Thank you very much, Ismail and Martin, I have 3G memory installed. and 1.02G is avaible, I use windows vista. and I didn't use file page file/swap.
I will read carefully about both of you suggested. If you have some source can be read for that, please tell me. Yun On Wed, Apr 15, 2009 at 5:10 PM, Martin Beckett <m...@mgbeckett.com> wrote: > vector typically doubles the size of memory it reserves when it needs more > space. This is because every time it allocates new memory it must move the > contents of the existing memory - it's slow to copy all the existing > elements and so it makes sense to only increase as few times as possible > (see http://www.ddj.com/cpp/184401375 for a discussion). > Unfortunately this isn't a good stratergy when you are almost out of > memory. > > Another problem is that the memory must be contiguous (ie in one block), so > if you frequently allocate and delete memory there might not be a single > free block large enough - even if you have enough overall memory. > > There is also a little 'trick' to reduce a vector back down to the minimum > required memory - see http://www.gotw.ca/gotw/054.htm > > Code: > vector<stuff>( c ).swap( c ); > > > > (note - can someone confirm the swap() trick works with ref counting?) > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=10259#10259 > > > > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > -- Cheers, Yun
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