[vtkusers] GPU Volume Rendering / Cuda

[superzz]

Hello
I am leveraging vtkGPUVolumeRayCastMapper to render a 512*512*200 dataset.
The window size is 800x800. It is much faster than CPU volume rendering. But
the speed is still not satisifying. The FPS is only 1. My video card is
NVIDIA Quadro NVS 160M.

I am considering to update my video card. Video card has some techinal
parameters. I do not know which one is the most important for GPU volume
rendering. Core Clock, Memory Size, Memory Interface or anything else?

The desired FPS of mine is at least 10.

I also find some a vtk volume rendering project is leveraging CUDA. Will
CUDA greately accelerate rendering speed?

Thanks

superZZ
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