[petsc-users] Threaded Petsc

[Barry Smith]

On Oct 15, 2012, at 7:38 PM, Subramanya G <subramanya.g at gmail.com> wrote:

> Hi ,
> I need iterative solvers for some of my code and I was planning to use
> petsc for it. Owing to the fact that some other parts of my code
> aren't parallelizable, I can't use petsc in parallel. However, I see
> that petsc can do threads now.. I have a small question about this .
> Does this allow me to assemble a matrix in the main thread. and then
> when solve is called will petsc take care of using multiple threads?

   Yes

> Will this give me any speed ups?

  Yes

   You need to use petsc-dev for this functionality and let us know if you have difficulties.

   Barry

> Thanks/
> Subramanya G Sadasiva,
> 
> Graduate Research Assistant,
> Hierarchical Design and Characterization Laboratory,
> School of Mechanical Engineering,
> Purdue University.
> 
> "The art of structure is where to put the holes"
> Robert Le Ricolais, 1894-1977