[issue13483] Use VirtualAlloc to allocate memory arenas

[STINNER Victor]

STINNER Victor added the comment:

> Ah ok. I guess tuples.py then indeed demonstrates a saving. I'll apply the patch.

According to my test, the memory usage is a little bit better with the patch. So Martin:,do you plan to commit the patch?

Or is a benchmark required? Or should check first check the Low Fragmentation Allocator?

I plan to test the Low Fragmentation Allocator, at least on Windows 7. But I prefer to do it later, I'm working on the PEP 445 right now.

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