> The patch changes the maximum stack size from 8 to 16 MByte, neither of which is huge and shouldn't cause other problems.

On Mac OS X: Is the memory allocated at Python startup, or on demand,
as the stack grows? If I am correct, the physical memory is allocated
on demand on Linux.

2013/5/30 Ronald Oussoren <report@bugs.python.org>:
>
> Ronald Oussoren added the comment:
>
> I'd prefer to keep the default recursion limit the same as on Linux, changing the recursion limit on OSX would just introduce an unnecessary difference between the two platforms.
>
> The patch changes the maximum stack size from 8 to 16 MByte, neither of which is huge and shouldn't cause other problems.
>
> I'd also like to increase the default stack size for newly created threads (see #18049) and will update that patch to create a 16 MByte stack as well.
>
> ----------
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> <http://bugs.python.org/issue18075>
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