[petsc-users] about ksp

[Jed Brown]

On Mon, Aug 29, 2011 at 16:36, Likun Tan <likunt at andrew.cmu.edu> wrote:

> If i keep using the uncoupled small system and use ksp to solve the linear
> equations sequentially, there is nowhere i can take advantage of parallel
> computing.
>

How small are your systems? Maybe you should just create the same matrix on
every processor and do a direct solve with all the right hand sides.
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