On Fri, Mar 14, 2014 at 4:13 AM, Florian Meier <[email protected]>wrote:
> Hi, > I got quite far with my project, although I still have not managed (or > better "have not tried...") to get the parallelization running (Shri: > Any news about that?). > > Now I would like to add a single global variable (and a single equation) > to the equation system. Is there an elegant way to do this with DMCircuit? > > A hackish solution might be to add an additional imaginary vertex that > is excluded from all other calculations, but that does not seem to be > the right way to do it. > The graph expresses the influence of variables on each other, so if you have a globally coupled variable, then a node linked to all other nodes is the appropriate structure. The problem is that this is not scalable since it will result in a dense row. I would do this for now. And when your problem is large enough for this to be a drag on scalability (thousands of processes), switch to specialized code. Matt > Greetings, > Florian > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
