models/official/projects/qat/vision/quantization/helper_test.py

55 lines
1.9 KiB
Python

# Copyright 2025 The TensorFlow Authors. All Rights Reserved.
#
# 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.
"""Tests for helper."""
import numpy as np
import tensorflow as tf, tf_keras
import tensorflow_model_optimization as tfmot
from official.projects.qat.vision.quantization import helper
class HelperTest(tf.test.TestCase):
def create_simple_model(self):
return tf_keras.models.Sequential([
tf_keras.layers.Dense(8, input_shape=(16,)),
])
def test_copy_original_weights_for_simple_model_with_custom_weights(self):
one_model = self.create_simple_model()
one_weights = [np.ones_like(weight) for weight in one_model.get_weights()]
one_model.set_weights(one_weights)
qat_model = tfmot.quantization.keras.quantize_model(
self.create_simple_model())
zero_weights = [np.zeros_like(weight) for weight in qat_model.get_weights()]
qat_model.set_weights(zero_weights)
helper.copy_original_weights(one_model, qat_model)
qat_model_weights = qat_model.get_weights()
count = 0
for idx, weight in enumerate(qat_model.weights):
if not helper.is_quantization_weight_name(weight.name):
self.assertAllEqual(
qat_model_weights[idx], np.ones_like(qat_model_weights[idx]))
count += 1
self.assertLen(one_model.weights, count)
self.assertGreater(len(qat_model.weights), len(one_model.weights))
if __name__ == '__main__':
tf.test.main()