dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Fri, Mar 09, 2012 at 02:46:43PM +0000, Garth N. Wells wrote:
> On 9 March 2012 13:58, Marco Morandini <morandini@xxxxxxxxxxxxxx> wrote:
> > This commit
> >
> > http://bazaar.launchpad.net/~dolfin-core/dolfin/1.0.x/revision/6520
> >
> > to the 1.0.x branch has not been applied to mainline.
> >
>
> I've cherry picked this change from 1.0 and push it to lp:dolfin.

Sorry about this, I forgot to merge.

--
Anders


> > That said, even with this fix applied repeatedly solving a nonlinear problem
> > (without re-creating the problem or the solver, but only changing the
> > boundary conditions) the Jacobian matrix connectivity is
> > computed each time solve() is called.
> > This is because both the NonlinearDiscreteProblem and the NewtonSolver
> > are re-created whenever solve() is called.
> > And this, at least for my time-stepping application means
> > a lot of wasted time if I run without adaptivity.
> >
> > Could someone review the patch applied to the branch below?
> >
>
> Sure - could you update it to lp:dolfin following the changes I just
> pushed and then make a merge request on Launchpad?
>
> Garth
>
>
> > https://code.launchpad.net/~morandini/dolfin/resetjacobian
> >
> > It seems to work for me, but I'm not at all sure
> > that it will not break things.
> >
> > Thanks in advance,
> >
> > Marco Morandini
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~dolfin
> > Post to     : dolfin@xxxxxxxxxxxxxxxxxxx
> > Unsubscribe : https://launchpad.net/~dolfin
> > More help   : https://help.launchpad.net/ListHelp
>
> _______________________________________________
> Mailing list: https://launchpad.net/~dolfin
> Post to     : dolfin@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~dolfin
> More help   : https://help.launchpad.net/ListHelp