[Paraview] Rendering Backend OpenGL2 & PV 5.2.0-RC4 & SurfaceLic --> Problem...

[Ken Martin]

There is a VTK topic now that should fix this regression. With this change
OpenGL2 LIC seems to run much faster (at least 10X).

https://gitlab.kitware.com/vtk/vtk/merge_requests/2419

Hopefully it will test out OK and get merged into VTK and then merged into
ParaView.

On Mon, Dec 12, 2016 at 11:38 AM, Andy Smith <agsmith424 at gmail.com> wrote:

> Ken,
>
> You are correct in your assumption about my dataset; it is multiblock
> unstructured data.  Adding a MergeBlocks filter to my slice does improve
> the 5.2.0 with OpenGL2 significantly.
> With that change the performance of 5.2.0 with OpenGL2 is on the same
> order of magnitude as 5.2.0 with OpenGL and with 4.4.0, though the 5.2.0
> variants are still slower than 4.4.0.
>
> I realized after posting that my comparison is not exactly apples to
> apples - my build of 5.2.0 required updates to mesa (13.0.0) compared with
> the version I used for 4.4.0 (11.2.0).
> I will recompile 4.4.0 with the same mesa version I used with 5.2.0 and
> report back.
>
> Thank you for your input.
>
> -Andy
>
> On Fri, Dec 9, 2016 at 3:44 PM, Ken Martin <ken.martin at kitware.com> wrote:
>
>> I have not had time to look into this, but my quick guess is that you
>> have a multiblock dataset with a lot of blocks. Can you try merging the
>> blocks all together somehow into one block and see if the rendering speed
>> improves?
>>
>> On Tue, Nov 15, 2016 at 5:35 AM, Stefan Melber <Stefan.Melber at dlr.de>
>> wrote:
>>
>>> Hi,
>>>
>>>
>>> i have a problem which is there in all RCs (1-4) of current ParaView: if
>>> i compile the RenderingBackend to "OpenGL2" and use SurfaceLic the
>>> visualization time goes up from a few seconds (with "OpenGL") to many
>>> minutes and the memory consumption from a few GByte to approx 100 GByte.
>>> Switching back to OpenGL any thing is fine. Without SurfaceLIC the OpenGL2
>>> works although fine for me.
>>>
>>> Has any one tested OpenGL2 with SurfaceLIC-Plugin the last time and has
>>> (the same)  problems?
>>>
>>> o Kernel 4.7.6-1 / x86-64
>>> o Quadro 4000
>>> o NVidia driver v367.57
>>> o PV 5.2.0 RC1 - RC4
>>>
>>> Best regards,
>>>
>>>        Stefan
>>>
>>>
>>>
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>>
>>
>> --
>> Ken Martin PhD
>> Chairman & CFO
>> Kitware Inc.
>> 28 Corporate Drive
>> Clifton Park NY 12065
>> 518 371 3971 <(518)%20371-3971>
>>
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>


-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

This communication, including all attachments, contains confidential and
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