sort profiler outputs.

theano/gof/opt.py

@@ -629,7 +629,10 @@ class MergeOptimizer(Optimizer):
         print >> stream, blanc, "  replace_time", replace_time
         print >> stream, blanc, "  validate_time", validate_time
         print >> stream, blanc, "  callback_time", callback_time
-        print >> stream, blanc, "  callback_times", callbacks_time
+        print >> stream, blanc, "  callbacks_time"
+        for i in sorted(callbacks_time.iteritems(), key=lambda a: a[1]):
+            if i[1] > 0:
+                print i
         print >> stream, blanc, "  nb_merged", nb_merged
         print >> stream, blanc, "  nb_constant", nb_constant
 

theano/tensor/opt.py

@@ -4844,7 +4844,10 @@ class FusionOptimizer(Optimizer):
         print >> stream, blanc, " nb_inconsistency_replace", prof[3]
         print >> stream, blanc, " validate_time", prof[4]
         print >> stream, blanc, " callback_time", prof[5]
-        print >> stream, blanc, " callbacks_time", prof[6]
+        print >> stream, blanc, " callbacks_time"
+        for i in sorted(prof[6].iteritems(), key=lambda a: a[1]):
+            if i[1] > 0:
+                print i
         print >> stream, blanc, " time_toposort", prof[7]