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.. _seaborg:
=================
seaborg.nersc.gov
=================
Here you find information about the the system
`<http://www.nersc.gov/nusers/systems/SP/>`_.
We need to use the mpi-enabled compiler ``mpcc`` and we should link to
LAPACK before ESSL. Make sure LAPACK is added::
$ module add lapack
and use this customize.py::
from os import environ
mpicompiler = 'mpcc'
libraries = ['f']
extra_link_args += [environ['LAPACK'], '-lessl']
The Numeric Python extension is not installed on NERSC, so we should
install it. Get the Numeric-24.2 and do this::
$ wget http://downloads.sourceforge.net/numpy/Numeric-24.2.tar.gz
$ gunzip -c Numeric-24.2.tar.gz | tar xf -
$ cd Numeric-24.2
$ python setup.py install --home=$HOME
and put the :file:`$HOME/lib/python/Numeric` directory in your
:envvar:`PYTHONPATH`.
Now we are ready to :ref:`compile GPAW <installation>`
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