Tensorflow operations are unsusably slow
问题 I'm trying to get started with tensorflow using the python interface. My problem is that executing even the most basic operations, they take a long time (> 5 minutes) This problem occurs when using python3.6, installed from macports and tensorflow-1.13, the tf-nightly, and tensorflow2.0 alpha, all installed using pip. This simple example takes more than 5 minutes to execute. > ipython Python 3.6.8 (default, Dec 30 2018, 13:01:27) In [1]: import numpy as np In [2]: import tensorflow as tf In