CHKMEMQ

[Barry Smith]

   To emphasis Satish's point you should definitely use  
www.valgrind.org to remove
all the memory bugs before starting to use it with PETSc.

   valgrind is the closest thing to a magic bullet I have ever seen in  
computing.

    Barry


On Jul 23, 2008, at 1:04 PM, Satish Balay wrote:

> On Wed, 23 Jul 2008, Paul T. Bauman wrote:
>
>> Hello,
>>
>> Quick (and probably stupid) question: Does CHKMEMQ check *all* of  
>> memory used
>> by the program for corruption or just the memory PETSc allocated? I  
>> have a
>> code that I'm assigned to work on that doesn't use PETSc (yet), but  
>> I was
>> hoping to use this macro to track down what I think is a memory  
>> corruption
>> bug.
>
> CHKMEMQ checks memory allocated by PetscMalloc() - for
> out-of-bounds-write errors.
>
> Valgrind is a general tool for detecting many more types of memory
> corruption.
>
> Satish
>