create func for global stats

theano/compile/function_module.py

@@ -941,6 +941,7 @@ class Function(object):
         if profile:
             profile.fct_callcount += 1
             profile.fct_call_time += dt_call
+            profile.total_fct_exec_time += dt_call
             if hasattr(self.fn, 'update_profile'):
                 self.fn.update_profile(profile)
             if profile.ignore_first_call:
@@ -1468,6 +1469,7 @@ class FunctionMaker(object):
                 opt_time = end_optimizer - start_optimizer
                 if profile:
                     profile.optimizer_time += opt_time
+                    profile.total_graph_opt_time += opt_time
                     if theano.config.profile_optimizer:
                         profile.optimizer_profile = (optimizer,
                                                      optimizer_profile)
@@ -1658,6 +1660,7 @@ class FunctionMaker(object):
         _logger.debug('Linker took %f seconds', linker_time)
         if self.profile:
             self.profile.linker_time += linker_time
+            self.profile.total_time_linker += linker_time
             _fn.time_thunks = self.profile.flag_time_thunks
             import_time = theano.gof.cmodule.import_time - start_import_time
             self.profile.import_time += import_time

theano/compile/profiling.py

@@ -36,6 +36,9 @@ from theano.gof import graph
 logger = logging.getLogger('theano.compile.profiling')
 
 theano_imported_time = time.time()
+total_fct_exec_time = 0.
+total_graph_opt_time = 0.
+total_time_linker = 0.
 config = theano.config
 
 _atexit_print_list = []
@@ -109,6 +112,34 @@ def _atexit_print_fn():
                     n_apply_to_print=config.profiling.n_apply)
 
 
+def print_global_stats():
+    """
+    Print the following stats:
+      -- Time elapsed since Theano was imported
+      -- Time spent inside Theano functions
+      -- Time spent in compiling Theano functions
+           -- on graph optimization
+           -- on linker
+    """
+
+    if config.profiling.destination == 'stderr':
+        destination_file = sys.stderr
+    elif config.profiling.destination == 'stdout':
+        destination_file = sys.stdout
+    else:
+        destination_file = open(config.profiling.destination, 'w')
+
+    print('Time elasped since Theano import = %6.2fs, '
+          'Time spent in Theano functions = %6.2fs, '
+          'Time spent compiling Theano functions: '
+          ' optimzation = %6.2s, linker = %6.2s ' %
+          (theano_imported_time,
+           total_fct_exec_time,
+           total_graph_opt_time,
+           total_time_linker),
+          file=file)
+
+
 class ProfileStats(object):
 
     """