Re: OpenMPI, PETSc and petsc4py in a Mac Intel

["Matthew Knepley" <knepley@xxxxxxxxx>]

Thanks for your thorough directions. I have incorporated them into the
installation page
for dev, which will become public on the upcoming release.

  Matt

On 9/10/07, Felipe Cruz <refac@xxxxxxxxxxxxx> wrote:
> Hi all,
>
> During the past weeks I was trying to install the Python bindings for
> PETSc (petsc4py) for
> Mac Intel (a black Macbook and an Aluminium iMac, both with OS X
> 10.4.10)
>
> I succeeded and "how I did it"  might be helpful for some others
> Python-PETSc-Mac-Users.
>
> Before to start the installation you'll need to have installed:
>
> * XcodeTools:
>
> It is IMPORTANT to get the latest version directly from Apple's
> website (http://connect.apple.com), the version
> that comes with the installation CD have some issues (or not so nice
> "features".) I recommend to upgrade
> your XcodeTools before trying to install anything.
>
> * Python 2.5, Numpy, Scipy (optional - scientific lib) and Matplotlib
> (optional -matlab style graphics):
>
> I followed the installation of this packages from: http://
> www.scipy.org/Download
> I installed MacPython2.5 and the SuperPack. For some reason
> Matplotlib didn't work after the installation
> of the superpack, so I manually installed it again from: http://
> matplotlib.sourceforge.net/
>
>
> INSTALLATION
>
> I'll describe the whole installation of OpenMPI, PETSc and petsc4py.
>
> OpenMpi
> -------------
>
> Download OpenMPI source from:
> http://www.open-mpi.org/software/ompi/v1.2/
>
> Decompress the downloaded tar.gz file and from a terminal "cd" into
> the openMpi folder.
> '$' indicates a terminal command, e.g;
> $ tar -xzvf openmpi-1.2.3.tar.gz
> $ cd openmpi-1.2.3
>
> Now you can compile openmpi
> $ ./configure --prefix=/usr/local/openmpi --with-fortran --enable-
> shared --disable-static --with-xgrid
> $ sudo make
> $ sudo make install
>
> Add the next line at the END of /etc/profile, so the path will be
> available for all the users:
> export PATH=$PATH:/usr/local/openmpi/bin
>
>
>
> PETSc
> -------------
>
> First you need to make sure that OpenMPI is properly installed! check
> that
> mpicc and mpif77 are in your $PATH before running the PETSc
> configure.py!
> (if you added the export PATH to /etc/profile you can close your
> terminal and
> open a new terminal, the PATH should be working now, otherwise, you
> can just type
> in your terminal:
> export PATH=$PATH:/usr/local/openmpi/bin
>
>
> I installed PETSc on /opt/petsc
> $ sudo mkdir /opt
> $ sudo mkdir /opt/petsc
>
> Set permissions for user and group.
> $ sudo chown user:group /opt/petsc
> In my case I added the user 'felipe' and the group 'admin' (sudo
> chown felipe:admin /opt/petsc)
>
> Download PETSc from:
> http://www-unix.mcs.anl.gov/petsc/petsc-as/download/index.html
> Save the downloaded tar.gz on /opt/petsc
>
> Decompress the file
> $ cd /opt/petsc
> $ tar -xzvf petsc-2.3.3-p5.tar.gz
>
> I installed petscy for shared libraries and without X, beside this
> everything is normal:
> $ cd petsc-2.3.3-p5
> $ export PETSC_ARCH=darwin8.10.1-c-debug
> $ export PETSC_DIR=/opt/petsc/petsc-2.3.3-p5
> $ ./config/configure.py --with-mpi-dir=/usr/local/openmpi --with-
> shared=1 --with-x=0
> $ make all test
>
> At the end of /etc/profile add (so it will be available for all the
> users):
> # variables for petsc
> export PETSC_ARCH=darwin8.10.1-c-debug
> export PETSC_DIR=/opt/petsc/petsc-2.3.3-p5
>
>
>
> petsc4py
> -------------
> Open a new terminal so the variables PETSC_ARCH and PETSC_DIR will be
> available.
>
> I installed petsc4py in /opt/petsc/petsc4py
>
> In a terminal
> $ cd /opt/petsc/petsc4py
>
> Get a copy of petsc4py from: http://code.google.com/p/petsc4py/
> and save it at /opt/petsc/petsc4py
>
> $ tar -xvf petsc4py-0.7.5.tar
> $ cd petsc4py-0.7.5
> $ python setup.py install --home=/opt/petsc/petsc4py
>
> # Add at the end of /etc/profile (it will be available for all the
> users)
> export PYTHONPATH=/opt/petsc/petsc4py/lib/python/
>
> Now is possible to open a new terminal and test petsc4py:
> $python
>  >>> from petsc4py import PETSc
>  >>> A = PETSc.Mat()
>  >>> A
>  >>> A.createSeqAIJ(1000)
>
>
>
>
> Hope that this info is helpful! I tested the installation in my
> MacBook (Dual-core), in an aluminium iMac (Dual-core),
> and I hope to test the installation on a Mac pro (with two quad-core)
> some time this week!
>
> I'm quite new to the list so I'm sorry if you have already discussed
> this topic.
>
>
> Best regards,
>
> Felipe Cruz
>
>
>
>


-- 
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