第三方库Tensorflow编写程序正常运行，出现warning

陶涛

学号：19131213373

【嵌牛导读】tensor flow是用来实现mnist手写数字识别的一个库，但是运行时也会存在各种问题，在这里，为大家分享一下自己在学习过程中遇到的问题以及解决办法。

【嵌牛鼻子】python，tensor flow, warning

【嵌牛正文】

tensor flow是用来实现mnist手写数字识别的一个库，但是运行时也会存在各种问题，在这里，为大家分享一下自己在学习过程中遇到的问题以及解决办法。

跑tensorflow时报下面的warning：

2019-11-22 11:00:31.504004: W tensorflow/core/platform/cpu_feature_guard.cc:45]The TensorFlow library wasn't compiled to use SSE4.2 instructions,but these are available on your machine and could speed up CPU computations.

2019-11-22 11:00:31.504312: W tensorflow/core/platform/cpu_feature_guard.cc:45]The TensorFlow library wasn't compiled to use AVX instructions,but these are available on your machine and could speed up CPU computations.

2019-11-22 11:00:31.504325: W tensorflow/core/platform/cpu_feature_guard.cc:45]The TensorFlow library wasn't compiled to use AVX2 instructions,but these are available on your machine and could speed up CPU computations.

2019-11-22 11:00:31.504335: W tensorflow/core/platform/cpu_feature_guard.cc:45]The TensorFlow library wasn't compiled to use FMA instructions,but these are available on your machine and could speed up CPU computations.

解决办法：