dolfin team mailing list archive

[ridg@xxxxxxxxxxxxxxx (Ridgway Scott)]

This is valuable information. It will be interesting to see whether
FErari can improve this.

                                Ridg

> From my experience, solving time-dependent Navier-Stokes in 3d (linear
> elements on tetrahedrons), using PetSc both for inserting elements (as
> blocks) in assembling the "momentum matrix" and solving the resulting
> linear system with preconditioned GMRES, the amount of time spent on one
> assemble of the matrix can be roughly about 3 times the time for solving
> the system.
>
> /Johan