On Thu, Dec 31, 2020 at 1:50 PM Mark Adams <[email protected]> wrote: > On Thu, Dec 31, 2020 at 1:12 PM Matthew Knepley <[email protected]> wrote: > >> On Thu, Dec 31, 2020 at 12:46 PM Mark Adams <[email protected]> wrote: >> >>> Still missing something: >>> >> >> You can get in the debugger in PCFieldSplitSetDefaults(), but the most >> likely thing is that pc->dm == NULL here, >> > > the setuponblocks PC does have a DM and it is a cusparse mattype. >
Then go in the debugger and see why that option is not being used. Matt > > >> so the PC is not getting the DM. >> This does make some sense as you are doing ASM, which is ripping up the >> domain, so you might not want the same DM on the subproblem. I >> am not sure what should be done here. >> >> -- 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 https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
