tf版本相关WARN

2020-03-05 15:36:38.259141: I tensorflow/core/platform/cpu_feature_guard.cc:142] 
Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2 FMA

大概意思是：你的CPU支持AVX扩展，但是你安装的TensorFlow版本无法编译使用。

WARNING:
tensorflow:
From /Users/xxx.py:17: 
The name tf.random_normal is deprecated. Please use tf.random.normal instead.

WARNING:
tensorflow:
From /Users/xxx.py:20: 
The name tf.Session is deprecated. Please use tf.compat.v1.Session instead.

WARNING:
tensorflow:
From /Users/xxx.py:21: 
The name tf.global_variables_initializer is deprecated. 
Please use tf.compat.v1.global_variables_initializer instead.