mailr10832 - /branches/multi_processor_merge/specific_fns/model_free/mf_minimise.py


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Posted by edward on February 23, 2010 - 00:33:
Author: bugman
Date: Tue Feb 23 00:33:31 2010
New Revision: 10832

URL: http://svn.gna.org/viewcvs/relax?rev=10832&view=rev
Log:
Modified _disassemble_result() to be parallelisation friendly.

Optimisation results are only stored if the chi2 value is lower!


Modified:
    branches/multi_processor_merge/specific_fns/model_free/mf_minimise.py

Modified: 
branches/multi_processor_merge/specific_fns/model_free/mf_minimise.py
URL: 
http://svn.gna.org/viewcvs/relax/branches/multi_processor_merge/specific_fns/model_free/mf_minimise.py?rev=10832&r1=10831&r2=10832&view=diff
==============================================================================
--- branches/multi_processor_merge/specific_fns/model_free/mf_minimise.py 
(original)
+++ branches/multi_processor_merge/specific_fns/model_free/mf_minimise.py Tue 
Feb 23 00:33:31 2010
@@ -336,6 +336,25 @@
         # Scaling.
         if scaling:
             param_vector = dot(scaling_matrix, param_vector)
+
+        # Check if the chi-squared value is lower.  This allows for a 
parallelised grid search!
+        if sim_index == None:
+            # Get the correct value.
+            if model_type == 'mf' or model_type == 'local_tm':
+                chi2 = spin.chi2
+            elif model_type == 'diff' or model_type == 'all':
+                chi2 = cdp.chi2
+
+            # No improvement.
+            if chi2 != None and func >= chi2:
+                print("Discarding the optimisation results, the optimised 
chi-squared value is higher than the current value (%s >= %s)." % (func, 
chi2))
+
+                # Exit!
+                return
+
+            # New minimum.
+            else:
+                print("Storing the optimisation results, the optimised 
chi-squared value is lower than the current value (%s < %s)." % (func, chi2))
 
         # Disassemble the parameter vector.
         self._disassemble_param_vector(model_type, 
param_vector=param_vector, spin=spin, sim_index=sim_index)




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