dolfin team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

On Friday September 16 2011 09:34:26 Garth N. Wells wrote:
> On 16 September 2011 17:31, Johan Hake <johan.hake@xxxxxxxxx> wrote:
> > Nice!
> > 
> > cpp demo works for me (Btw: the plotting is wrong in the cpp demo), but
> > python breaks with the following assert:
> > 
> > [hake@bamse] ../neumann-poisson/python > mpirun -n 2 python demo_neumann-
> > poisson.py
> > Process 0: Number of global vertices: 4225
> > Process 0: Number of global cells: 8192
> > Process 1: Partitioned mesh, edge cut is 89.
> > Process 0: Partitioned mesh, edge cut is 89.
> > python:
> > /home/hake/bzr/fenics/dolfin/work/dolfin/fem/DofMapBuilder.cpp:236:
> > static void
> > dolfin::DofMapBuilder::compute_ownership(dolfin::DofMapBuilder::set&,
> > dolfin::DofMapBuilder::set&, dolfin::DofMapBuilder::set&, const
> > dolfin::DofMap&, const dolfin::DofMapBuilder::set&, const dolfin::Mesh&):
> > Assertion `MPI::sum(_owned_dim) == dofmap.global_dimension()' failed.
> > [bamse:06853] *** Process received signal ***
> > [bamse:06853] Signal: Aborted (6)
> > [bamse:06853] Signal code:  (-6)
> > python:
> > /home/hake/bzr/fenics/dolfin/work/dolfin/fem/DofMapBuilder.cpp:236:
> > static void
> > dolfin::DofMapBuilder::compute_ownership(dolfin::DofMapBuilder::set&,
> > dolfin::DofMapBuilder::set&, dolfin::DofMapBuilder::set&, const
> > dolfin::DofMap&, const dolfin::DofMapBuilder::set&, const dolfin::Mesh&):
> > Assertion `MPI::sum(_owned_dim) == dofmap.global_dimension()' failed.
> > [bamse:06854] *** Process received signal ***
> > 
> > Any suggestions?
> 
> Have you updated FFC and run instant-clean?

Details...

But it worked fine after your suggestions ;)

How are the global dofs distributed? Are they present on all processes, or are 
they present on just one process?

Johan

> Garth
> 
> > Johan
> > 
> > On Friday September 16 2011 05:12:14 noreply@xxxxxxxxxxxxx wrote:
> >> ------------------------------------------------------------
> >> revno: 6201
> >> committer: Garth N. Wells <gnw20@xxxxxxxxx>
> >> branch nick: dolfin-wells
> >> timestamp: Fri 2011-09-16 12:43:32 +0100
> >> message:
> >>   Add support for global dofs (e.g. Lagrange multipliers) in parallel.
> >> modified:
> >>   demo/undocumented/neumann-poisson/cpp/main.cpp
> >>   demo/undocumented/neumann-poisson/python/demo_neumann-poisson.py
> >>   dolfin/fem/DofMapBuilder.cpp
> >>   dolfin/fem/DofMapBuilder.h
> >>   test/regression/test.py
> >> 
> >> 
> >> --
> >> lp:dolfin
> >> https://code.launchpad.net/~dolfin-core/dolfin/main
> >> 
> >> Your team DOLFIN Core Team is subscribed to branch lp:dolfin.
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> > 
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