It is 27*27 with 343 non-zeros, i use LU for all the linear equations.
On Mon, August 29, 2011 5:46 pm, Jed Brown wrote: > 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. >
