[Paraview] Fwd: Rendering speed sluggish using cluster

Tue Apr 14 11:08:27 EDT 2015

Good to know it's working. If you haven't seen already, the ParaView
Guide's Chapter 15 covers details on various parallel rendering
parameters, which may come in handy. You can download the free PDF
from here [1], if needed.

Utkarsh

[1] http://www.paraview.org/paraview-guide/

On Mon, Apr 13, 2015 at 10:31 PM, Christian Butcher
<christian.butcher at oist.jp> wrote:
> Utkarsh,
>
> Previously, it was not okay when interacting with the 3D view.
>
> Now, however, I have recompiled ParaView (both on the cluster and on
> my workstation), and with settings at:
>
> Remote Render Threshold : 0 (I don't think this was the culprit - it
> was already low, but this makes it certain, I suppose)
> Still Render Image Reduction Factor : 1 (I can't increase this, or I
> seem unable to see the features of interest)
> Image Reduction Factor : 8 (I'm uncertain if this is helpful, but
> certainly the description would indicate it may be the option of
> interest)
>
> and
> mpirun -np 12 path/pvserver --use-offscreen-rendering
> each having a maximum of 16G RAM and an IB connection between nodes,
> the problem is vastly reduced/gone.
>
> I'm sorry I can't be more specific as to what changed to make this so
> much smoother - there are still delays, but now these are just a few
> seconds, and that seems reasonable, compared with the multiple minute
> lockups previously experienced.
>
> I suspect I might have had some combination of poorly chosen
> compilation options, and poorly chosen rendering settings.
>
> Best,
>
> Christian
>
> On 13 April 2015 at 23:58, Utkarsh Ayachit <utkarsh.ayachit at kitware.com> wrote:
>> Christian,
>>
>> Sorry for the late reply, just saw this email.
>>
>> You say things are slow when moving the scalar bar or resizing. Does
>> that mean things are okay when interacting with the 3D view?
>>
>> Utkarsh
>>
>> On Tue, Mar 24, 2015 at 2:18 AM, Christian Butcher
>> <christian.butcher at oist.jp> wrote:
>>> Dear ParaView Users,
>>>
>>> I'm rendering a pseudo-2D data set of approx 7 million cells, running
>>> 'mpirun ... pvserver'.
>>>
>>> I can connect remotely. The cluster does not have graphics cards
>>> installed, so I'm using the '--use-offscreen-rendering' flag.
>>>
>>> The client options for 'Remote Render Threshold' and 'LODThreshold'
>>> are both set to 0.
>>>
>>> On the cluster, I'm currently trying with 48 cores each using 16GB
>>> RAM, just in case I was previously using too little. I'm pretty sure
>>> this is overkill - certainly the problem seems comparable to when I
>>> run it on 8 cores each using 4GB RAM etc.
>>>
>>> I suspect I'm just not using the software well, or have installed
>>> either the client or (more likely?) the cluster's pvserver badly.
>>>
>>> Both are using 4.2.0, client has version "4.2.0-287-g1631961 64-bit",
>>> pvserver returns just "4.2.0" as the version.
>>>
>>> When changing any aspect of the render view, the client becomes
>>> unresponsive/sluggish for long periods of time. This includes, for
>>> example, moving the coloring scale bar across the screen.
>>>
>>> I'm sure I'm missing something obvious (like a step to cut down the
>>> requirements on the client workstation, for example).
>>>
>>> What should I be doing differently?
>>>
>>> The script I used to start ccmake is below - other options were left
>>> at default values (iirc):
>>>
>>> ccmake \
>>>         -DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo \
>>>         -DCMAKE_CXX_COMPILER:FILEPATH=/apps/gnu/openmpi.gcc/1.8.3/bin/mpic++ \
>>>         -DCMAKE_C_COMPILER:FILEPATH=/apps/gnu/openmpi.gcc/1.8.3/bin/mpicc \
>>>         -DCMAKE_Fortran_COMPILER:FILEPATH=/apps/gnu/openmpi.gcc/1.8.3/bin/mpifort
>>> \
>>>         -DPARAVIEW_USE_MPI:BOOL=ON \
>>> \
>>>         -DCMAKE_INSTALL_PREFIX:PATH=/home/c/christian-butcher/Applications \
>>>         -DBoost_INCLUDE_DIR:PATH=/home/c/christian-butcher/Applications/include
>>> \
>>>         -DBoost_LIBRARY_DIRS:FILEPATH=/home/c/christian-butcher/Applications/lib
>>> \
>>> \
>>>         -DPARAVIEW_BUILD_QT_GUI:BOOL=OFF \
>>>         -DBUILD_TESTING:BOOL=OFF \
>>>         -DBUILD_EXAMPLES:BOOL=FALSE \
>>>         -DBUILD_SHARED_LIBS:BOOL=ON \
>>>         -DBUILD_DOCUMENTATION:BOOL=OFF \
>>>         -DPARAVIEW_INSTALL_DEVELOPMENT_FILES:BOOL=ON \
>>> \
>>>         -DPARAVIEW_ENABLE_FFMPEG:BOOL=ON \
>>>         -DPARAVIEW_USE_VISITBRIDGE:BOOL=ON \
>>> \
>>>         -DVTK_OPENGL_HAS_OSMESA:BOOL=ON \
>>>         -DVTK_USE_OFFSCREEN:BOOL=ON \
>>>         -DVISIT_BUILD_READER_GMV:BOOL=OFF \
>>> \
>>>         -DPARAVIEW_BUILD_PLUGIN_AnalyzeNIfTIIO:BOOL=OFF \
>>>         -DPARAVIEW_BUILD_PLUGIN_H5PartReader:BOOL=ON \
>>>         -DPARAVIEW_BUILD_PLUGIN_GMVReader:BOOL=FALSE \
>>>         -DPARAVIEW_BUILD_PLUGIN_Moments:BOOL=FALSE \
>>>         -DPARAVIEW_BUILD_PLUGIN_PacMan:BOOL=FALSE \
>>>         -DPARAVIEW_BUILD_PLUGIN_SLACTools:BOOL=FALSE \
>>>         -DPARAVIEW_BUILD_PLUGIN_SciberQuestToolKit:BOOL=FALSE \
>>>         -DPARAVIEW_BUILD_PLUGIN_SierraPlotTools:BOOL=FALSE \
>>> \
>>>         -DVTK_USE_SYSTEM_ZLIB:BOOL=ON \
>>>         -DVTK_USE_SYSTEM_EXPAT:BOOL=ON \
>>>         -DVTK_USE_X:BOOL=OFF \
>>> \
>>> -DModule_vtkFiltersParallelGeometry=ON \
>>> -DModule_vtkFiltersSMP=ON \
>>> -DModule_vtkFiltersSelection=ON \
>>> -DModule_vtkIOMPIParallel=ON \
>>> -DModule_vtkImagingMath=ON \
>>> -DModule_vtkImagingStatistics=ON \
>>> -DModule_vtkImagingStencil=ON \
>>> \
>>>         -DOPENGL_INCLUDE_DIR:PATH=/home/c/christian-butcher/Applications/include
>>> \
>>>         -DOPENGL_gl_LIBRARY:FILEPATH=/home/c/christian-butcher/Applications/lib/libOSMesa.so
>>> \
>>>         -DOPENGL_glu_LIBRARY:FILEPATH=/home/c/christian-butcher/Applications/lib/libGLU.so
>>> \
>>>         -DOSMESA_LIBRARY:FILEPATH=/home/c/christian-butcher/Applications/lib/libOSMesa.so
>>> \
>>>         -DOSMESA_INCLUDE_DIR:PATH=/home/c/christian-butcher/Applications/include
>>> \
>>>         $APPS/source/git-sources/ParaView
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