[Paraview] big delays in parallel

[Paul Edwards]

I've tried attaching a debugger and it seems to be waiting for
communications on the socket whenever I stop it.  I can only assume it is an
issue with the MPI setup on the system I am using.  When I launch on the
main cluster and connect I do not experience this problem.

Regards,
Paul

On 5 May 2010 16:08, Utkarsh Ayachit <utkarsh.ayachit at kitware.com> wrote:

> Paul,
>
> Looking at the log, doesn't look like any of the filters is taking
> time. Any possibility of attaching to the server processes while it's
> waiting and looking at the call stack? I could not reproduce this on
> my machine, fyi.
>
> Utkarsh
>
> On Tue, May 4, 2010 at 10:03 AM, Paul Edwards <paul.m.edwards at gmail.com>
> wrote:
> > Below is the timer log - I cleared the log and reapplied the extract
> block
> > filter:
> >
> >
> 8<------------------------------------------------------------------------
> > Local Process
> > Still Render,  0.232783 seconds
> >     Execute vtkPolyDataMapper id: 253,  0.000132 seconds
> > Still Render,  0.296391 seconds
> >     Execute vtkMPIMoveData id: 21893,  0.04249 seconds
> >     Execute vtkPolyDataMapper id: 21532,  0.000242 seconds
> >     Execute vtkPolyDataMapper id: 253,  9.8e-05 seconds
> >     Execute vtkPolyDataMapper id: 21532,  7.1e-05 seconds
> >
> >
> >
> > Server, Process 0
> > Execute vtkExtractBlock id: 21466,  0.00187 seconds
> > Execute vtkPVGeometryFilter id: 21526,  0.003053 seconds
> >     vtkPVGeometryFilter::RequestData,  0.001736 seconds
> >         vtkPVGeometryFilter::RequestCompositeDa,  0.001698 seconds
> >             vtkPVGeometryFilter::CheckAttributes,  3.5e-05 seconds
> >             vtkPVGeometryFilter::ExecuteCompositeDa,  0.000278 seconds
> >             vtkPVGeometryFilter::FillPartialArrays,  4.8e-05 seconds
> >             Append Blocks,  0.000162 seconds
> >     vtkPVGeometryFilter::GarbageCollect,  0.00111 seconds
> > Execute vtkPVCacheKeeper id: 21890,  0.000132 seconds
> > Execute vtkMPIMoveData id: 21893,  0.007764 seconds
> >     Dataserver gathering to 0,  0.00541 seconds
> >     Dataserver sending to client,  0.001424 seconds
> > Execute vtkOrderedCompositeDistributor ,  0.000284 seconds
> >
> > Server, Process 1
> > Execute vtkExtractBlock id: 21466,  0.001936 seconds
> > Execute vtkPVGeometryFilter id: 21526,  0.002713 seconds
> >     vtkPVGeometryFilter::RequestData,  0.001588 seconds
> >         vtkPVGeometryFilter::RequestCompositeDa,  0.001561 seconds
> >             vtkPVGeometryFilter::CheckAttributes,  4e-05 seconds
> >             vtkPVGeometryFilter::ExecuteCompositeDa,  0.000226 seconds
> >             vtkPVGeometryFilter::FillPartialArrays,  5.5e-05 seconds
> >             Append Blocks,  0.000183 seconds
> >     vtkPVGeometryFilter::GarbageCollect,  0.000989 seconds
> > Execute vtkPVCacheKeeper id: 21890,  6.9e-05 seconds
> > Execute vtkMPIMoveData id: 21893,  0.001792 seconds
> >     Dataserver gathering to 0,  0.001589 seconds
> > Execute vtkOrderedCompositeDistributor ,  0.000171 seconds
> >
> ------------------------------------------------------------------------>8
> > Regards,
> > Paul
> > On 4 May 2010 14:42, David E DeMarle <dave.demarle at kitware.com> wrote:
> >>
> >> Can you post the (Tools->)Timer log?
> >>
> >> David E DeMarle
> >> Kitware, Inc.
> >> R&D Engineer
> >> 28 Corporate Drive
> >> Clifton Park, NY 12065-8662
> >> Phone: 518-371-3971 x109
> >>
> >>
> >>
> >> On Tue, May 4, 2010 at 9:02 AM, Paul Edwards <paul.m.edwards at gmail.com>
> >> wrote:
> >> > Hi,
> >> > I'm noticing big delays when running in ParaView in parallel (running
> 2
> >> > cores on latest ParaView version with OpenMPI v1.2.6).  To reproduce:
> >> >
> >> > create sphere
> >> > create cone
> >> > group datasets (group the sphere and cone)
> >> > extract block (and select one of the objects)
> >> >
> >> > The first time the extract block filter is called it will hang for
> about
> >> > 15
> >> > seconds.  After the first update it is instant when reapplying after
> >> > changing the block to extract.  But, this will happen again if I
> delete
> >> > the
> >> > extract block filter and add another one.  I tried debugging this but
> >> > the
> >> > hanging occurs after the RequestData for both processes.  Does anyone
> >> > know
> >> > what could be happening?  Or, can anyone give any advice for what to
> >> > try?
> >> > Thanks in advance,
> >> > Paul
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> >
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