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? 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? Thanks, Mark > but lots of people > will need AIJ so it's certainly worthwhile. > > Mark Adams <[email protected]> writes: > > > Is there any plans/interest in assembling AIJ matrices on GPUs? > > > > I have a somewhat strangely balanced FE operator and I have each thread > > block create one element matrix, one thread per integration point with an > > expensive computation at each integration point. Then I assemble the > > matrices on the CPU. > > > > I want to parallelize assembly on GPU machines, with coloring or DD I > > assume. Does anyone else care about this? > > > > Thanks, > > Mark >
