[petsc-users] MatAXPY, creations and destructions

Lukasz Kaczmarczyk Lukasz.Kaczmarczyk at glasgow.ac.uk
Thu Nov 7 13:01:58 CST 2013


Hello,

Just to confirm. More destructions than creations after use MatAXPY it is known bug in petsc? Could you confirm that you have the same problem, or it is something unique to my implementation.


Regards,
Lukasz

On 4 Nov 2013, at 23:22, Lukasz Kaczmarczyk <Lukasz.Kaczmarczyk at glasgow.ac.uk> wrote:

> Hello All,
> 
> I use MatAXPY (DIFFERENT_NONZERO_PATTERN), with petsc-3.4.3. Works ok, no problem, however in -log_summary as result  MatAXPY I have more destructions than creations, each time MatAXPY was used. I have tested this for MATMPIAIJ.
> 
> Valgring don't show anything wrong with that.  
> 
> 
> Kind regards,
> Lukasz



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