Hi!
The upcoming FEniCS conference is a good opportunity for a directed push
in the development in FEniCS. There has been activity in parallel
computing in FEniCS over the last two years, but the critical mass to
make parallel performance an integral part of FEniCS has not yet been
attained.
I would like to float the idea of making parallel performance the target
for the conference. A realistic goal could be strong near-linear scaling
up to ~100 CPUs for a non-trivial PDE (e.g. Navier-Stokes).
Currently there are two branches of parallel development: 1. a branch
based on DOLFIN 0.8.0 (the work of Niclas Jansson at CTL/KTH) and 2. the
trunk of DOLFIN (joint effort by DOLFIN developers to integrate Niclas'
branch with other parallel work and DOLFIN updates). The performance
results are already there in 1, and progress has already been made in
the integration in 2 (helped nicely by Anders Logg hosting a week of
code in Smögen this fall).
Parallel computing is one of the key research areas of the CTL group at
KTH, and we intend to put significant effort into reaching the target,
given that this strategy is adopted. I think by making parallel
performance top priority in the project, it would also be a realistic
target, and open up the project to new applications, more exposure, etc.
Best,
Johan
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