On Tue, Nov 10, 2015 at 1:33 AM, TAY wee-beng <[email protected]> wrote:
> Hi, > > I need a subroutine in Fortran to partition a subset of my grid in the 3 > x,y,z directions for MPI. I thought of using DMDACreate3d and > DMDAGetCorners to get the starting and width of the partitioned grid. > > Because I need to partition at every time step and the subset grid changes > dimension and index at every time step, so I will also need to use > DMDestroy after each time step > > Will that use alot of memory? Will the grid actually be created? So I > wonder if this DMDACreate3d and DMDestroy calls will take a lot of time. DMDA just does 1D partitioning in each dimension, so its not that sophisticated. Is that all you want? Matt > > -- > Thank you. > > Yours sincerely, > > TAY wee-beng > > -- 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
