On Mon, Dec 30, 2013 at 11:27 PM, Victor Eijkhout <[email protected]>wrote:
> > On Dec 30, 2013, at 10:49 PM, Matthew Knepley <[email protected]> > wrote: > > How hard is it to make your code do 2D DAs? > > > Probably not hard. But > 1. This is not intended as a production code. > 2. I am mostly concerned with the communication part. > 3. Ergo, the local computation part of each task is hard-coded. > (Determination of the halo and all that.) It will take some serious > compiler technology to automate that and right now I don't even pretend to > make an attempt at that. > I don't care at all about the local computation. The communication setup for DA is one of the uglist parts of PETSc. Automating that would be a serious advance. Matt > > Victor. > -- > Victor Eijkhout, 512 471 5809 (w) > Texas Advanced Computing Center, > The University of Texas at Austin > > > > -- 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
