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= Experiments =

We recommend using the {{{downward}}} package for running Fast Downward experiments. It is part of {{{lab}}}, a python library for running code on large benchmark sets. Experiments can be run either locally or on a computer cluster. You can find the code at https://bitbucket.org/jendrikseipp/lab. The documentation is available at http://lab.rtfd.org.

== Experiments on Maia (AI-Basel grid) ==

Please follow the instructions in the [[https://lab.readthedocs.io/en/latest/downward.tutorial.html|downward tutorial]] to install the necessary components.

The components need some environment variables and program modules. Here is an example ''~/.profile'' file (from May 2016):

{{{#!highlight bash
export PATH=${PATH}:${HOME}/bin # You can put the "validate" executable here
export PYTHONPATH="~/lib/python/lab:~/lib/cplex/CPLEX_Studio/cplex/python/x86-64_sles10_4.1/"

export DOWNWARD_CPLEX_INCDIR=~/lib/cplex/cplex/include/ilcplex
export DOWNWARD_CPLEX_LIBDIR=~/lib/cplex/cplex/lib/x86_sles10_4.1/static_pic
export DOWNWARD_CPLEX_ROOT=~/lib/cplex/cplex
export DOWNWARD_COIN_ROOT=~/lib/coin

module purge
module -q load Mercurial/2.5.2-goolf-1.4.10-Python-2.7.5 # Also loads Python 2.7
module -q load Clang/3.3-GCC-4.8.2 # Also loads GCC 4.8
module -q load CMake/2.8.11-GCC-4.8.2
}}}