On Sun, Mar 29, 2020 at 7:51 PM Jed Brown <[email protected]> wrote: > 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?
No. And I am using p4est grids. > Does your nonzero pattern > change frequently? >
