Total maximal size of data

AlexM anm12345 at gmail.com
Mon Jan 25 22:22:17 CET 2010


On Jan 25, 2:42 pm, "Diez B. Roggisch" <de... at nospam.web.de> wrote:
> Am 25.01.10 21:15, schrieb AlexM:
>
>
>
> > On Jan 25, 2:03 pm, "Diez B. Roggisch"<de... at nospam.web.de>  wrote:
> >> Am 25.01.10 20:39, schrieb AlexM:
>
> >>> On Jan 25, 1:23 pm, "Diez B. Roggisch"<de... at nospam.web.de>    wrote:
> >>>> Am 25.01.10 20:05, schrieb Alexander Moibenko:
>
> >>>>> I have a simple question to which I could not find an answer.
> >>>>> What is the total maximal size of list including size of its elements?
> >>>>> I do not like to look into python source.
>
> >>>> But it would answer that question pretty fast. Because then you'd see
> >>>> that all list-object-methods are defined in terms of Py_ssize_t, which
> >>>> is an alias for ssize_t of your platform. 64bit that should be a 64bit long.
>
> >>>> Diez
>
> >>> Then how do explain the program output?
>
> >> What exactly? That after 3GB it ran out of memory? Because you don't
> >> have 4GB memory available for processes.
>
> >> Diez
>
> > Did you see my posting?
> > ....
> > Here is what I get on 32-bit architecture:
> > cat /proc/meminfo
> > MemTotal:      8309860 kB
> > MemFree:       5964888 kB
> > Buffers:         84396 kB
> > Cached:         865644 kB
> > SwapCached:          0 kB
> > .....
>
> > I have more than 5G in memory not speaking of swap space.
>
> Yes, I saw your posting. 32Bit is 32Bit. Do you know about PAE?
>
>    http://de.wikipedia.org/wiki/Physical_Address_Extension
>
> Just because the system can deal with more overall memory - one process
> can't get more than 4 GB (or even less, through re-mapped memory).
> Except it uses specific APIs like the old hi-mem-stuff under DOS.
>
> Diez

Yes, I do. Good catch! I have PAE enabled, but I guess I have compiled
python without extended memory. So I was looking in the wrong place.
Thanks!
AlexM



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