Hello Sir/Madam,

We tried to run the tutorial steps following site.

*https://www.mcs.anl.gov/petsc/documentation/tutorials/HandsOnExercise.html*

 * Compile src/ksp/ksp/examples/tutorial/ex11.c

      cd /petsc-3.7.7/src/ksp/ksp/examples/tutorial/ex11.c
      make ex11
 * Run simple advection through a tiny hybrid mesh
 *

   We are new to the petsc and  when we ran the ex11 input we got a
   screen output like one below

       ~/petsc-3.7.7/openmpi-gnu-O3/bin/mpiexec  -n 1 ./ex11 -f 
${PETSC_DIR}/share/petsc/datafiles/meshes/sevenside.exo

      $ Norm of error 0.00133762 iterations 26

 * When we increase the number of core the result did not change.

        $ ~/petsc-3.7.7/openmpi-gnu-O3/bin/mpiexec  -n 4 ./ex11 -f 
${PETSC_DIR}/share/petsc/datafiles/meshes/sevenside.exo
        $ Norm of error 0.00133762 iterations 26

*    But the expected value is :*

  0  time        0  |x|    7.155
  1  time   0.7211  |x|    4.386
  2  time    1.442  |x|    1.968
  3  time    2.163  |x|    1.925
CONVERGED_TIME at time 2.16333 after 3 steps

**

Moreover, we got the similar output in the other examples and did not see any running time .

Could you please help in this issue ?

Kind Regards.
--
*Gürcan Serttaş*
System Engineer
E-mail: [email protected]
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