[osg-users] Why ref_ptr node can not release memory immediatelly?

[John Lee]

Hi,Sebastian
Thank you for your reply! 

John


SMesserschmidt wrote:
> Am 08.07.2016 um 10:10 schrieb John Lee:
> 
> > Hi,Alberto
> > Thank you for your reply.
> > The problem at the link you share is exactly what i have now. But I can't find any solution on it. The memory usage is based on windows task manager.
> > 
> There is no "problem".
> 1. ) The driver will release the freed memory when it is appropriate.
> 2.) Relying on the "working set" displayed in the task-manager is hardly 
> an indication on how much memory is used.
> 3.) Some data might be shared between nodes (e.g. images), so they can 
> be removed only if the last reference is gone.
> 
> 
> The question is: If you're hitting a memory limit somewhere, than you 
> might be doing something wrong. This include not using the 
> reference-counting system correctly or simply cloning data where it 
> should be shared.
> Cheers
> Sebastian
> 
> P.S.
> Also see:
> 
> http://forum.openscenegraph.org/viewtopic.php?p=43571#43571
> 
> 
> 
> 
> 
> > 
> > John
> > 
> > 
> > Alberto Luaces wrote:
> > 
> > > Hi John,
> > > 
> > > there was a recent discussion on the topic that may be interesting to
> > > you:
> > > 
> > > http://forum.openscenegraph.org/viewtopic.php?t=15809
> > > 
> > > "John Lee" <> writes:
> > > 
> > > 
> > > 
> > > > Hi,
> > > > 
> > > > In my appllication, there are many child nodes in my root node. When i
> > > > dynamically remove its child node, i find the memory will not free
> > > > immediatelly, it will free sometimes, maybe it will free when i keep
> > > > removing a few child nodes, or it will free when i remove all child
> > > > nodes? Why this happens? And can anyone tell me how to free the scene
> > > > memory immediatelly?
> > > > 
> > > > Thank you!
> > > > 
> > > > 
> > > -- 
> > > Alberto
> > > 
> > > _______________________________________________
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> > > 
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> > 
> > 
> > 
> > 
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