[petsc-users] Improve in speed/efficiency from partitioning in 1 direction to 3 directions

[Aron Ahmadia]

This doesn't strike me as a particularly large problem.  I'm not sure
it's worth doing unless you are going to be looking at more unknowns
in the future.

A

On Tue, Sep 4, 2012 at 10:08 AM, TAY wee-beng <zonexo at gmail.com> wrote:
> Hi,
>
> My Fortran CFD code is currently partitioned in the z direction. Total grid
> size is around is 153x248x620. Hence depending on the no. of procs, the z
> direction 620 is partitioned. The grid size changes but the ratio is around
> there.
>
> Parititoning in 3 directions was initially too complex for me. However, it
> seems to be much simplified with the use of DM. However, there's still a lot
> of work to be done to make it working.
>
> I'm wondering how much improvement in speed/efficiency will I get, if I
> partition from 1 direction to 3 directions. Is it worth the effort?
>
> --
> Yours sincerely,
>
> TAY wee-beng
>

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