Take a look at http://paraview.org/Wiki/images/6/65/ParaViewTutorial36.pdf starting page 75.
-berk On Wed, Oct 28, 2009 at 7:15 AM, chew ping <[email protected]> wrote: > Hi all, > > I'm doing parallel rendering using 1 client (dual core laptop) and 2 cluster > servers (dual core desktop) > below is the timer log result i collected when i run using np4 > > ----------------------------------------------------------------------------------------------- > Local Process > Still Render, 3.029 seconds > Execute vtkMPIMoveData id: 457, 1.98248 seconds > > > Server, Process 0 > Execute vtkFileSeriesReader id: 176, 0.637821 seconds > Execute vtkMPIMoveData id: 457, 1.49186 seconds > Dataserver gathering to 0, 0.829525 seconds > Dataserver sending to client, 0.661658 seconds > > Server, Process 1 > Execute vtkMPIMoveData id: 457, 0.141821 seconds > Dataserver gathering to 0, 0.141544 seconds > > Server, Process 2 > Execute vtkMPIMoveData id: 457, 0.243584 seconds > Dataserver gathering to 0, 0.243318 seconds > > Server, Process 3 > Execute vtkMPIMoveData id: 457, 0.191589 seconds > Dataserver gathering to 0, 0.191303 seconds > > ----------------------------------------------------------------------------------------------- > > I notice a relatively 'slow' rendering performance, so i wonder how the > results are gathered back and rendered. > > Case 1, > each process extracts the polygonal data, then send it back to process 0. > process 0 gather all results, combine with its own, create the final images, > then send it to the client > so process 0 is like the one gathering the jig saw puzzle and fixing them, > then give the whole thing for the client to render > > Case 2, > each process extracts the polygonal data, then send it back to process 0. > process 0 gather all results, then send it to the client, > the client creates a final image out of pieces of result collected from > process 0 > so client is the one getting the jig saw puzzle from process 0, fix them and > render it > > > i'm not sure which case is right or both are wrong, but i do suspect that it > will somehow effect the performance because my client has a lower > specification compare to the server. > > > Any help / reply is highly appreciated! > > Regards, > chewping > > > > > > > > > > > _______________________________________________ > 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 > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/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 Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview
