Mark Adams <[email protected]> writes: > On Sun, Mar 29, 2020 at 6:20 PM Jed Brown <[email protected]> wrote: > >> We are interested in assembling point-block diagonals for use in >> pbjacobi smoothing. This is much simpler than AIJ, > > > Would the coloring/DD algo on the outside be the same, just with a > different assembly kernel?
In one mode, though we can also do analytic stuff on the inside to avoid coloring (in which case we produce a bunch of elements or block-diagonal blocks). > Or are you looking a fusing the element construction with assembly? That > seems reasonable now that I think about it. > > It's the same coloring, right? > > And, do we have an appropriate coloring method now? Are you asking for a GPU-native coloring? Does your nonzero pattern change frequently?
