[petsc-users] Problem compiling with 64bit PETSc

[TAY wee-beng]

On 31/8/2018 10:38 AM, Smith, Barry F. wrote:
>    PetscReal is by default real(8) you can leave those alone
>
>     Any integer you pass to a PETSc routine needs to be declared as PetscInt (not integer) otherwise the 64 bit indices stuff won't work.
>
>     Barry
>
Hi,

ok, I got it. Btw, is it advisable to change all integer in my code to 
PetscInt?

Will it cause any conflict or waste a lot of memory?

Or should I only change those related to PETSc?

Thanks!
>> On Aug 30, 2018, at 9:35 PM, TAY wee-beng <zonexo at gmail.com> wrote:
>>
>>
>> On 31/8/2018 10:21 AM, Matthew Knepley wrote:
>>> On Thu, Aug 30, 2018 at 10:17 PM TAY wee-beng <zonexo at gmail.com> wrote:
>>> Hi,
>>>
>>> Due to my increase grid size, I have to go 64bit. I compiled the 64bit
>>> PETSc w/o error. However, when I tried to compile my code using the
>>> 64bit PETSc, I got the error below. May I know why is this so?
>>>
>>> What changes should I make?
>>>
>>> Is it possible that you did not declare some inputs as PetscInt, so the interface check is failing?
>>>
>>>     Matt
>> Hi,
>>
>> I'm using the standard
>>
>> integer ::
>>
>> real(8) ::
>>
>> for some variables. For some others relating to PETSc, I use PetscInt.
>>
>> Should I change all to PetscInt and PetscReal?
>>
>> Currently, I use real(8) for all real values. If I change all to PetscReal, will PetscReal be real or real(8) by default?
>>
>> Thanks!
>>>   
>>>
>>> [tsltaywb at nus02 ibm3d_IIB_mpi]$ make -f makefile_2018
>>> /app/intel/xe2018/compilers_and_libraries_2018.0.128/linux/mpi/intel64/bin/mpif90
>>> -g -ip -ipo -O3 -c -fPIC  -save kinefunc.F90
>>> /app/intel/xe2018/compilers_and_libraries_2018.0.128/linux/mpi/intel64/bin/mpif90
>>> -g -ip -ipo -O3 -c -fPIC  -save  -w
>>> -I/home/users/nus/tsltaywb/propeller/lib/petsc-3.9.3_intel_2018_64bit_rel/include
>>> -I/app/intel/xe2018/compilers_and_libraries_2018.0.128/linux/mpi/intel64/include
>>> global.F90
>>> global.F90(979): error #6285: There is no matching specific subroutine
>>> for this generic subroutine call.   [DMDACREATE3D]
>>> call
>>> DMDACreate3d(MPI_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_STAR,size_x,size_y,&
>>> -----^
>>> global.F90(989): error #6285: There is no matching specific subroutine
>>> for this generic subroutine call.   [DMDACREATE3D]
>>>       call
>>> DMDACreate3d(MPI_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_STAR,size_x,size_y,&
>>> ---------^
>>> global.F90(997): error #6285: There is no matching specific subroutine
>>> for this generic subroutine call.   [DMDACREATE3D]
>>>       call
>>> DMDACreate3d(MPI_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_STAR,size_x,size_y,&
>>> ---------^
>>> global.F90(1005): error #6285: There is no matching specific subroutine
>>> for this generic subroutine call.   [DMDACREATE3D]
>>>       call
>>> DMDACreate3d(MPI_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_STAR,size_x,size_y,&
>>> ---------^
>>> global.F90(1013): error #6285: There is no matching specific subroutine
>>> for this generic subroutine call.   [DMDACREATE3D]
>>>       call
>>> DMDACreate3d(MPI_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_STAR,size_x,size_y,&
>>> ---------^
>>> global.F90(1021): error #6285: There is no matching specific subroutine
>>> for this generic subroutine call.   [DMDACREATE3D]
>>>       call
>>> DMDACreate3d(MPI_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_STAR,size_x,size_y,&
>>> ---------^
>>> global.F90(1029): error #6285: There is no matching specific subroutine
>>> for this generic subroutine call.   [DMDACREATE3D]
>>>       call
>>> DMDACreate3d(MPI_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_STAR,size_x,size_y,&
>>> ---------^
>>> compilation aborted for global.F90 (code 1)
>>>
>>> -- 
>>> 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
>>> ================================================
>>>
>>>
>>>
>>> -- 
>>> What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
>>> -- Norbert Wiener
>>>
>>> https://www.cse.buffalo.edu/~knepley/