better printing of scan profiling.

theano/scan.py

@@ -1979,7 +1979,7 @@ def profile_printer(fct_name, compile_time, fct_call_time, fct_call,
     if any([isinstance(node.op, (Scan, ScanGrad)) for (_,node) in apply_time.keys()]):
         print
         print 'Scan overhead:'
-        print '<Scan op time(s)> <sub scan fct time(s)> <sub scan op time(s)> <sub scan fct time(% scan op time)> <sub scan op time(% scan op time)> <node>'
+        print '<Scan op time(s)> <sub scan fct time(s)> <sub scan op time(s)> <sub scan fct time/scan op time(%)> <sub scan op time/scan op time(%)> <node>'
         total_super_scan_time = 0
         total_scan_fct_time = 0
         total_scan_op_time = 0
@@ -1990,8 +1990,8 @@ def profile_printer(fct_name, compile_time, fct_call_time, fct_call,
                 total_super_scan_time += v
                 total_scan_fct_time += scan_fct_time
                 total_scan_op_time += scan_op_time
-                print '    %5.1fs  %5.1fs  %5.1fs  %5.1f%%  %5.1f%%'%(
+                print '    %5.1es  %5.1es  %5.1es  %5.1f%%  %5.1f%%'%(
                     v, scan_fct_time, scan_op_time, scan_fct_time/v*100,
                     scan_op_time/v*100), node
-        print '    total %5.1fs  %5.1fs  %5.1fs  %5.1f%%  %5.1f%%'%(
+        print '    total %5.1es  %5.1es  %5.1es  %5.1f%%  %5.1f%%'%(
             total_super_scan_time, total_scan_fct_time, total_scan_op_time, total_scan_fct_time/total_super_scan_time*100, total_scan_op_time/total_super_scan_time*100)