On Mar 10, 2011, at 8:54 PM, Satish Balay wrote:
> On Thu, 10 Mar 2011, Barry Smith wrote:
>
>>
>> On Mar 10, 2011, at 4:46 PM, fabien delalondre wrote:
>>
>>> Hi,
>>>
>>> Which argument should I pass to pass to compile petsc on hopper II with
>>> superlu_dist, hypre and mumps (download) ? Without external package
>>> --with-mpi=0 works fine but then the external packages complain about it
>>> (no mpi specified). I tried to use and also modify the arch-cray-xt5-opt.py
>>> configure file but I did not go through it yet (Invalid mpiexec specified:
>>> /usr/common/acts/PETSc/3.0.0/bin/mpiexec.aprun). Instead of wasting time, I
>>> guess you guys will provide an answer pretty quickly.
>>
>> Satish,
>>
>> Why does --with-mpiexec have to be set on hopper? And why to this crazy
>> location that may not always exist? Requiring the user to set this beast to
>> some strange thing at configure time is not reasonable. We need a model that
>> doesn't require strange knowledge like this.
>>
>
> The explanation for the strange thing in arch-cray-xt5-opt.py is: I
> started off with a reconfigure.py file from a prior install by nersc
> folks - so had some of this stuff in from there. [mpiexec.aprun is a
> derivative of one of the scripts we have in PETSC_DIR/bin/mpiexec.*]
>
> Looks like --with-mpiexec=/bin/false would also work on this machine.
>
> currently mpiexec is checked by configure primarily for for 'make
> test' stuff and 'check-mpi-shared' test.
>
> We now have --with-batch=1 that generally works for machines where
> things can't be run directly. Here - on cray - configure seem to work
> directly - without batch - and without mpiexec.
>
> Perhaps we can have configure - not abort if 'mpiexec' not found?
Sounds good. Have it not abort. perhaps a warning message? perhaps not no
warning message needed.
Barry
>
> Satish
>
> -----
> diff -r 88e278a08859 config/packages/MPI.py
> --- a/config/packages/MPI.py Sat Mar 05 14:24:18 2011 -0600
> +++ b/config/packages/MPI.py Thu Mar 10 20:30:24 2011 -0600
> @@ -155,7 +155,7 @@
> self.mpiexec = 'Not_appropriate_for_batch_systems'
> self.addMakeMacro('MPIEXEC',self.mpiexec)
> return
> - mpiexecs = ['mpiexec -n 1', 'mpirun -n 1', 'mprun -n 1', 'mpiexec',
> 'mpirun', 'mprun']
> + mpiexecs = ['mpiexec -n 1', 'mpirun -n 1', 'mprun -n 1', 'mpiexec',
> 'mpirun', 'mprun', '/bin/false']
> path = []
> if 'with-mpi-dir' in self.framework.argDB:
>
> path.append(os.path.join(os.path.abspath(self.framework.argDB['with-mpi-dir']),
> 'bin'))
