Is this with OpenGL1 or 2 back end? If you are using Kitware's binaries 4.4 will be OpenGL1 and 5.2 will be OpenGL2. If you built from source or got it from a distro then it might be otherwise.
David E DeMarle Kitware, Inc. R&D Engineer 21 Corporate Drive Clifton Park, NY 12065-8662 Phone: 518-881-4909 On Tue, Jan 3, 2017 at 6:08 AM, 张驭洲 <[email protected]> wrote: > > > Hi, > > I'm using PV 5.2.0 and PV 4.4.0 in the standalone mode rendering a > dataset, which contains 10M random points and is just for test. I found > after I turned off the display list as the PV User's Guide told me, the > Still Render process in PV5.2.0 takes longer time than in PV4.4.0. > > First, there is a NVIDIA GeForce GT 730 GPU in my computer, so I don't use > mesa. When rendering with the display list on as default, PV 5.2.0 is > faster than 4.4.0, which is reasonable. A truncated sample output of Timer > Log of PV 5.2.0 is as follows: > > RenderView::Update, 2.28551 seconds > vtkPVView::Update, 2.28539 seconds > Execute vtkFileSeriesReader id: 5063, 1.98558 seconds > Execute vtkGeometryRepresentationWithFa, 0.298828 seconds > LegacyVTKFileReader::GatherInformation, 0.300355 seconds > Still Render, 0.43975 seconds > & nbsp; OpenGL Dev Render, 0.334455 seconds > > And the counterpart in PV 4.4.0 is: > > RenderView::Update, 2.34043 seconds > vtkPVView::Update, 2.34034 seconds > Execute vtkFileSeriesReader id: 4734, 1.90546 seconds > Execute vtkGeometryRepresentationWithFa, 0.43377 seconds > LegacyVTKFileReader::GatherInformation, 0.440593 seconds > Still Render, 0.963793 seconds > OpenGL Dev Render, 0.806468 seconds > > While other processes take similar time, the Still Render process in PV > 5.2.0 takes less than half of that in PV 4.4.0. > The PV User's Guide recommends that when dealing with very large data, > turning off display list may help. I tried it and found in this situation > the Still Render process in PV 5.2.0 takes longer time than in PV 4.4.0. > > A truncated sample output of Timer Log of PV 5.2.0 when turning off > display list is as follows: > > RenderView::Update, 2.23385 seconds > vtkPVView::Update, 2.23374 seconds > Execute vtkFileSeriesReader id: 4914, 1.93566 seconds > Execute vtkGeometryRepresentationWithFa, 0.297103 seconds > LegacyVTKFileReader::GatherInformation, 0.301925 seconds > Still Render, 0.440343 seconds > OpenGL Dev Render, 0.335149 seconds > > And the counterpart in PV 4.4.0 is: > > RenderView::Update, 2.4048 seconds > vtkPVView::Update, 2.4047 seconds > Execute vtkFileSeriesReader id: 4733, 1.97007 seconds > Execute vtkGeometryRepresentationWithFa, 0.433521 seconds > LegacyVTKFileReader::GatherInformation, 0.440413 seconds > Still Render, 0.211394 seconds > OpenGL Dev Render, 0.205734 seconds > > While in PV 5.2.0 turning that option off had little effect on the running > time, it significantly reduced the Still Render time in PV 4.4.0 and made > the time less than half of that in PV 5.2.0. > > Could anyone tell me why this happening? Thanks a lot! > > -Zhang > > > > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at http://www.kitware.com/ > opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Search the list archives at: http://markmail.org/search/?q=ParaView > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/paraview > >
_______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Search the list archives at: http://markmail.org/search/?q=ParaView Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/paraview
