[vtkusers] GPURenderDemo- Difference between linux OS and Windows OS

Aashish Chaudhary aashish.chaudhary at kitware.com
Wed Sep 17 09:18:58 EDT 2014

It could be that on Linux we are seeing two copies of the volume data in the main memory may be because the driver is keeping one as well. Is this nvidia or ati? Did you try different datasets? What version of the driver? 

Any chance you can post the data as well? 


Sent from my iPhone

> On Sep 17, 2014, at 6:36 AM, Emptystack <wulihouxiaoshuai at 163.com> wrote:
> Recently I am focusing on Volume Rendering  using VTK ubuntu OS, recently I
> found a problem releated memory.It seemly takes more memory on linux os than
> windows os with the same code and same input image. In order to test my
> idea, I have done the following things: 
> In the VTK's  directory, there is an Example named GPURenderDemo,so I
> compile this example and run on linux and windows operating system, and my
> inout image data's size is 335 MB. And the occupied memory on windows is 460
> MB, but 739 MB on linux. Someone can tell  me what happened on window os and
> on linux os? 
> Many thanks and best wishes! 
> Looking forward to everyone reply!
> --
> View this message in context: http://vtk.1045678.n5.nabble.com/GPURenderDemo-Difference-between-linux-OS-and-Windows-OS-tp5728759.html
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