Tensorflow Slower on Python 3 vs. Python 2

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My tests show that Tensorflow GPU operations are ~6% slower on Python 3 compared to Python 2. Does anyone have any insight on this?

Platform:

  • Ubuntu 16.04.2 LTS
  • Virtualenv 15.0.1
  • Python 2.7.12
  • Python 3.6.1
  • TensorFlow 1.1
  • CUDA Toolkit 8.0.44
  • CUDNN 5.1
  • GPU: GTX 980Ti
  • CPU: i7 4 GHz
  • RAM: 32 GB
1 Answers
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