import tensorflow as tf
loss_obj_scc = tf.keras.losses.SparseCategoricalCrossentropy()
使用如下方法直接报出如下问题: 原因是keras版本是2.8版本，可能与tf2.6不兼容，
pip install keras==2.6.0 即可解决
2022-03-27 22:41:02.116859: I tensorflow/core/platform/cpu_feature_guard.cc:142] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations: AVX AVX2
To enable them in other operations, rebuild TensorFlow with the appropriate compiler flags.
2022-03-27 22:41:02.338609: E tensorflow/core/lib/monitoring/collection_registry.cc:77] Cannot register 2 metrics with the same name: /tensorflow/api/keras/optimizers
Traceback (most recent call last):
File "C:/Users/yinchen/PycharmProjects/pythonExercise/tensorflow2exercise.py", line 8, in
loss_obj_scc = tf.keras.losses.SparseCategoricalCrossentropy(
File "C:\anaconda\envs\python38base\lib\site-packages\tensorflow\python\util\lazy_loader.py", line 62, in __getattr__
module = self._load()
......
File "C:\anaconda\envs\python38base\lib\site-packages\tensorflow\python\eager\monitoring.py", line 135, in __init__
self._metric = self._metric_methods[self._label_length].create(*args)
tensorflow.python.framework.errors_impl.AlreadyExistsError: Another metric with the same name already exists.
#
Process finished with exit code 1
Original: https://blog.csdn.net/sa726663676/article/details/123783775
Author: sa726663676
Title: python3.8 安装tensorflow2.6问题
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