I’ve implemented a popular reinforcement learning algorithm A3C, here is the source code: https://github.com/JIElite/A3C 8
Sorry for lack of insufficient documentation, but I think it’s enough to reproduce this problem. The problem is when I use my Macbook Pro 15’(2017) to run main.py, it only takes 20 seconds for full training. However, when I run the same code on my Ubuntu 16.04 LTS computer (i7-7700K) without any modification, it needs to take more than 10 minutes to finish training. Even if I modify it to GPU version, it takes 1 minute to training.
What causes such huge gap in training time?
Python version:

Python version: 3.5.2