[petsc-users] Fwd: Building the same petsc matrix with different numprocs gives different results!

[Jed Brown]

Analabha Roy <hariseldon99 at gmail.com> writes:
> Sorry. Modified accordingly and here is new
> output<http://pastebin.ca/2457857>(I manually reordered the output of
> the 2 procs case since the order in
> which it was printed was haphazard)

There is no automatic ordering of output among processes.  You can use
PetscSynchronizedPrintf and PetscSynchronizedFlush if you want collated
output.

> All the elements do not match.

Sounds like you are inserting different values when you run in parallel.
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