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[HG DOLFIN] Fix demo.

 

One or more new changesets pushed to the primary dolfin repository.
A short summary of the last three changesets is included below.

changeset:   7069:9c5b554a6500da11eaee67c1b05fad06aa3968cc
tag:         tip
user:        "Ola Skavhaug <skavhaug@xxxxxxxxx>"
date:        Tue Sep 15 15:51:01 2009 +0200
files:       demo/mesh/meshfunction/cpp/main.cpp
description:
Fix demo.


changeset:   7068:d92f4a7dd1fb055652c4e7fb9c948a7c7d8da5e2
user:        "Johan Hake <hake@xxxxxxxxx>"
date:        Tue Sep 15 14:48:32 2009 +0200
files:       dolfin/dolfin.h dolfin/swig/docstrings.i dolfin/swig/headers.i
description:
Fix a regression bug when plotting from C++


changeset:   7067:5efbfb16a1b8aab6be985d739d085a8b73afb707
user:        Anders Logg <logg@xxxxxxxxx>
date:        Tue Sep 15 14:04:39 2009 +0200
files:       bench/fem/speedup/Poisson.h bench/fem/speedup/Poisson.ufl bench/fem/speedup/SConstruct bench/fem/speedup/assemble-poisson.cpp bench/fem/speedup/bench bench/fem/speedup/bench.log bench/fem/speedup/run-bench bench/fem/speedup/solve-poisson.cpp
description:
Add first version of script for testing parallel speedup. Run with ./bench.

Have not tried on a big problem or a machine with many processors.
Example results from my dual-core laptop on a very small problem:

Speedup  |  Assemble  Assemble + solve
--------------------------------------
1        |         1                 1
2        |         1           0.75439
3        |   0.83333           0.54386
4        |   0.83333            0.5614
5        |       0.5           0.54386
6        |       0.5           0.57895
7        |   0.33333           0.66667
8        |   0.33333           0.64912

(Negative speedups)

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For more details, visit http://www.fenics.org/hg/dolfin