Program uses twice as much memory in Python 3.6 than in Python 3.5

[INADA Naoki]

>
> Running further trials indicate that the problem actually is related to
> swapping. If I reduce the model size in the benchmark slightly so that
> everything fits into the main memory, the problem disappears. Only when the
> memory usage exceeds the 32GB that I have, Python 3.6 will acquire way more
> memory (from the swap) than Python 3.5.
>
> Jan
> --

It's very hard to believe...
I think there are some factor other than swap cause the problem.
Or, can't it reproducible in 64GB RAM machine?