[vtkusers] Performance VTK 4.4 vs. VTK 5.4.2

[Dave Partyka]

I have heard that there are performance differences between the two. I do
not know if any change has been identified as the culprit though :-/.

On Mon, Sep 21, 2009 at 12:32 PM, Affolter Martin <martin.affolter at ntb.ch>wrote:

> Dear VTKUsers
>
> I've been looking into the vtkusers archive for a while now, and it helped
> me solve my vtk-problems in most cases. We use VTK in a CAD Application and
> decided to move from version 4.4 to the latest release, which is 5.4.2 at
> this time. So I downloaded the sources, made a VS2008 solution with Cmake
> and built the libs and dlls. Besides replacing some deprecated methods I did
> not have to change anything in our code. No compiler-warnings, no errors (of
> course).
>
> When I tested version 5.4.2 against 4.4 I found out, that 5.4.2 takes about
> 3-4 times longer to visualize a 3d-model of some robot-arm than version 4.4
> did. The rendering while interacting is also very, very slow. Can anybody
> confirm such a performance drop? If so, then I think we might stick to v4.4
> a little longer, if not, then I'll have to figure out what went wrong in my
> tests.
>
> Thanks
> Martin
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