mpiexec

[Yixun Liu]

I recompile PETSc using the following commands,

petsc-3.0.0-p0>setenv PETSC_DIR $PWD
>./config/configure.py

=================================================================================
Configuring PETSc to compile on your system
=================================================================================
/home/scratch/yixun/petsc-3.0.0-p3/config/BuildSystem/config/compilers.py:7:
DeprecationWarning: the sets module is deprecated
import sets
/home/scratch/yixun/petsc-3.0.0-p3/config/PETSc/package.py:7:
DeprecationWarning: the md5 module is deprecated; use hashlib instead
import md5
/home/scratch/yixun/petsc-3.0.0-p3/config/BuildSystem/script.py:101:
DeprecationWarning: The popen2 module is deprecated. Use the subprocess
module.
import popen2
TESTING: checkCCompiler from
config.setCompilers(config/BuildSystem/config/setCompilers.py:394)
*********************************************************************************
UNABLE to EXECUTE BINARIES for config/configure.py
---------------------------------------------------------------------------------------
Cannot run executables created with C. It is likely that you will need
to configure using --with-batch which allows configuration without
interactive sessions.
*********************************************************************************


Satish Balay wrote:
> Also make sure 'mpiexec' you are using corresponds to the MPI petsc is built with.
>
> Satish
>
>
> On Thu, 25 Jun 2009, Barry Smith wrote:
>
>   
>>  Did you recompile the MPI libraries? Did you re configure and compile ALL of
>> PETSc after the change? You will need to do all this.
>>
>>   Barry
>>
>> On Jun 25, 2009, at 1:30 PM, Yixun Liu wrote:
>>
>>     
>>> Hi,
>>> My PETSc based application can work correctly, but after system updating
>>> when I use the same commands:
>>>       
>>>> lamboot
>>>> mpiexec -np 4 application
>>>>         
>>> It seems only one processor works. Then I  test it using the following code,
>>>
>>> **********
>>> PetscErrorCode ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
>>>
>>> COUT << "This is processor : " << rank << ENDL;
>>>
>>> Use command: mpiexec -np 4 application,
>>> The output is:
>>> This is processor : 0
>>> This is processor : 0
>>> This is processor : 0
>>> This is processor : 0
>>> *********
>>>
>>> Thanks for your help.
>>>
>>> Yixun
>>>
>>>
>>>       
>
>