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

2009-07-27 Thread Slaunger
On 27 Jul., 13:21, Dave Angel wrote: > (forwarding this message, as the reply was off-list) > > > > Kim Hansen wrote: > > 2009/7/24 Dave Angel : > > >> It's not a question of how much disk space there is, but how much virtual > >> space 32 bits can address.  2**32 is about 4 gig, and Windows XP re

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

2009-07-27 Thread Dave Angel
(forwarding this message, as the reply was off-list) Kim Hansen wrote: 2009/7/24 Dave Angel : It's not a question of how much disk space there is, but how much virtual space 32 bits can address. 2**32 is about 4 gig, and Windows XP reserves about half of that for system use. Presumably a 64

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

2009-07-24 Thread Dave Angel
Slaunger wrote: OS: Win XP SP3, 32 bit Python 2.5.4 Hi I have run into some problems with allocating numpy.memmaps exceeding and accumulated size of about 2 GB. I have found out that the real problem relates to numpy.memmap using mmap.mmap I've written a small test program to illustrate it: im

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

2009-07-24 Thread Piet van Oostrum
> Slaunger (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

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

2009-07-24 Thread Diez B. Roggisch
Slaunger schrieb: OS: Win XP SP3, 32 bit Python 2.5.4 Hi I have run into some problems with allocating numpy.memmaps exceeding and accumulated size of about 2 GB. I have found out that the real problem relates to numpy.memmap using mmap.mmap I've written a small test program to illustrate it:

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

2009-07-24 Thread Slaunger
OS: Win XP SP3, 32 bit Python 2.5.4 Hi I have run into some problems with allocating numpy.memmaps exceeding and accumulated size of about 2 GB. I have found out that the real problem relates to numpy.memmap using mmap.mmap I've written a small test program to illustrate it: import itertools imp