A quick update for those using epoch time on Cell #7 of lesson1.ipynb as a benchmark for setup (@RogerS49, @stephenl , @kzuiderveld, @brendan).
After upgrading to Python 3.6 and Keras 2.0 for Part #2 (Part #1 use Python 2.7 and Keras 1.22), I used @Robi updated notebooks.
Took just a few minutes to finetune file names here and there. like utils_p3.py, vvg16_p3.py etc
My 2015 gaming PC with i5 4690K + Z97 + 16gb ddr3 + 500gb SSD and Asus GTX 1080Ti FE used to run the epoch in 210 sec.
Now:
Eric
PS: I do not recommend new students of Part #1 this approach, except if you are familiar with debugging code. Best to start with Python 2.7 and Keras 1.2 imho.