[Trilinos-Users] Question about FillComplete for EpetraCRS matrix

[Heroux, Michael A]

Have you tried a memory checking tool on your code?  This looks a bit like a memory error.  If you can run something like valgrind (which is freely available for Linux systems) on your code, you might see the problem quickly.

Mike


On 5/19/10 5:25 PM, "Natarajan CS" <csnataraj at gmail.com> wrote:

Sorry about the repost, made a quality goof up while typing, so resending the code snippet. The matrix also looks correct when I o/p it, so not sure where exactly I am messing things up!

for eg for 2*2*2 grid points :

   Processor    Row Index    Col Index           Value
       0             0             1                      -1
       0             0             2                      -1
       0             0             4                      -1
       0             0             0                       6
       0             1             0                      -1
       0             1             3                      -1
       0             1             5                      -1
       0             1             1                       6
       0             2             3                      -1
       0             2             0                      -1
       0             2             6                      -1
       0             2             2                       6
       0             3             2                      -1
       0             3             1                      -1
       0             3             7                      -1
       0             3             3                       6
       1             4             5                      -1
       1             4             2                      -1
       1             4             6                      -1
       1             4             0                      -1
       1             4             4                       6
       1             5             4                      -1
       1             5             3                      -1
       1             5             7                      -1
       1             5             1                      -1
       1             5             5                       6
       1             6             7                      -1
       1             6             4                      -1
       1             6             8                      -1
       1             6             2                      -1
       1             6             6                       6
       1             7             6                      -1
       1             7             5                      -1
       1             7             9                      -1
       1             7             3                      -1
       1             7             7                       6

.
On Wed, May 19, 2010 at 1:54 PM, Natarajan CS <csnataraj at gmail.com> wrote:
Hello All,
       I came across the following error (attached) when trying to create a laplacian stencil for 3D. I appreciate any help in figuring out if this is an algorithmic issue or a trilinos issue. The code crashes during FillComplete. I am only sending the relevant functions, however, if someone would like to reproduce the issue, I will be happy to send them the code. I couldn't find anything similar in the archives, so apologies if a similar question has been answered before. I have attached the portions of the code that give the bug below and the back trace, if any, from gdb. I am using the intel compiler with vendor blas and lapack.

Cheers and thanks in advance,

C.S.N
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