serial
On Tue, Apr 9, 2013 at 8:21 PM, Kirk, Benjamin (JSC-EG311) <
benjamin.kir...@nasa.gov> wrote:
> Serial or parallel mesh?
>
>
>
> On Apr 9, 2013, at 9:16 PM, "Kirk, Benjamin (JSC-EG311)" <
> benjamin.kir...@nasa.gov> wrote:
>
> > Hmm - I'll look through that section of code tomorrow morning and see if
> there could possibly be any mismatched send/receives or anything.
> >
> > -Ben
> >
> > On Apr 9, 2013, at 8:48 PM, "Derek Gaston" <fried...@gmail.com> wrote:
> >
> >> Hey guys,
> >>
> >> I've got a fairly large job (>3500 procs) that is hanging while trying
> to setup the mesh. The procs are in 2 separate places. ~Half of them are
> here:
> >>
> >> #35 0x00002b1746aea7f0 in
> libMesh::Parallel::Communicator::send_receive<Hilbert::HilbertIndices> ()
> from /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >> #36 0x00002b1746afc17b in void
> libMesh::MeshCommunication::find_global_indices<libMesh::MeshBase::element_iterator>(libMesh::MeshTools::BoundingBox
> const&, libMesh::MeshBase::element_iterator const&,
> libMesh::MeshBase::element_iterator const&, std::vector<unsigned int,
> std::allocator<unsigned int> >&) const () from
> /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >> #37 0x00002b1746c78528 in
> libMesh::Partitioner::partition_unpartitioned_elements(libMesh::MeshBase&,
> unsigned int) () from
> /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >> #38 0x00002b1746c7b3e5 in
> libMesh::Partitioner::partition(libMesh::MeshBase&, unsigned int) () from
> /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >> #39 0x00002b1746ad1d32 in libMesh::MeshBase::prepare_for_use(bool) ()
> from /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >>
> >>
> >> And the other ~half are here:
> >>
> >> #6 0x00002ba5c95c8b90 in
> libMesh::Parallel::Communicator::send_receive<unsigned int> () from
> /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >> #7 0x00002ba5c95da2e2 in void
> libMesh::MeshCommunication::find_global_indices<libMesh::MeshBase::element_iterator>(libMesh::MeshTools::BoundingBox
> const&, libMesh::MeshBase::element_iterator const&,
> libMesh::MeshBase::element_iterator const&, std::vector<unsigned int,
> std::allocator<unsigned int> >&) const () from
> /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >> #8 0x00002ba5c9756528 in
> libMesh::Partitioner::partition_unpartitioned_elements(libMesh::MeshBase&,
> unsigned int) () from
> /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >> #9 0x00002ba5c97593e5 in
> libMesh::Partitioner::partition(libMesh::MeshBase&, unsigned int) () from
> /home/gastdr/projects/fission/libmesh/lib/libmesh_oprof.so.0
> >>
> >>
> >>
> >> Obviously they are in slightly different spots...
> >>
> >>
> >> Any ideas on what's going on here or where to start looking?
> >>
> >> I was intermittently getting weird errors around this point from
> mvapich so I've tried to switch to OpenMPI.... and it's hanging up here.
> >>
> >> The mesh itself isn't enormous... it's only about 1 million nodes or
> so. We've definitely done more than this before.
> >>
> >> Thanks in advance for any advice!
> >>
> >> Derek
> >>
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> >
> >
> ------------------------------------------------------------------------------
> > Precog is a next-generation analytics platform capable of advanced
> > analytics on semi-structured data. The platform includes APIs for
> building
> > apps and a phenomenal toolset for data science. Developers can use
> > our toolset for easy data analysis & visualization. Get a free account!
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>
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analytics on semi-structured data. The platform includes APIs for building
apps and a phenomenal toolset for data science. Developers can use
our toolset for easy data analysis & visualization. Get a free account!
http://www2.precog.com/precogplatform/slashdotnewsletter
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