On Mon, Aug 28, 2017 at 9:17 AM, Toon Weyens <[email protected]> wrote:
> Very interesting! I might try this afterwards, with H2lib. > > Also, I must say that the strumpack interface looks promising. What did > you mean by "only for the sparse part", by the way? Also, any idea when it > is going to be released in an official petsc release, preferably with some > documentation? > I thought STRUMPACK was in 3.7.6 Matt > Thanks! > > On Mon, Aug 28, 2017 at 12:15 PM Jose E. Roman <[email protected]> wrote: > >> >> > El 28 ago 2017, a las 10:15, Toon Weyens <[email protected]> escribió: >> > >> > Thank you Barry, that explains why I couldn't find information about >> it. I am now going to implement this straight-forward implementation as a >> first step. >> > >> > In the long term it would in any case be useful to have a solver that >> uses H-matrices, such as H2lib. >> > >> > Is there any chance Petsc is thinking about moving to this kind of >> matrices as well in the future? >> > >> > >> >> You can use H2lib in a PETSc program by wrapping it in a shell matrix. We >> did this some time ago https://doi.org/10.1016/j.cam.2012.07.021 >> >> Also, PETSc has an interface to STRUMPACK, but only to the sparse part >> and I guess what you need is the dense part. >> >> Jose >> >> -- 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 http://www.caam.rice.edu/~mk51/
