BTW, I've reported the reexecution of the Threshold1 geometry generation stage as a bug here: https://gitlab.kitware.com/paraview/paraview/issues/18293
Utkarsh On Thu, Jul 12, 2018 at 10:25 AM Utkarsh Ayachit <[email protected]> wrote: > > Ole, > > That indeed doesn't sound like expected behavior. A few questions > before we can diagnose what's going on: when you say "adding a second > threshold to the first slows things down heavily, even though > threshold 2 is not rendered", can you explain what do you mean by > that? Here what I did: selected the Threshold1 in the PIpeline Browser > and created nother Threshold (leaving values as default). I haven't > hit Apply yet, since as soon as I do, ParaVIew will show Threshold2's > output. At this point, I don't see any change in rendering/update > times. If I hit "Apply", Threshold2 executes and hence the Update > takes time, as expected. At this point, if I hide "Threshold2" and > turn on "Threshold1", the first render is a little slower since the > representation is regenerating the geometry for Threshold1 -- that's > indeed a bug and we'll track that down. Subsequent renders, however, > seem unaffected. What am I doing wrong? > > Utkarsh > On Thu, Jul 12, 2018 at 5:11 AM Ole Numssen <[email protected]> wrote: > > > > Hello there, > > > > I'm experiencing some strange performance/timing differences when creating > > animations with paraview 5.5.2 on Ubuntu 16.04 for different filter > > combinations. > > > > I think I've broken it down to a minimal example. It seems to be of > > importance, if the rendered Filter has a child-filter or not, independent > > of this child filter being rendered. > > I've taken some timings for a 2-frame animation to make things clear. I've > > attached the complete Timer Log output for the 4 different setups shown > > below. > > > > Filters shown as in the pipeline browser. I've loaded an .xdmf/.hdf5 file, > > Multi-block and Multi-pice Dataset, ~8.5M Cells, ~2MPoints on a i7-4770K > > CPU @ 3.50GH 4 core machine, 24G Ram, Titan XP gpu. > > > > 1) quite fast at first > > file.xdmf (not rendered) > > | Threshold 1 (rendered) > > > > -> Frame 1: 0.00056 seconds > > -> Frame 2: 0.000385 seconds > > > > 2) adding a second threshold to the first slows things down heavily, even > > though threshold 2 is not rendered. > > file.xdmf (not rendered) > > | Threshold 1 (rendered) > > -| Threshold 2 (not rendered) > > > > -> Frame 1: 10.1624 seconds > > -> Frame 2: 10.1568 seconds > > > > > > 3) deleting threshold 2 speeds things up a little (only frame 2) > > file.xdmf (not rendered) > > | Threshold 1 (rendered) > > -| Threshold 2 (not rendered) > > > > -> Frame 1: 0.000553 seconds > > -> Frame 2: 9.87154 seconds > > > > > > 4) deleting threshold 1 and creating it again leads to fast animation again: > > file.xdmf (not rendered) > > | Threshold 1 (rendered) > > > > -> Frame 1: 0.000475 seconds > > -> Frame 2: 0.000489 seconds > > > > > > Is this the intended behavior? At least for me it is not the expected > > behavior, as the rendered image/data is exactly the same for all of the 4 > > states shown above. > > > > Cheers, > > Ole_______________________________________________ > > Powered by www.kitware.com > > > > ParaView discussion is moving! Please visit https://discourse.paraview.org/ > > for future posts. > > > > 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: > > https://public.kitware.com/mailman/listinfo/paraview _______________________________________________ Powered by www.kitware.com ParaView discussion is moving! Please visit https://discourse.paraview.org/ for future posts. 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: https://public.kitware.com/mailman/listinfo/paraview
