mmap 2GB allocation limit on Win XP, 32-bits, Python 2.5.4

Piet van Oostrum piet at cs.uu.nl
Fri Jul 24 06:46:14 EDT 2009


>>>>> Slaunger <Slaunger at gmail.com> (S) wrote:

>S> OS: Win XP SP3, 32 bit
>S> Python 2.5.4

>S> Hi I have run into some problems with allocating numpy.memmaps
>S> exceeding and accumulated size of about 2 GB. I have found out that
>S> the real problem relates to numpy.memmap using mmap.mmap

On Windows XP the virtual address space of a process is limited to 2 GB
unless the /3GB switch is used in the Boot.ini file.
http://www.microsoft.com/whdc/system/platform/server/PAE/PAEmem.mspx
-- 
Piet van Oostrum <piet at cs.uu.nl>
URL: http://pietvanoostrum.com [PGP 8DAE142BE17999C4]
Private email: piet at vanoostrum.org



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