Merge pull request #178 from automl/maint/speedupincativehpimputation

Maint/speedupincativehpimputation

changelog.md

@@ -1,3 +1,11 @@
+# 0.3
+
+* Major speed improvements when sampling new configurations:
+    * Improved conditional hyperparameter imputation (PR #176)
+    * Faster generation of the one exchange neighborhood (PR #174)
+* FIX #171 potential bug with pSMAC
+* FIX #175 backwards compability for reading runhistory files
+
 # 0.2.4
 
 * CI only check code quality for python3

smac/__version__.py

@@ -1,4 +1,4 @@
 """Version information."""
 
 # The following line *must* be the last in the module, exactly as formatted:
-__version__ = "0.2.4"
+__version__ = "0.3.0"

smac/epm/rf_with_instances.py

@@ -108,10 +108,8 @@ def train(self, X, y, **kwargs):
         """
 
         self.X = X
-        self.y = y
-
-        y = y.flatten()
-        data = pyrfr.regression.numpy_data_container(self.X, y, self.types)
+        self.y = y.flatten()
+        data = pyrfr.regression.numpy_data_container(self.X, self.y, self.types)
 
         self.rf.fit(data)
         return self

smac/smbo/local_search.py

@@ -71,8 +71,7 @@ def maximize(self, start_point, *args):
         """
         incumbent = start_point
         # Compute the acquisition value of the incumbent
-        incumbent_array = incumbent.get_array()
-        incumbent_array[~np.isfinite(incumbent_array)] = -1
+        incumbent_array = convert_configurations_to_array([incumbent])
         acq_val_incumbent = self.acquisition_function(incumbent_array, *args)
 
         local_search_steps = 0