[petsc-users] Unable to read in values thru namelist in Fortran after using PETSc 64bit in linux

[TAY wee-beng]

Hi,

I managed to find the error appearing after using PETSc 64bit in linux -

call MPI_COMM_SIZE(MPI_COMM_WORLD, num_procs, ierr)

I have assigned num_procs as PetscInt and I got 0 instead of 1 (for 1 procs)

Assigning num_procs as integer as the problem.

Is this supposed to be the case? Or is it a bug?

Thank you very much.

Yours sincerely,

================================================
TAY Wee-Beng (Zheng Weiming) 郑伟明
Personal research webpage: http://tayweebeng.wixsite.com/website
Youtube research showcase: https://www.youtube.com/channel/UC72ZHtvQNMpNs2uRTSToiLA
linkedin: www.linkedin.com/in/tay-weebeng
================================================

On 8/9/2018 1:14 AM, Smith, Barry F. wrote:
>        You can try valgrind http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind
>
>    Barry
>
>
>> On Sep 7, 2018, at 1:44 AM, TAY wee-beng <zonexo at gmail.com> wrote:
>>
>> Hi,
>>
>> I found that I am unable to read in values thru namelist in Fortran after using PETSc 64bit in linux.
>>
>> I have a parameter txt file which is read in using namelist in Fortran：
>>
>> namelist /body_input/ no_body, convex_body, motion_type, hover, wing_config  ...
>>
>> open (unit = 44 , FILE = "ibm3d_input.txt" , status = "old", iostat = openstatus(4))
>>
>>          if (openstatus(4) > 0) then
>>
>>              print *, "ibm3d_input file not present or wrong filename."
>>
>>              stop
>>
>>          end if
>>
>>          read (44,nml = solver_input)
>>
>>          read (44,nml = grid_input)
>>
>>          read (44,nml = body_input)...
>>
>>
>> After using PETSc 64bit, my code aborts and I realise that it is because the values have became NaN. Strangely, it does not occur in windows with VS2008.
>>
>> I wonder if it's a bug with the Intel Fortran compiler 2018.
>>
>> Anyone has similar experience?
>>
>> -- 
>> Thank you very much.
>>
>> Yours sincerely,
>>
>> ================================================
>> TAY Wee-Beng (Zheng Weiming) 郑伟明
>> Personal research webpage: http://tayweebeng.wixsite.com/website
>> Youtube research showcase: https://www.youtube.com/channel/UC72ZHtvQNMpNs2uRTSToiLA
>> linkedin: www.linkedin.com/in/tay-weebeng
>> ================================================
>>