[osg-users] [Not OSG related question] Virtual memory management on Windows

Serge Lages serge.lages at gmail.com
Wed Jun 25 08:10:29 PDT 2008


Hi all,

I have a question not related to OSG but I can't find any answer, and this
is something that some of you probably knows. That's why I try here to find
some help.

Here is my problem : I have a big image database with some images larger
than 1.5Go uncompressed, and I fail to load them (Win XP SP2 32bits with
Visual Studio 8). My computer has 3Go of virtual memory and the option /3GB
is activated on the system. In this document (page 13) :
http://actes.sstic.org/SSTIC05/Vulnerabilites_et_gestion_des_limites_memoire/SSTIC05-article-Delalleau-Vulnerabilites_et_gestion_des_limites_memoire.pdf
It says it's not possible to allocate more than 1.3Go in one call, and it's
actually the limit where it crashs. If I do 2 allocations of 1Go each, it
works, but 1 allocation of 1.4Go crashs...

Has someone any idea if it's possible to change this limit ? My only hope
will be to make smaller images, or even to develop under Linux ? :)
Thanks in advance !

-- 
Serge Lages
http://www.tharsis-software.com
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