Re: [Libmesh-users] Stiffness assembling is very slow at the first time

[John P. <jwp...@gm...>]

It should not take 2 hours to assemble a system with 15,000 dofs.
Something is seriously wrong, perhaps you are in debug mode?

-J

On Tue, Mar 18, 2008 at 9:02 PM, Shengli Xu <she...@gm...> wrote:
> Hi, Libmesh Users
>  I find the stiffness matrix assembling is very slow at the first time. But
>  it is very quickly at the second time and laters for the same system.
>  It needs 2 hours to assemble the stiffness matrix of the 3d stokes system
>  with 15,000 dofs. How to speed up the process of assembling the system
>  stiffness matrix at the first time?
>  I find the similar question in the maillist. The title is "assembling a
>  PetscMatrix".
>
>  Sincerely
>  Shengli
>
>
>  --
>  Best regards,
>
>  Yours sincerely
>  ShengliXu
>  Department of Engineering Mechanics
>  State Key Laboratory of Structural Analysis for Industrial Equipment
>  Dalian University of Technology
>  Dalian, 116023, P. R. China
>  Email: she...@gm...
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