def __init__(self, scenario_dir, num_trees=30, split_min=1, seed=42,
fanova_lib_folder=None,
fanova_class_folder=None):
"""
fanova_class_folder: used for development purposes only.
"""
self._remote = FanovaRemote()
if fanova_lib_folder is None:
self._fanova_lib_folder = resource_filename("pyfanova", 'fanova')
else:
self._fanova_lib_folder = fanova_lib_folder
self._fanova_class_folder = fanova_class_folder
self._num_trees = num_trees
self._split_min = split_min
self._seed = seed
self._scenario_dir = scenario_dir
self._start_fanova()
logging.debug("Now connecting to fanova...")
if self._start_connection():
self._config_space = ConfigSpace(self._remote)
param_names = self._config_space.get_parameter_names()
self.param_name2dmin = dict(zip(param_names, range(len(param_names))))
else:
stdout, stderr = self._process.communicate()
error_msg = "failed starting fanova "
if stdout is not None:
error_msg += stdout
if stderr is not None:
error_msg += stderr
raise RuntimeError(error_msg)
def __init__(self,
smac_output,
num_trees=30,
split_min=5,
seed=42,
improvement_over="NOTHING",
quantile_to_compare=0.25,
heap_size=1024,
fanova_lib_folder=None,
fanova_class_folder=None):
"""
Starts the Fanova from the scenario directory and opens a TCP connection to communicate with Java
Arguments:
smac_output (str): Path to the state_run directory created by SMAC
num_trees (int): Number of trees to create the Random Forest
split_min (int): Minimum number of points to create a new split in the Random Forest
heap_size (int): Head size in MB for Java
improvement_over [DEFAULT, QUANTILE, NOTHING]: Compute improvements with respect to (this setting)
quantile_to_compare (float): Quantile to compare to (if using QUANTILE --improvements-over)
"""
self._remote = FanovaRemote()
self.check_output_dir(smac_output)
if fanova_lib_folder is None:
self._fanova_lib_folder = resource_filename("pyfanova", 'fanova')
else:
self._fanova_lib_folder = fanova_lib_folder
self._fanova_class_folder = fanova_class_folder
self._num_trees = num_trees
self._split_min = split_min
self._seed = seed
self._smac_output = smac_output
self._heap_size = "-Xmx" + str(heap_size) + "m"
self._improvement_over = improvement_over
self._quantile_to_compare = quantile_to_compare
self._start_fanova()
logging.debug("Now connecting to fanova...")
if self._start_connection():
self._config_space = ConfigSpace(self._remote)
param_names = self._config_space.get_parameter_names()
self.param_name2dmin = dict(
list(zip(param_names, list(range(len(param_names))))))
else:
stdout, stderr = self._process.communicate()
error_msg = "Failed starting fanova. Did you start it from a SMAC state-run directory?"
if stdout is not None:
error_msg += stdout
if stderr is not None:
error_msg += stderr
raise RuntimeError(error_msg)
