original, test_name=this_function_name,
        custom_qdq_cases=custom_qdq_cases
    )
    assert validated, "ONNX QDQ validation for full network quantization failed!"
    # necessary to clear model layer names from the memory
    tf.keras.backend.clear_session()