On Mar 18, 2014, at 8:04 PM, Mani Chandra <[email protected]> wrote: > Hi, > > I see a 4x increase in the memory usage when I change from DMDA_STENCIL_STAR > to DMDA_STENCIL_BOX. Attached are the outputs of -log_summary which shows a > huge increase in the matrix memory usage. Is this expected? > > On a different note, suppose I am running a serial calculation with no need > to exchange data but I am using corner node information,
How can you use corner node information if you are not exchanging it? You will be using incorrect data > do I need to use DMDA_STENCIL_BOX? Would the jacobian when computed using > colored finite differences be correctly represented if I use corner > information but still use DMDA_STENCIL_STAR? > > Thanks, > Mani > > > <dmda_stencil_box.txt><dmda_stencil_star.txt>
