Jed Brown wrote:
> Thomas Witkowski wrote:
>
>   
>> Is there an easy way to find out, why Petsc must do some mallocs?
>>     
>
> try MatSetOption(A,MAT_NEW_NONZERO_ALLOCATION_ERR,PETSC_TRUE) and catch the 
> error in a debugger.
>   
That's exactly what I've search for. Thanks ...

Thomas
>
> Jed
>
>   

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