[Paraview] Paraview v5.1.2: SurfaceLIC & software rendering issues

[Ken Martin]

Running from the GUI with mpi and 2 nodes seems to maintain the background
on my quick tests. Could you update your script to use the shuttle dataset?
I included a copy of that data on this email. That would make it easier to
debug.

Thanks
Ken



On Mon, Sep 26, 2016 at 4:55 AM, Albina, Frank <
frank.albina at sauber-motorsport.com> wrote:

> Dear all,
>
>
>
> I have downloaded from the paraview.org the latest binaries for Linux of
> ParaView v5.1.2. My main purpose is to make use of ParaView with software
> rendering in a clustered environment without GPU and, as such, I have been
> going through my small benchmark on a generic F1 car.
>
>
>
> This what I have found so far when generating a SurfaceLIC representation
> on the whole car surface in batch mode.
>
>
>
> Using pvbatch –mesa-llvm works fine. This is one of the produced images
> for reference:
>
> Using 4 cores to perform the same task (with the same script) with mpiexec
> –np 4 pvbatch --mesa-llvm shows a good speed-up but the background is black
> instead of white (although view.Backgound = [1,1,1] is set explicitely), as
> shown hereafter:
>
>
>
>
>
> On the same server (Intel Xeon ES-2650 v3), the CPU is AVX2 capable, so I
> tried also the same script with pvbatch --mesa-swr-avx2. The image
> background is corrupted with leftover frames apparently, as shown hereafter:
>
>
>
> Was this behavior to be expected?
>
>
>
> Please let me know if there is any interest in providing with my benchmark.
>
>
>
> *Frank Albina*
>
>
>
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-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

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