[petsc-users] Problem with SNES

[Dominik Szczerba]

What does -info say about mallocs?

On Sat, Aug 27, 2011 at 8:04 PM, Milan Mitrovic
<milan.v.mitrovic at gmail.com> wrote:
> well... I added matrix elements by row (~150 nonzero elements) but I
> have 7.5k rows per processor... I know the exact nonzero pattern and I
> preallocated the storage so it is not that... and its all done
> locally... I couldn't insert blocks because there is no common
> structure to the nonzero pattern of different rows...
>
> so to me it seems that creating the matrix like this should be fast...
> computing the values took <3 seconds but the setvalues routine took
> more than a minute!
>
>